./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59a501260da967ec7da4156f518c44b77b2b3a1718cb97e1e20f43e883a3b147 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 00:25:03,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 00:25:03,817 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 00:25:03,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 00:25:03,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 00:25:03,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 00:25:03,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 00:25:03,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 00:25:03,847 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 00:25:03,847 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 00:25:03,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 00:25:03,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 00:25:03,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 00:25:03,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 00:25:03,848 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 00:25:03,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 00:25:03,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 00:25:03,848 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 00:25:03,848 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 00:25:03,848 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 00:25:03,848 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 00:25:03,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 00:25:03,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 00:25:03,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 00:25:03,848 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 00:25:03,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 00:25:03,848 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 00:25:03,848 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 00:25:03,850 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 00:25:03,850 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 00:25:03,851 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 00:25:03,851 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 00:25:03,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:25:03,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 00:25:03,851 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 00:25:03,851 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 00:25:03,851 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 00:25:03,851 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 00:25:03,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 00:25:03,851 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 00:25:03,852 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 00:25:03,852 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 00:25:03,852 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 00:25:03,852 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59a501260da967ec7da4156f518c44b77b2b3a1718cb97e1e20f43e883a3b147 [2025-02-06 00:25:04,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 00:25:04,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 00:25:04,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 00:25:04,090 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 00:25:04,090 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 00:25:04,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i [2025-02-06 00:25:05,275 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0a27dd8a5/050a44f2a108468d8e3b280482876416/FLAG929c7c013 [2025-02-06 00:25:05,564 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 00:25:05,565 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i [2025-02-06 00:25:05,575 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0a27dd8a5/050a44f2a108468d8e3b280482876416/FLAG929c7c013 [2025-02-06 00:25:05,586 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0a27dd8a5/050a44f2a108468d8e3b280482876416 [2025-02-06 00:25:05,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 00:25:05,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 00:25:05,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 00:25:05,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 00:25:05,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 00:25:05,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:25:05" (1/1) ... [2025-02-06 00:25:05,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c99aefc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:05, skipping insertion in model container [2025-02-06 00:25:05,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:25:05" (1/1) ... [2025-02-06 00:25:05,604 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 00:25:05,685 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i[917,930] [2025-02-06 00:25:05,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:25:05,718 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 00:25:05,725 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i[917,930] [2025-02-06 00:25:05,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:25:05,748 INFO L204 MainTranslator]: Completed translation [2025-02-06 00:25:05,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:05 WrapperNode [2025-02-06 00:25:05,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 00:25:05,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 00:25:05,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 00:25:05,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 00:25:05,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:05" (1/1) ... [2025-02-06 00:25:05,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:05" (1/1) ... [2025-02-06 00:25:05,791 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2025-02-06 00:25:05,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 00:25:05,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 00:25:05,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 00:25:05,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 00:25:05,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:05" (1/1) ... [2025-02-06 00:25:05,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:05" (1/1) ... [2025-02-06 00:25:05,806 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:05" (1/1) ... [2025-02-06 00:25:05,820 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]. [2025-02-06 00:25:05,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:05" (1/1) ... [2025-02-06 00:25:05,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:05" (1/1) ... [2025-02-06 00:25:05,827 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:05" (1/1) ... [2025-02-06 00:25:05,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:05" (1/1) ... [2025-02-06 00:25:05,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:05" (1/1) ... [2025-02-06 00:25:05,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:05" (1/1) ... [2025-02-06 00:25:05,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 00:25:05,834 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 00:25:05,834 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 00:25:05,834 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 00:25:05,839 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:05" (1/1) ... [2025-02-06 00:25:05,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:25:05,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:25:05,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 00:25:05,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 00:25:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 00:25:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 00:25:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 00:25:05,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 00:25:05,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 00:25:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 00:25:05,928 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 00:25:05,929 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 00:25:06,087 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-02-06 00:25:06,090 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 00:25:06,096 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 00:25:06,096 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 00:25:06,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:25:06 BoogieIcfgContainer [2025-02-06 00:25:06,096 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 00:25:06,098 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 00:25:06,098 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 00:25:06,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 00:25:06,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 12:25:05" (1/3) ... [2025-02-06 00:25:06,102 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f69a4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:25:06, skipping insertion in model container [2025-02-06 00:25:06,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:05" (2/3) ... [2025-02-06 00:25:06,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f69a4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:25:06, skipping insertion in model container [2025-02-06 00:25:06,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:25:06" (3/3) ... [2025-02-06 00:25:06,103 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-53.i [2025-02-06 00:25:06,113 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 00:25:06,114 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-53.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 00:25:06,175 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 00:25:06,190 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;@13e7324b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 00:25:06,190 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 00:25:06,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 00:25:06,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-06 00:25:06,203 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:25:06,203 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 00:25:06,204 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:25:06,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:25:06,208 INFO L85 PathProgramCache]: Analyzing trace with hash 2036206317, now seen corresponding path program 1 times [2025-02-06 00:25:06,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 00:25:06,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073380666] [2025-02-06 00:25:06,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:25:06,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 00:25:06,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-06 00:25:06,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 00:25:06,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:25:06,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:25:06,459 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-02-06 00:25:06,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 00:25:06,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073380666] [2025-02-06 00:25:06,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073380666] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 00:25:06,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202391222] [2025-02-06 00:25:06,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:25:06,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 00:25:06,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:25:06,466 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 00:25:06,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 00:25:06,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-06 00:25:06,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 00:25:06,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:25:06,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:25:06,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 00:25:06,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:25:06,622 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-02-06 00:25:06,625 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 00:25:06,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202391222] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 00:25:06,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 00:25:06,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 00:25:06,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490026258] [2025-02-06 00:25:06,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 00:25:06,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 00:25:06,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 00:25:06,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 00:25:06,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:25:06,646 INFO L87 Difference]: Start difference. First operand has 53 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2025-02-06 00:25:06,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 00:25:06,665 INFO L93 Difference]: Finished difference Result 100 states and 169 transitions. [2025-02-06 00:25:06,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 00:25:06,667 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2025-02-06 00:25:06,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 00:25:06,683 INFO L225 Difference]: With dead ends: 100 [2025-02-06 00:25:06,683 INFO L226 Difference]: Without dead ends: 50 [2025-02-06 00:25:06,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:25:06,688 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 00:25:06,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 00:25:06,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2025-02-06 00:25:06,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2025-02-06 00:25:06,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 00:25:06,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2025-02-06 00:25:06,719 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 113 [2025-02-06 00:25:06,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 00:25:06,720 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2025-02-06 00:25:06,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2025-02-06 00:25:06,720 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2025-02-06 00:25:06,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-06 00:25:06,723 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:25:06,726 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 00:25:06,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 00:25:06,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 00:25:06,928 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:25:06,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:25:06,929 INFO L85 PathProgramCache]: Analyzing trace with hash 233659755, now seen corresponding path program 1 times [2025-02-06 00:25:06,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 00:25:06,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548219060] [2025-02-06 00:25:06,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:25:06,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 00:25:06,946 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-06 00:25:07,101 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 00:25:07,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:25:07,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:25:08,171 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 42 proven. 93 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2025-02-06 00:25:08,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 00:25:08,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548219060] [2025-02-06 00:25:08,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548219060] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 00:25:08,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912141133] [2025-02-06 00:25:08,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:25:08,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 00:25:08,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:25:08,177 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 00:25:08,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 00:25:08,224 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-06 00:25:08,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 00:25:08,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:25:08,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:25:08,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-02-06 00:25:08,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:25:09,282 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 218 proven. 147 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2025-02-06 00:25:09,283 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 00:25:09,936 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 156 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2025-02-06 00:25:09,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912141133] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 00:25:09,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 00:25:09,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 17, 15] total 33 [2025-02-06 00:25:09,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923627532] [2025-02-06 00:25:09,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 00:25:09,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-02-06 00:25:09,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 00:25:09,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-02-06 00:25:09,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=739, Unknown=0, NotChecked=0, Total=1056 [2025-02-06 00:25:09,942 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 33 states, 31 states have (on average 2.774193548387097) internal successors, (86), 30 states have internal predecessors, (86), 10 states have call successors, (52), 5 states have call predecessors, (52), 12 states have return successors, (53), 9 states have call predecessors, (53), 10 states have call successors, (53) [2025-02-06 00:25:10,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 00:25:10,456 INFO L93 Difference]: Finished difference Result 135 states and 181 transitions. [2025-02-06 00:25:10,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-02-06 00:25:10,457 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 2.774193548387097) internal successors, (86), 30 states have internal predecessors, (86), 10 states have call successors, (52), 5 states have call predecessors, (52), 12 states have return successors, (53), 9 states have call predecessors, (53), 10 states have call successors, (53) Word has length 113 [2025-02-06 00:25:10,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 00:25:10,460 INFO L225 Difference]: With dead ends: 135 [2025-02-06 00:25:10,460 INFO L226 Difference]: Without dead ends: 88 [2025-02-06 00:25:10,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 473 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=570, Invalid=1236, Unknown=0, NotChecked=0, Total=1806 [2025-02-06 00:25:10,463 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 141 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 00:25:10,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 218 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 00:25:10,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2025-02-06 00:25:10,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 70. [2025-02-06 00:25:10,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 45 states have (on average 1.1333333333333333) internal successors, (51), 45 states have internal predecessors, (51), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 00:25:10,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 87 transitions. [2025-02-06 00:25:10,479 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 87 transitions. Word has length 113 [2025-02-06 00:25:10,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 00:25:10,480 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 87 transitions. [2025-02-06 00:25:10,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 2.774193548387097) internal successors, (86), 30 states have internal predecessors, (86), 10 states have call successors, (52), 5 states have call predecessors, (52), 12 states have return successors, (53), 9 states have call predecessors, (53), 10 states have call successors, (53) [2025-02-06 00:25:10,481 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2025-02-06 00:25:10,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-02-06 00:25:10,483 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:25:10,483 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 00:25:10,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 00:25:10,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 00:25:10,688 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:25:10,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:25:10,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1312250369, now seen corresponding path program 1 times [2025-02-06 00:25:10,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 00:25:10,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103685020] [2025-02-06 00:25:10,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:25:10,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 00:25:10,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-02-06 00:25:10,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-02-06 00:25:10,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:25:10,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 00:25:10,761 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 00:25:10,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-02-06 00:25:10,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-02-06 00:25:10,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:25:10,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 00:25:10,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 00:25:10,844 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 00:25:10,845 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 00:25:10,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 00:25:10,848 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-02-06 00:25:10,914 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 00:25:10,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 12:25:10 BoogieIcfgContainer [2025-02-06 00:25:10,918 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 00:25:10,919 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 00:25:10,919 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 00:25:10,919 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 00:25:10,919 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:25:06" (3/4) ... [2025-02-06 00:25:10,923 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 00:25:10,923 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 00:25:10,924 INFO L158 Benchmark]: Toolchain (without parser) took 5335.13ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 106.3MB in the beginning and 138.9MB in the end (delta: -32.5MB). Peak memory consumption was 144.3MB. Max. memory is 16.1GB. [2025-02-06 00:25:10,924 INFO L158 Benchmark]: CDTParser took 1.62ms. Allocated memory is still 201.3MB. Free memory was 128.4MB in the beginning and 128.1MB in the end (delta: 307.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:25:10,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.60ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 93.6MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 00:25:10,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.11ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 91.4MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 00:25:10,926 INFO L158 Benchmark]: Boogie Preprocessor took 40.98ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 88.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:25:10,926 INFO L158 Benchmark]: IcfgBuilder took 262.39ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 71.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 00:25:10,926 INFO L158 Benchmark]: TraceAbstraction took 4820.31ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 70.3MB in the beginning and 138.9MB in the end (delta: -68.6MB). Peak memory consumption was 110.8MB. Max. memory is 16.1GB. [2025-02-06 00:25:10,926 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 318.8MB. Free memory was 138.9MB in the beginning and 138.9MB in the end (delta: 97.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:25:10,928 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.62ms. Allocated memory is still 201.3MB. Free memory was 128.4MB in the beginning and 128.1MB in the end (delta: 307.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.60ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 93.6MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.11ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 91.4MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.98ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 88.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 262.39ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 71.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4820.31ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 70.3MB in the beginning and 138.9MB in the end (delta: -68.6MB). Peak memory consumption was 110.8MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 318.8MB. Free memory was 138.9MB in the beginning and 138.9MB in the end (delta: 97.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 44. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_3 = 1456677701; [L24] unsigned long int var_1_4 = 1000000000; [L25] unsigned long int var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 0; [L29] double var_1_9 = 256.5; [L30] double var_1_10 = 8.8; [L31] unsigned char var_1_11 = 1; [L32] unsigned short int var_1_12 = 16; [L33] unsigned long int var_1_13 = 3110219175; [L34] unsigned short int var_1_14 = 128; [L35] unsigned char var_1_15 = 1; [L36] unsigned char var_1_16 = 0; VAL [isInitial=0, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L103] isInitial = 1 [L104] FCALL initially() [L105] COND TRUE 1 [L106] FCALL updateLastVariables() [L107] CALL updateVariables() [L67] var_1_3 = __VERIFIER_nondet_ulong() [L68] CALL assume_abort_if_not(var_1_3 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L68] RET assume_abort_if_not(var_1_3 >= 1073741823) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L69] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L69] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L70] var_1_4 = __VERIFIER_nondet_ulong() [L71] CALL assume_abort_if_not(var_1_4 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L71] RET assume_abort_if_not(var_1_4 >= 536870911) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L72] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L72] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L73] var_1_5 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L74] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L75] CALL assume_abort_if_not(var_1_5 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L75] RET assume_abort_if_not(var_1_5 <= 536870911) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L76] var_1_7 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_8=0, var_1_9=513/2] [L77] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_8=0, var_1_9=513/2] [L78] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=513/2] [L78] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=513/2] [L79] var_1_9 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L80] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L81] var_1_10 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L82] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L83] var_1_11 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L84] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L85] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L85] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L86] var_1_13 = __VERIFIER_nondet_ulong() [L87] CALL assume_abort_if_not(var_1_13 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L87] RET assume_abort_if_not(var_1_13 >= 2147483647) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L88] CALL assume_abort_if_not(var_1_13 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L88] RET assume_abort_if_not(var_1_13 <= 4294967295) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L89] var_1_14 = __VERIFIER_nondet_ushort() [L90] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L90] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L91] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_14=65534, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_14=65534, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L91] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_14=65534, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L92] var_1_16 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_14=65534, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_14=65534, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L93] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_14=65534, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L94] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_14=65534, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_14=65534, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L94] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_14=65534, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L107] RET updateVariables() [L108] CALL step() [L40] var_1_6 = var_1_7 VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-2305843000623759361, var_1_14=65534, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L41] COND TRUE var_1_5 <= (var_1_13 - var_1_4) [L42] var_1_12 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) VAL [isInitial=1, var_1_11=1, var_1_12=65534, var_1_13=-2305843000623759361, var_1_14=65534, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L44] COND TRUE (var_1_9 * 16.5f) > var_1_10 [L45] var_1_15 = (! var_1_11) VAL [isInitial=1, var_1_11=1, var_1_12=65534, var_1_13=-2305843000623759361, var_1_14=65534, var_1_15=0, var_1_16=1, var_1_1=5, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L49] var_1_1 = (var_1_12 + (var_1_3 - (var_1_4 - var_1_12))) [L50] signed long int stepLocal_1 = (((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)); [L51] unsigned long int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=6442450943, stepLocal_1=65534, var_1_11=1, var_1_12=65534, var_1_13=-2305843000623759361, var_1_14=65534, var_1_15=0, var_1_16=1, var_1_1=5905711100, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L52] COND TRUE stepLocal_1 != ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3))) VAL [isInitial=1, stepLocal_0=6442450943, var_1_11=1, var_1_12=65534, var_1_13=-2305843000623759361, var_1_14=65534, var_1_15=0, var_1_16=1, var_1_1=5905711100, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L53] COND FALSE !(var_1_9 == var_1_10) VAL [isInitial=1, stepLocal_0=6442450943, var_1_11=1, var_1_12=65534, var_1_13=-2305843000623759361, var_1_14=65534, var_1_15=0, var_1_16=1, var_1_1=5905711100, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L108] RET step() [L109] CALL, EXPR property() [L99-L100] return ((((var_1_1 == ((unsigned long int) (var_1_12 + (var_1_3 - (var_1_4 - var_1_12))))) && (var_1_6 == ((unsigned char) var_1_7))) && ((((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12))) != ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) ? ((var_1_9 == var_1_10) ? (var_1_6 ? ((var_1_3 >= var_1_12) ? (var_1_8 == ((unsigned char) (var_1_7 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_7))) : 1) : 1) : (var_1_8 == ((unsigned char) var_1_11)))) && ((var_1_5 <= (var_1_13 - var_1_4)) ? (var_1_12 == ((unsigned short int) ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))) : 1)) && (((var_1_9 * 16.5f) > var_1_10) ? (var_1_15 == ((unsigned char) (! var_1_11))) : (var_1_15 == ((unsigned char) (var_1_11 && var_1_16)))) ; VAL [\result=0, isInitial=1, var_1_11=1, var_1_12=65534, var_1_13=-2305843000623759361, var_1_14=65534, var_1_15=0, var_1_16=1, var_1_1=5905711100, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=1, var_1_12=65534, var_1_13=-2305843000623759361, var_1_14=65534, var_1_15=0, var_1_16=1, var_1_1=5905711100, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_11=1, var_1_12=65534, var_1_13=-2305843000623759361, var_1_14=65534, var_1_15=0, var_1_16=1, var_1_1=5905711100, var_1_3=6442450943, var_1_4=536870911, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 291 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 165 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 389 IncrementalHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 126 mSDtfsCounter, 389 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 364 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 473 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=2, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 566 NumberOfCodeBlocks, 566 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 560 ConstructedInterpolants, 0 QuantifiedInterpolants, 2949 SizeOfPredicates, 10 NumberOfNonLiveVariables, 520 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 2630/3060 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-06 00:25:10,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59a501260da967ec7da4156f518c44b77b2b3a1718cb97e1e20f43e883a3b147 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 00:25:12,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 00:25:12,979 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-06 00:25:12,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 00:25:12,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 00:25:13,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 00:25:13,013 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 00:25:13,013 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 00:25:13,014 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 00:25:13,014 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 00:25:13,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 00:25:13,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 00:25:13,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 00:25:13,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 00:25:13,016 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 00:25:13,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 00:25:13,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 00:25:13,016 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 00:25:13,016 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 00:25:13,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 00:25:13,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 00:25:13,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 00:25:13,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 00:25:13,017 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 00:25:13,017 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 00:25:13,017 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 00:25:13,017 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 00:25:13,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 00:25:13,017 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 00:25:13,017 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 00:25:13,017 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 00:25:13,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 00:25:13,018 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 00:25:13,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 00:25:13,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:25:13,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 00:25:13,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 00:25:13,018 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 00:25:13,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 00:25:13,019 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 00:25:13,019 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 00:25:13,019 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 00:25:13,019 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 00:25:13,019 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 00:25:13,019 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 00:25:13,019 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59a501260da967ec7da4156f518c44b77b2b3a1718cb97e1e20f43e883a3b147 [2025-02-06 00:25:13,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 00:25:13,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 00:25:13,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 00:25:13,274 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 00:25:13,275 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 00:25:13,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i [2025-02-06 00:25:14,479 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01befeffe/780db7a823e8406d8107f866bb824910/FLAGdcff83c50 [2025-02-06 00:25:14,678 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 00:25:14,678 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i [2025-02-06 00:25:14,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01befeffe/780db7a823e8406d8107f866bb824910/FLAGdcff83c50 [2025-02-06 00:25:14,699 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01befeffe/780db7a823e8406d8107f866bb824910 [2025-02-06 00:25:14,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 00:25:14,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 00:25:14,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 00:25:14,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 00:25:14,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 00:25:14,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:25:14" (1/1) ... [2025-02-06 00:25:14,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43cc5f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:14, skipping insertion in model container [2025-02-06 00:25:14,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:25:14" (1/1) ... [2025-02-06 00:25:14,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 00:25:14,822 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i[917,930] [2025-02-06 00:25:14,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:25:14,873 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 00:25:14,884 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i[917,930] [2025-02-06 00:25:14,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:25:14,907 INFO L204 MainTranslator]: Completed translation [2025-02-06 00:25:14,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:14 WrapperNode [2025-02-06 00:25:14,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 00:25:14,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 00:25:14,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 00:25:14,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 00:25:14,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:14" (1/1) ... [2025-02-06 00:25:14,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:14" (1/1) ... [2025-02-06 00:25:14,938 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2025-02-06 00:25:14,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 00:25:14,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 00:25:14,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 00:25:14,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 00:25:14,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:14" (1/1) ... [2025-02-06 00:25:14,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:14" (1/1) ... [2025-02-06 00:25:14,950 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:14" (1/1) ... [2025-02-06 00:25:14,966 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]. [2025-02-06 00:25:14,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:14" (1/1) ... [2025-02-06 00:25:14,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:14" (1/1) ... [2025-02-06 00:25:14,972 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:14" (1/1) ... [2025-02-06 00:25:14,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:14" (1/1) ... [2025-02-06 00:25:14,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:14" (1/1) ... [2025-02-06 00:25:14,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:14" (1/1) ... [2025-02-06 00:25:14,979 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 00:25:14,983 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 00:25:14,983 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 00:25:14,983 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 00:25:14,984 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:14" (1/1) ... [2025-02-06 00:25:14,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:25:15,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:25:15,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 00:25:15,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 00:25:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 00:25:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 00:25:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 00:25:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 00:25:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 00:25:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 00:25:15,092 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 00:25:15,094 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 00:25:15,424 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-02-06 00:25:15,424 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 00:25:15,434 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 00:25:15,434 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 00:25:15,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:25:15 BoogieIcfgContainer [2025-02-06 00:25:15,435 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 00:25:15,437 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 00:25:15,437 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 00:25:15,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 00:25:15,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 12:25:14" (1/3) ... [2025-02-06 00:25:15,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6609c480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:25:15, skipping insertion in model container [2025-02-06 00:25:15,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:25:14" (2/3) ... [2025-02-06 00:25:15,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6609c480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:25:15, skipping insertion in model container [2025-02-06 00:25:15,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:25:15" (3/3) ... [2025-02-06 00:25:15,441 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-53.i [2025-02-06 00:25:15,451 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 00:25:15,452 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-53.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 00:25:15,484 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 00:25:15,496 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;@21f3f879, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 00:25:15,496 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 00:25:15,499 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 00:25:15,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-06 00:25:15,507 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:25:15,507 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 00:25:15,508 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:25:15,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:25:15,513 INFO L85 PathProgramCache]: Analyzing trace with hash 2036206317, now seen corresponding path program 1 times [2025-02-06 00:25:15,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 00:25:15,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [514101701] [2025-02-06 00:25:15,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:25:15,524 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 [2025-02-06 00:25:15,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 00:25:15,532 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2025-02-06 00:25:15,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-06 00:25:15,615 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-06 00:25:15,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 00:25:15,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:25:15,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:25:15,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 00:25:15,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:25:15,781 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2025-02-06 00:25:15,781 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 00:25:15,781 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 00:25:15,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [514101701] [2025-02-06 00:25:15,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [514101701] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 00:25:15,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 00:25:15,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 00:25:15,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555676065] [2025-02-06 00:25:15,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 00:25:15,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 00:25:15,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 00:25:15,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 00:25:15,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:25:15,800 INFO L87 Difference]: Start difference. First operand has 53 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-02-06 00:25:15,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 00:25:15,838 INFO L93 Difference]: Finished difference Result 100 states and 169 transitions. [2025-02-06 00:25:15,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 00:25:15,839 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2025-02-06 00:25:15,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 00:25:15,843 INFO L225 Difference]: With dead ends: 100 [2025-02-06 00:25:15,843 INFO L226 Difference]: Without dead ends: 50 [2025-02-06 00:25:15,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:25:15,847 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 00:25:15,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 00:25:15,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2025-02-06 00:25:15,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2025-02-06 00:25:15,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 00:25:15,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2025-02-06 00:25:15,880 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 113 [2025-02-06 00:25:15,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 00:25:15,880 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2025-02-06 00:25:15,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-02-06 00:25:15,880 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2025-02-06 00:25:15,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-06 00:25:15,884 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:25:15,885 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 00:25:15,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-02-06 00:25:16,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2025-02-06 00:25:16,090 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:25:16,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:25:16,091 INFO L85 PathProgramCache]: Analyzing trace with hash 233659755, now seen corresponding path program 1 times [2025-02-06 00:25:16,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 00:25:16,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148376483] [2025-02-06 00:25:16,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:25:16,092 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 [2025-02-06 00:25:16,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 00:25:16,100 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/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) [2025-02-06 00:25:16,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-02-06 00:25:16,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-06 00:25:16,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 00:25:16,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:25:16,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:25:16,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-06 00:25:16,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:25:17,213 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 80 proven. 168 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-06 00:25:17,213 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 00:25:17,376 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 00:25:17,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148376483] [2025-02-06 00:25:17,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [148376483] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 00:25:17,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1549683475] [2025-02-06 00:25:17,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:25:17,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-02-06 00:25:17,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 [2025-02-06 00:25:17,403 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-02-06 00:25:17,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2025-02-06 00:25:17,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-06 00:25:17,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 00:25:17,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:25:17,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:25:17,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 00:25:17,789 INFO L279 TraceCheckSpWp]: Computing forward predicates...