./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 332bcce48a0139e2df6284710a9b0ccad22d833566bbd5ef3ad1522424ad9314 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 09:54:35,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 09:54:35,733 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 09:54:35,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 09:54:35,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 09:54:35,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 09:54:35,764 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 09:54:35,764 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 09:54:35,765 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 09:54:35,767 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 09:54:35,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 09:54:35,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 09:54:35,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 09:54:35,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 09:54:35,769 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 09:54:35,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 09:54:35,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 09:54:35,769 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 09:54:35,769 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 09:54:35,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 09:54:35,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 09:54:35,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 09:54:35,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 09:54:35,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 09:54:35,775 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 09:54:35,775 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 09:54:35,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 09:54:35,775 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 09:54:35,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 09:54:35,776 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 09:54:35,776 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 09:54:35,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 09:54:35,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 09:54:35,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 09:54:35,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 09:54:35,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 09:54:35,777 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 09:54:35,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 09:54:35,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 09:54:35,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 09:54:35,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 09:54:35,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 09:54:35,782 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 332bcce48a0139e2df6284710a9b0ccad22d833566bbd5ef3ad1522424ad9314 [2024-11-22 09:54:36,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 09:54:36,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 09:54:36,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 09:54:36,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 09:54:36,037 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 09:54:36,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i [2024-11-22 09:54:37,314 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 09:54:37,538 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 09:54:37,539 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i [2024-11-22 09:54:37,552 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291092618/b64e77650bb741b9b1861b8f5155145c/FLAGa30c1e3ae [2024-11-22 09:54:37,571 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291092618/b64e77650bb741b9b1861b8f5155145c [2024-11-22 09:54:37,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 09:54:37,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 09:54:37,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 09:54:37,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 09:54:37,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 09:54:37,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:54:37" (1/1) ... [2024-11-22 09:54:37,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2419308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:37, skipping insertion in model container [2024-11-22 09:54:37,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:54:37" (1/1) ... [2024-11-22 09:54:37,616 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 09:54:37,784 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-22.i[917,930] [2024-11-22 09:54:37,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 09:54:37,842 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 09:54:37,852 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-22.i[917,930] [2024-11-22 09:54:37,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 09:54:37,889 INFO L204 MainTranslator]: Completed translation [2024-11-22 09:54:37,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:37 WrapperNode [2024-11-22 09:54:37,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 09:54:37,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 09:54:37,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 09:54:37,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 09:54:37,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:37" (1/1) ... [2024-11-22 09:54:37,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:37" (1/1) ... [2024-11-22 09:54:37,938 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-11-22 09:54:37,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 09:54:37,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 09:54:37,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 09:54:37,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 09:54:37,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:37" (1/1) ... [2024-11-22 09:54:37,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:37" (1/1) ... [2024-11-22 09:54:37,950 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:37" (1/1) ... [2024-11-22 09:54:37,962 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 09:54:37,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:37" (1/1) ... [2024-11-22 09:54:37,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:37" (1/1) ... [2024-11-22 09:54:37,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:37" (1/1) ... [2024-11-22 09:54:37,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:37" (1/1) ... [2024-11-22 09:54:37,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:37" (1/1) ... [2024-11-22 09:54:37,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:37" (1/1) ... [2024-11-22 09:54:37,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 09:54:37,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 09:54:37,989 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 09:54:37,989 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 09:54:37,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:37" (1/1) ... [2024-11-22 09:54:37,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 09:54:38,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 09:54:38,037 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) [2024-11-22 09:54:38,040 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 [2024-11-22 09:54:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 09:54:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 09:54:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 09:54:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 09:54:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 09:54:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 09:54:38,140 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 09:54:38,141 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 09:54:38,338 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-22 09:54:38,338 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 09:54:38,351 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 09:54:38,352 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 09:54:38,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:54:38 BoogieIcfgContainer [2024-11-22 09:54:38,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 09:54:38,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 09:54:38,354 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 09:54:38,356 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 09:54:38,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:54:37" (1/3) ... [2024-11-22 09:54:38,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c96a8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:54:38, skipping insertion in model container [2024-11-22 09:54:38,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:37" (2/3) ... [2024-11-22 09:54:38,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c96a8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:54:38, skipping insertion in model container [2024-11-22 09:54:38,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:54:38" (3/3) ... [2024-11-22 09:54:38,359 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-22.i [2024-11-22 09:54:38,372 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 09:54:38,372 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 09:54:38,417 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 09:54:38,423 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;@3eb3345c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 09:54:38,423 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 09:54:38,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 39 states have internal predecessors, (55), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 09:54:38,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-22 09:54:38,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 09:54:38,438 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 09:54:38,440 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 09:54:38,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 09:54:38,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1292848247, now seen corresponding path program 1 times [2024-11-22 09:54:38,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 09:54:38,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435144027] [2024-11-22 09:54:38,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 09:54:38,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 09:54:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 09:54:39,372 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 09:54:39,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 09:54:39,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435144027] [2024-11-22 09:54:39,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435144027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 09:54:39,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 09:54:39,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 09:54:39,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097488557] [2024-11-22 09:54:39,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 09:54:39,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 09:54:39,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 09:54:39,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 09:54:39,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 09:54:39,405 INFO L87 Difference]: Start difference. First operand has 50 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 39 states have internal predecessors, (55), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-22 09:54:39,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 09:54:39,706 INFO L93 Difference]: Finished difference Result 197 states and 330 transitions. [2024-11-22 09:54:39,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 09:54:39,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 67 [2024-11-22 09:54:39,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 09:54:39,717 INFO L225 Difference]: With dead ends: 197 [2024-11-22 09:54:39,717 INFO L226 Difference]: Without dead ends: 150 [2024-11-22 09:54:39,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-22 09:54:39,725 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 203 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 09:54:39,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 239 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 09:54:39,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-22 09:54:39,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 107. [2024-11-22 09:54:39,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 76 states have (on average 1.2894736842105263) internal successors, (98), 76 states have internal predecessors, (98), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-22 09:54:39,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 152 transitions. [2024-11-22 09:54:39,794 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 152 transitions. Word has length 67 [2024-11-22 09:54:39,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 09:54:39,798 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 152 transitions. [2024-11-22 09:54:39,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-22 09:54:39,799 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 152 transitions. [2024-11-22 09:54:39,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-22 09:54:39,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 09:54:39,801 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 09:54:39,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 09:54:39,801 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 09:54:39,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 09:54:39,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1227111687, now seen corresponding path program 1 times [2024-11-22 09:54:39,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 09:54:39,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169802936] [2024-11-22 09:54:39,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 09:54:39,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 09:54:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 09:54:40,088 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 09:54:40,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 09:54:40,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169802936] [2024-11-22 09:54:40,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169802936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 09:54:40,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 09:54:40,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 09:54:40,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615095475] [2024-11-22 09:54:40,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 09:54:40,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 09:54:40,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 09:54:40,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 09:54:40,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 09:54:40,094 INFO L87 Difference]: Start difference. First operand 107 states and 152 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-22 09:54:40,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 09:54:40,308 INFO L93 Difference]: Finished difference Result 230 states and 327 transitions. [2024-11-22 09:54:40,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 09:54:40,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 67 [2024-11-22 09:54:40,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 09:54:40,317 INFO L225 Difference]: With dead ends: 230 [2024-11-22 09:54:40,317 INFO L226 Difference]: Without dead ends: 148 [2024-11-22 09:54:40,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 09:54:40,319 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 97 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 09:54:40,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 140 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 09:54:40,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-22 09:54:40,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 117. [2024-11-22 09:54:40,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 86 states have (on average 1.302325581395349) internal successors, (112), 86 states have internal predecessors, (112), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-22 09:54:40,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 166 transitions. [2024-11-22 09:54:40,338 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 166 transitions. Word has length 67 [2024-11-22 09:54:40,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 09:54:40,338 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 166 transitions. [2024-11-22 09:54:40,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-22 09:54:40,339 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 166 transitions. [2024-11-22 09:54:40,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-22 09:54:40,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 09:54:40,340 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 09:54:40,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 09:54:40,341 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 09:54:40,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 09:54:40,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1291650166, now seen corresponding path program 1 times [2024-11-22 09:54:40,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 09:54:40,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638469057] [2024-11-22 09:54:40,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 09:54:40,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 09:54:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 09:54:40,595 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 09:54:40,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 09:54:40,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638469057] [2024-11-22 09:54:40,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638469057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 09:54:40,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 09:54:40,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 09:54:40,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945298731] [2024-11-22 09:54:40,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 09:54:40,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 09:54:40,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 09:54:40,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 09:54:40,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 09:54:40,599 INFO L87 Difference]: Start difference. First operand 117 states and 166 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-22 09:54:40,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 09:54:40,836 INFO L93 Difference]: Finished difference Result 236 states and 334 transitions. [2024-11-22 09:54:40,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 09:54:40,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 68 [2024-11-22 09:54:40,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 09:54:40,839 INFO L225 Difference]: With dead ends: 236 [2024-11-22 09:54:40,839 INFO L226 Difference]: Without dead ends: 148 [2024-11-22 09:54:40,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 09:54:40,840 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 75 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 09:54:40,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 157 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 09:54:40,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-22 09:54:40,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 118. [2024-11-22 09:54:40,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 87 states have (on average 1.2873563218390804) internal successors, (112), 87 states have internal predecessors, (112), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-22 09:54:40,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2024-11-22 09:54:40,865 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 68 [2024-11-22 09:54:40,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 09:54:40,866 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2024-11-22 09:54:40,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-22 09:54:40,867 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2024-11-22 09:54:40,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-22 09:54:40,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 09:54:40,869 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 09:54:40,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 09:54:40,869 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 09:54:40,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 09:54:40,871 INFO L85 PathProgramCache]: Analyzing trace with hash -71324776, now seen corresponding path program 1 times [2024-11-22 09:54:40,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 09:54:40,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726938716] [2024-11-22 09:54:40,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 09:54:40,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 09:54:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 09:54:41,501 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 09:54:41,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 09:54:41,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726938716] [2024-11-22 09:54:41,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726938716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 09:54:41,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 09:54:41,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 09:54:41,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997739366] [2024-11-22 09:54:41,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 09:54:41,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 09:54:41,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 09:54:41,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 09:54:41,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-22 09:54:41,507 INFO L87 Difference]: Start difference. First operand 118 states and 166 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 09:54:42,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 09:54:42,086 INFO L93 Difference]: Finished difference Result 351 states and 486 transitions. [2024-11-22 09:54:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 09:54:42,087 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 68 [2024-11-22 09:54:42,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 09:54:42,091 INFO L225 Difference]: With dead ends: 351 [2024-11-22 09:54:42,092 INFO L226 Difference]: Without dead ends: 309 [2024-11-22 09:54:42,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-11-22 09:54:42,095 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 188 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 09:54:42,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 287 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 09:54:42,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-22 09:54:42,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 236. [2024-11-22 09:54:42,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 182 states have (on average 1.3186813186813187) internal successors, (240), 183 states have internal predecessors, (240), 47 states have call successors, (47), 6 states have call predecessors, (47), 6 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-22 09:54:42,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 334 transitions. [2024-11-22 09:54:42,133 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 334 transitions. Word has length 68 [2024-11-22 09:54:42,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 09:54:42,133 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 334 transitions. [2024-11-22 09:54:42,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 09:54:42,134 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 334 transitions. [2024-11-22 09:54:42,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-22 09:54:42,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 09:54:42,135 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 09:54:42,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 09:54:42,135 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 09:54:42,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 09:54:42,136 INFO L85 PathProgramCache]: Analyzing trace with hash 629739802, now seen corresponding path program 1 times [2024-11-22 09:54:42,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 09:54:42,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085580363] [2024-11-22 09:54:42,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 09:54:42,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 09:54:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 09:54:42,184 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 09:54:42,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 09:54:42,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085580363] [2024-11-22 09:54:42,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085580363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 09:54:42,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 09:54:42,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 09:54:42,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121413664] [2024-11-22 09:54:42,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 09:54:42,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 09:54:42,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 09:54:42,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 09:54:42,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 09:54:42,187 INFO L87 Difference]: Start difference. First operand 236 states and 334 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-22 09:54:42,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 09:54:42,213 INFO L93 Difference]: Finished difference Result 417 states and 591 transitions. [2024-11-22 09:54:42,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 09:54:42,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 68 [2024-11-22 09:54:42,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 09:54:42,217 INFO L225 Difference]: With dead ends: 417 [2024-11-22 09:54:42,217 INFO L226 Difference]: Without dead ends: 222 [2024-11-22 09:54:42,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 09:54:42,219 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 13 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 09:54:42,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 116 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 09:54:42,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-22 09:54:42,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 156. [2024-11-22 09:54:42,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 122 states have (on average 1.2950819672131149) internal successors, (158), 123 states have internal predecessors, (158), 29 states have call successors, (29), 4 states have call predecessors, (29), 4 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-22 09:54:42,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 216 transitions. [2024-11-22 09:54:42,237 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 216 transitions. Word has length 68 [2024-11-22 09:54:42,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 09:54:42,237 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 216 transitions. [2024-11-22 09:54:42,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-22 09:54:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 216 transitions. [2024-11-22 09:54:42,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-22 09:54:42,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 09:54:42,239 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 09:54:42,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 09:54:42,239 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 09:54:42,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 09:54:42,240 INFO L85 PathProgramCache]: Analyzing trace with hash -2130020374, now seen corresponding path program 1 times [2024-11-22 09:54:42,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 09:54:42,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506480797] [2024-11-22 09:54:42,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 09:54:42,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 09:54:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 09:54:42,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 09:54:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 09:54:42,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 09:54:42,361 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 09:54:42,363 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 09:54:42,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 09:54:42,366 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-22 09:54:42,421 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 09:54:42,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 09:54:42 BoogieIcfgContainer [2024-11-22 09:54:42,425 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 09:54:42,426 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 09:54:42,426 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 09:54:42,426 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 09:54:42,427 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:54:38" (3/4) ... [2024-11-22 09:54:42,429 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 09:54:42,430 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 09:54:42,432 INFO L158 Benchmark]: Toolchain (without parser) took 4856.60ms. Allocated memory was 125.8MB in the beginning and 232.8MB in the end (delta: 107.0MB). Free memory was 55.0MB in the beginning and 120.8MB in the end (delta: -65.8MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2024-11-22 09:54:42,433 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory was 87.1MB in the beginning and 87.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 09:54:42,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.45ms. Allocated memory was 125.8MB in the beginning and 192.9MB in the end (delta: 67.1MB). Free memory was 54.7MB in the beginning and 154.9MB in the end (delta: -100.2MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-11-22 09:54:42,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.43ms. Allocated memory is still 192.9MB. Free memory was 154.9MB in the beginning and 151.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 09:54:42,435 INFO L158 Benchmark]: Boogie Preprocessor took 49.07ms. Allocated memory is still 192.9MB. Free memory was 151.9MB in the beginning and 148.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 09:54:42,435 INFO L158 Benchmark]: RCFGBuilder took 363.75ms. Allocated memory is still 192.9MB. Free memory was 148.6MB in the beginning and 130.9MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-22 09:54:42,435 INFO L158 Benchmark]: TraceAbstraction took 4071.68ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 129.7MB in the beginning and 120.8MB in the end (delta: 8.8MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2024-11-22 09:54:42,435 INFO L158 Benchmark]: Witness Printer took 5.88ms. Allocated memory is still 232.8MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 09:54:42,437 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory was 87.1MB in the beginning and 87.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.45ms. Allocated memory was 125.8MB in the beginning and 192.9MB in the end (delta: 67.1MB). Free memory was 54.7MB in the beginning and 154.9MB in the end (delta: -100.2MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.43ms. Allocated memory is still 192.9MB. Free memory was 154.9MB in the beginning and 151.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.07ms. Allocated memory is still 192.9MB. Free memory was 151.9MB in the beginning and 148.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 363.75ms. Allocated memory is still 192.9MB. Free memory was 148.6MB in the beginning and 130.9MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4071.68ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 129.7MB in the beginning and 120.8MB in the end (delta: 8.8MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Witness Printer took 5.88ms. Allocated memory is still 232.8MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of bitwiseAnd at line 52, overapproximation of someBinaryArithmeticFLOAToperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -5; [L23] unsigned char var_1_4 = 0; [L24] unsigned short int var_1_5 = 256; [L25] unsigned short int var_1_6 = 44772; [L26] float var_1_7 = 5.9; [L27] float var_1_8 = 7.6; [L28] float var_1_9 = 64.2; [L29] float var_1_10 = 128.75; [L30] unsigned long int var_1_11 = 8; [L31] unsigned long int var_1_12 = 3135928546; [L32] signed short int last_1_var_1_1 = -5; [L33] unsigned long int last_1_var_1_11 = 8; VAL [isInitial=0, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=0, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L91] isInitial = 1 [L92] FCALL initially() [L93] COND TRUE 1 [L94] CALL updateLastVariables() [L83] last_1_var_1_1 = var_1_1 [L84] last_1_var_1_11 = var_1_11 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=0, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L94] RET updateLastVariables() [L95] CALL updateVariables() [L66] var_1_4 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L67] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L68] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L68] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L69] var_1_6 = __VERIFIER_nondet_ushort() [L70] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L70] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L71] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L71] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L72] var_1_8 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_8 >= -115292.1504606845700e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 1152921.504606845700e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10, var_1_9=321/5] [L73] RET assume_abort_if_not((var_1_8 >= -115292.1504606845700e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 1152921.504606845700e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10, var_1_9=321/5] [L74] var_1_9 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L75] RET assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L76] var_1_10 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L77] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L78] var_1_12 = __VERIFIER_nondet_ulong() [L79] CALL assume_abort_if_not(var_1_12 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L79] RET assume_abort_if_not(var_1_12 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L80] CALL assume_abort_if_not(var_1_12 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L80] RET assume_abort_if_not(var_1_12 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L95] RET updateVariables() [L96] CALL step() [L37] signed long int stepLocal_0 = last_1_var_1_1; VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L38] COND TRUE \read(var_1_4) [L39] var_1_5 = last_1_var_1_1 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-5, var_1_4=1, var_1_5=-5, var_1_6=32767, var_1_7=59/10] [L45] COND TRUE var_1_5 == var_1_5 [L46] var_1_1 = (var_1_5 + -16) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=32767, var_1_7=59/10] [L52] EXPR var_1_5 & last_1_var_1_11 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=32767, var_1_7=59/10] [L52] COND TRUE last_1_var_1_11 >= (var_1_5 & last_1_var_1_11) [L53] var_1_11 = ((((((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) < ((var_1_12 - last_1_var_1_11))) ? (((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) : ((var_1_12 - last_1_var_1_11)))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=32767, var_1_7=59/10] [L61] COND TRUE var_1_1 < var_1_5 [L62] var_1_7 = (((10.25f + var_1_8) + var_1_9) + var_1_10) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=32767] [L96] RET step() [L97] CALL, EXPR property() [L87] EXPR ((((var_1_5 == var_1_5) ? (var_1_1 == ((signed short int) (var_1_5 + -16))) : (var_1_4 ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && (var_1_4 ? (var_1_5 == ((unsigned short int) last_1_var_1_1)) : ((last_1_var_1_1 <= last_1_var_1_1) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_11) > ((var_1_6 - 8))) ? (last_1_var_1_11) : ((var_1_6 - 8)))))) : 1))) && ((var_1_1 < var_1_5) ? (var_1_7 == ((float) (((10.25f + var_1_8) + var_1_9) + var_1_10))) : 1)) && ((last_1_var_1_11 >= (var_1_5 & last_1_var_1_11)) ? (var_1_11 == ((unsigned long int) ((((((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) < ((var_1_12 - last_1_var_1_11))) ? (((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) : ((var_1_12 - last_1_var_1_11)))))) : ((5.7 < var_1_9) ? (var_1_11 == ((unsigned long int) last_1_var_1_11)) : (var_1_11 == ((unsigned long int) last_1_var_1_11)))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=32767] [L87-L88] return ((((var_1_5 == var_1_5) ? (var_1_1 == ((signed short int) (var_1_5 + -16))) : (var_1_4 ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && (var_1_4 ? (var_1_5 == ((unsigned short int) last_1_var_1_1)) : ((last_1_var_1_1 <= last_1_var_1_1) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_11) > ((var_1_6 - 8))) ? (last_1_var_1_11) : ((var_1_6 - 8)))))) : 1))) && ((var_1_1 < var_1_5) ? (var_1_7 == ((float) (((10.25f + var_1_8) + var_1_9) + var_1_10))) : 1)) && ((last_1_var_1_11 >= (var_1_5 & last_1_var_1_11)) ? (var_1_11 == ((unsigned long int) ((((((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) < ((var_1_12 - last_1_var_1_11))) ? (((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) : ((var_1_12 - last_1_var_1_11)))))) : ((5.7 < var_1_9) ? (var_1_11 == ((unsigned long int) last_1_var_1_11)) : (var_1_11 == ((unsigned long int) last_1_var_1_11)))) ; [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=32767] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 6, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 576 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 576 mSDsluCounter, 939 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 605 mSDsCounter, 188 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 633 IncrementalHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 188 mSolverCounterUnsat, 334 mSDtfsCounter, 633 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=236occurred in iteration=4, InterpolantAutomatonStates: 31, 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, 5 MinimizatonAttempts, 243 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 407 NumberOfCodeBlocks, 407 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 333 ConstructedInterpolants, 0 QuantifiedInterpolants, 1566 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 720/720 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 [2024-11-22 09:54:42,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 332bcce48a0139e2df6284710a9b0ccad22d833566bbd5ef3ad1522424ad9314 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 09:54:44,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 09:54:44,498 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 09:54:44,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 09:54:44,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 09:54:44,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 09:54:44,534 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 09:54:44,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 09:54:44,534 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 09:54:44,535 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 09:54:44,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 09:54:44,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 09:54:44,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 09:54:44,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 09:54:44,537 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 09:54:44,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 09:54:44,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 09:54:44,538 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 09:54:44,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 09:54:44,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 09:54:44,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 09:54:44,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 09:54:44,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 09:54:44,539 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 09:54:44,539 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 09:54:44,540 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 09:54:44,540 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 09:54:44,540 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 09:54:44,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 09:54:44,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 09:54:44,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 09:54:44,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 09:54:44,541 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 09:54:44,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 09:54:44,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 09:54:44,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 09:54:44,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 09:54:44,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 09:54:44,542 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 09:54:44,542 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 09:54:44,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 09:54:44,544 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 09:54:44,544 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 09:54:44,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 09:54:44,544 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 332bcce48a0139e2df6284710a9b0ccad22d833566bbd5ef3ad1522424ad9314 [2024-11-22 09:54:44,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 09:54:44,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 09:54:44,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 09:54:44,841 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 09:54:44,842 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 09:54:44,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i [2024-11-22 09:54:46,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 09:54:46,425 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 09:54:46,426 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i [2024-11-22 09:54:46,440 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb4fa5819/87a9b225e6214891b146adfd683fcad2/FLAG3d0abc5d1 [2024-11-22 09:54:46,796 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb4fa5819/87a9b225e6214891b146adfd683fcad2 [2024-11-22 09:54:46,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 09:54:46,799 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 09:54:46,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 09:54:46,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 09:54:46,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 09:54:46,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:54:46" (1/1) ... [2024-11-22 09:54:46,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69502907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:46, skipping insertion in model container [2024-11-22 09:54:46,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:54:46" (1/1) ... [2024-11-22 09:54:46,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 09:54:46,998 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-22.i[917,930] [2024-11-22 09:54:47,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 09:54:47,058 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 09:54:47,070 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-22.i[917,930] [2024-11-22 09:54:47,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 09:54:47,110 INFO L204 MainTranslator]: Completed translation [2024-11-22 09:54:47,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:47 WrapperNode [2024-11-22 09:54:47,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 09:54:47,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 09:54:47,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 09:54:47,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 09:54:47,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:47" (1/1) ... [2024-11-22 09:54:47,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:47" (1/1) ... [2024-11-22 09:54:47,153 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 91 [2024-11-22 09:54:47,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 09:54:47,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 09:54:47,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 09:54:47,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 09:54:47,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:47" (1/1) ... [2024-11-22 09:54:47,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:47" (1/1) ... [2024-11-22 09:54:47,167 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:47" (1/1) ... [2024-11-22 09:54:47,182 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]. [2024-11-22 09:54:47,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:47" (1/1) ... [2024-11-22 09:54:47,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:47" (1/1) ... [2024-11-22 09:54:47,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:47" (1/1) ... [2024-11-22 09:54:47,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:47" (1/1) ... [2024-11-22 09:54:47,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:47" (1/1) ... [2024-11-22 09:54:47,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:47" (1/1) ... [2024-11-22 09:54:47,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 09:54:47,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 09:54:47,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 09:54:47,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 09:54:47,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:47" (1/1) ... [2024-11-22 09:54:47,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 09:54:47,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 09:54:47,244 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) [2024-11-22 09:54:47,250 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 [2024-11-22 09:54:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 09:54:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 09:54:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 09:54:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 09:54:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 09:54:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 09:54:47,354 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 09:54:47,357 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 09:54:48,744 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-22 09:54:48,745 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 09:54:48,756 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 09:54:48,756 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 09:54:48,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:54:48 BoogieIcfgContainer [2024-11-22 09:54:48,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 09:54:48,759 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 09:54:48,759 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 09:54:48,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 09:54:48,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:54:46" (1/3) ... [2024-11-22 09:54:48,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ecfc17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:54:48, skipping insertion in model container [2024-11-22 09:54:48,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:47" (2/3) ... [2024-11-22 09:54:48,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ecfc17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:54:48, skipping insertion in model container [2024-11-22 09:54:48,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:54:48" (3/3) ... [2024-11-22 09:54:48,764 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-22.i [2024-11-22 09:54:48,778 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 09:54:48,778 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 09:54:48,826 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 09:54:48,831 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;@22ce6c50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 09:54:48,832 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 09:54:48,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 30 states have internal predecessors, (41), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 09:54:48,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-22 09:54:48,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 09:54:48,846 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 09:54:48,847 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 09:54:48,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 09:54:48,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1139230559, now seen corresponding path program 1 times [2024-11-22 09:54:48,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 09:54:48,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366425446] [2024-11-22 09:54:48,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 09:54:48,861 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 [2024-11-22 09:54:48,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 09:54:48,863 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) [2024-11-22 09:54:48,864 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 [2024-11-22 09:54:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 09:54:49,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-22 09:54:49,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 09:55:35,491 WARN L286 SmtUtils]: Spent 10.50s on a formula simplification that was a NOOP. DAG size: 102 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)