./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/nan_float.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 4f9af400
extending candidate: java
['java']
extending candidate: /usr/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/oracle-jdk-bin-*/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/openjdk-*/bin/java
['java', '/usr/bin/java']
extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java
['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java']
['/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/float-benchs/nan_float.c', '-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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'eb81f35d75989f789f001a9f8dd91513a75388b6b9d4a313a70014eff54b698e']
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/float-benchs/nan_float.c -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 eb81f35d75989f789f001a9f8dd91513a75388b6b9d4a313a70014eff54b698e
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 20:44:46,655 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-06 20:44:46,741 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-06 20:44:46,748 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 20:44:46,748 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 20:44:46,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 20:44:46,771 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 20:44:46,771 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 20:44:46,772 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 20:44:46,772 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-06 20:44:46,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 20:44:46,773 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 20:44:46,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 20:44:46,773 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-06 20:44:46,773 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-06 20:44:46,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 20:44:46,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-06 20:44:46,774 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-06 20:44:46,774 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-06 20:44:46,774 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-06 20:44:46,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-06 20:44:46,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 20:44:46,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 20:44:46,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 20:44:46,774 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-06 20:44:46,775 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-06 20:44:46,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-06 20:44:46,775 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-06 20:44:46,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 20:44:46,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-06 20:44:46,775 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 20:44:46,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-06 20:44:46,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 20:44:46,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 20:44:46,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 20:44:46,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 20:44:46,776 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-06 20:44:46,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-06 20:44:46,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 20:44:46,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 20:44:46,777 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 20:44:46,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 20:44:46,777 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 -> eb81f35d75989f789f001a9f8dd91513a75388b6b9d4a313a70014eff54b698e
[2024-11-06 20:44:47,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 20:44:47,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 20:44:47,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 20:44:47,051 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-06 20:44:47,052 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-06 20:44:47,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/nan_float.c
[2024-11-06 20:44:48,280 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-06 20:44:48,449 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-06 20:44:48,450 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_float.c
[2024-11-06 20:44:48,455 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eb2abd562/e5cc8da973204a28922551a2047da780/FLAG0e0bf9cc0
[2024-11-06 20:44:48,838 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eb2abd562/e5cc8da973204a28922551a2047da780
[2024-11-06 20:44:48,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 20:44:48,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 20:44:48,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 20:44:48,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 20:44:48,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 20:44:48,845 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:44:48" (1/1) ...
[2024-11-06 20:44:48,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a32c73c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:48, skipping insertion in model container
[2024-11-06 20:44:48,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:44:48" (1/1) ...
[2024-11-06 20:44:48,855 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-06 20:44:48,960 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/float-benchs/nan_float.c[434,447]
[2024-11-06 20:44:48,966 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 20:44:48,972 INFO L200 MainTranslator]: Completed pre-run
[2024-11-06 20:44:48,978 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/float-benchs/nan_float.c[434,447]
[2024-11-06 20:44:48,979 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 20:44:48,988 INFO L204 MainTranslator]: Completed translation
[2024-11-06 20:44:48,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:48 WrapperNode
[2024-11-06 20:44:48,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 20:44:48,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 20:44:48,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 20:44:48,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 20:44:48,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:48" (1/1) ...
[2024-11-06 20:44:48,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:48" (1/1) ...
[2024-11-06 20:44:49,006 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22
[2024-11-06 20:44:49,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 20:44:49,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 20:44:49,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 20:44:49,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 20:44:49,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:48" (1/1) ...
[2024-11-06 20:44:49,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:48" (1/1) ...
[2024-11-06 20:44:49,013 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:48" (1/1) ...
[2024-11-06 20:44:49,018 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-06 20:44:49,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:48" (1/1) ...
[2024-11-06 20:44:49,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:48" (1/1) ...
[2024-11-06 20:44:49,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:48" (1/1) ...
[2024-11-06 20:44:49,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:48" (1/1) ...
[2024-11-06 20:44:49,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:48" (1/1) ...
[2024-11-06 20:44:49,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:48" (1/1) ...
[2024-11-06 20:44:49,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 20:44:49,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 20:44:49,024 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 20:44:49,024 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-06 20:44:49,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:48" (1/1) ...
[2024-11-06 20:44:49,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 20:44:49,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 20:44:49,052 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)
[2024-11-06 20:44:49,054 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
[2024-11-06 20:44:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 20:44:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 20:44:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 20:44:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-06 20:44:49,113 INFO L238 CfgBuilder]: Building ICFG
[2024-11-06 20:44:49,114 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 20:44:49,163 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live.
[2024-11-06 20:44:49,163 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-06 20:44:49,168 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 20:44:49,169 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-06 20:44:49,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:44:49 BoogieIcfgContainer
[2024-11-06 20:44:49,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 20:44:49,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 20:44:49,171 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 20:44:49,175 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-06 20:44:49,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:44:48" (1/3) ...
[2024-11-06 20:44:49,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7b2a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:44:49, skipping insertion in model container
[2024-11-06 20:44:49,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:48" (2/3) ...
[2024-11-06 20:44:49,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7b2a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:44:49, skipping insertion in model container
[2024-11-06 20:44:49,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:44:49" (3/3) ...
[2024-11-06 20:44:49,176 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_float.c
[2024-11-06 20:44:49,186 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 20:44:49,186 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 20:44:49,227 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 20:44:49,236 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;@1a35190b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 20:44:49,237 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 20:44:49,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 20:44:49,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-11-06 20:44:49,244 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 20:44:49,245 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-11-06 20:44:49,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 20:44:49,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 20:44:49,250 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times
[2024-11-06 20:44:49,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 20:44:49,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146109182]
[2024-11-06 20:44:49,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 20:44:49,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 20:44:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 20:44:49,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-06 20:44:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 20:44:49,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-06 20:44:49,341 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-06 20:44:49,342 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-06 20:44:49,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-06 20:44:49,346 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-06 20:44:49,355 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-06 20:44:49,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 08:44:49 BoogieIcfgContainer
[2024-11-06 20:44:49,360 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-06 20:44:49,361 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-06 20:44:49,361 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-06 20:44:49,361 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-06 20:44:49,361 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:44:49" (3/4) ...
[2024-11-06 20:44:49,363 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-06 20:44:49,364 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-06 20:44:49,365 INFO L158 Benchmark]: Toolchain (without parser) took 524.19ms. Allocated memory is still 100.7MB. Free memory was 77.4MB in the beginning and 44.2MB in the end (delta: 33.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-06 20:44:49,366 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 20:44:49,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 147.53ms. Allocated memory is still 100.7MB. Free memory was 77.3MB in the beginning and 66.9MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 20:44:49,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.73ms. Allocated memory is still 100.7MB. Free memory was 66.8MB in the beginning and 65.8MB in the end (delta: 964.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 20:44:49,367 INFO L158 Benchmark]: Boogie Preprocessor took 15.68ms. Allocated memory is still 100.7MB. Free memory was 65.8MB in the beginning and 64.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 20:44:49,367 INFO L158 Benchmark]: RCFGBuilder took 145.84ms. Allocated memory is still 100.7MB. Free memory was 64.8MB in the beginning and 56.6MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 20:44:49,367 INFO L158 Benchmark]: TraceAbstraction took 189.13ms. Allocated memory is still 100.7MB. Free memory was 55.9MB in the beginning and 44.5MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 20:44:49,367 INFO L158 Benchmark]: Witness Printer took 3.36ms. Allocated memory is still 100.7MB. Free memory was 44.5MB in the beginning and 44.4MB in the end (delta: 138.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 20:44:49,369 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 147.53ms. Allocated memory is still 100.7MB. Free memory was 77.3MB in the beginning and 66.9MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 17.73ms. Allocated memory is still 100.7MB. Free memory was 66.8MB in the beginning and 65.8MB in the end (delta: 964.1kB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 15.68ms. Allocated memory is still 100.7MB. Free memory was 65.8MB in the beginning and 64.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 145.84ms. Allocated memory is still 100.7MB. Free memory was 64.8MB in the beginning and 56.6MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 189.13ms. Allocated memory is still 100.7MB. Free memory was 55.9MB in the beginning and 44.5MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Witness Printer took 3.36ms. Allocated memory is still 100.7MB. Free memory was 44.5MB in the beginning and 44.4MB in the end (delta: 138.4kB). 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: 8]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15.
Possible FailurePath:
[L12] float x;
[L13] x = __VERIFIER_nondet_float()
[L15] CALL __VERIFIER_assert(x==x)
[L8] COND TRUE !(cond)
[L8] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-06 20:44:49,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /root/.sdkman/candidates/java/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/float-benchs/nan_float.c -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 eb81f35d75989f789f001a9f8dd91513a75388b6b9d4a313a70014eff54b698e
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 20:44:51,248 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-06 20:44:51,312 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-06 20:44:51,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 20:44:51,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 20:44:51,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 20:44:51,356 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 20:44:51,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 20:44:51,368 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 20:44:51,368 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-06 20:44:51,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 20:44:51,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 20:44:51,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 20:44:51,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-06 20:44:51,368 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-06 20:44:51,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 20:44:51,368 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-06 20:44:51,368 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-06 20:44:51,368 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-06 20:44:51,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-06 20:44:51,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 20:44:51,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 20:44:51,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 20:44:51,369 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-06 20:44:51,369 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-06 20:44:51,369 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-06 20:44:51,369 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 20:44:51,369 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-06 20:44:51,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-06 20:44:51,369 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-06 20:44:51,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 20:44:51,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-06 20:44:51,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 20:44:51,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-06 20:44:51,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 20:44:51,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 20:44:51,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 20:44:51,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 20:44:51,369 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-11-06 20:44:51,369 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 20:44:51,369 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 20:44:51,370 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 20:44:51,370 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 20:44:51,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 20:44:51,370 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 -> eb81f35d75989f789f001a9f8dd91513a75388b6b9d4a313a70014eff54b698e
[2024-11-06 20:44:51,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 20:44:51,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 20:44:51,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 20:44:51,597 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-06 20:44:51,597 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-06 20:44:51,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/nan_float.c
[2024-11-06 20:44:52,765 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-06 20:44:52,997 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-06 20:44:52,998 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_float.c
[2024-11-06 20:44:53,010 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/334aad972/cbce4a98ce784c75b0075168ff82ec6d/FLAGfa9cb3c78
[2024-11-06 20:44:53,024 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/334aad972/cbce4a98ce784c75b0075168ff82ec6d
[2024-11-06 20:44:53,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 20:44:53,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 20:44:53,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 20:44:53,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 20:44:53,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 20:44:53,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:44:53" (1/1) ...
[2024-11-06 20:44:53,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@756f024d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:53, skipping insertion in model container
[2024-11-06 20:44:53,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:44:53" (1/1) ...
[2024-11-06 20:44:53,047 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-06 20:44:53,154 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/float-benchs/nan_float.c[434,447]
[2024-11-06 20:44:53,161 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 20:44:53,172 INFO L200 MainTranslator]: Completed pre-run
[2024-11-06 20:44:53,180 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/float-benchs/nan_float.c[434,447]
[2024-11-06 20:44:53,182 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 20:44:53,195 INFO L204 MainTranslator]: Completed translation
[2024-11-06 20:44:53,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:53 WrapperNode
[2024-11-06 20:44:53,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 20:44:53,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 20:44:53,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 20:44:53,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 20:44:53,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:53" (1/1) ...
[2024-11-06 20:44:53,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:53" (1/1) ...
[2024-11-06 20:44:53,219 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23
[2024-11-06 20:44:53,220 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 20:44:53,221 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 20:44:53,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 20:44:53,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 20:44:53,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:53" (1/1) ...
[2024-11-06 20:44:53,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:53" (1/1) ...
[2024-11-06 20:44:53,227 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:53" (1/1) ...
[2024-11-06 20:44:53,235 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-06 20:44:53,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:53" (1/1) ...
[2024-11-06 20:44:53,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:53" (1/1) ...
[2024-11-06 20:44:53,241 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:53" (1/1) ...
[2024-11-06 20:44:53,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:53" (1/1) ...
[2024-11-06 20:44:53,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:53" (1/1) ...
[2024-11-06 20:44:53,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:53" (1/1) ...
[2024-11-06 20:44:53,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 20:44:53,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 20:44:53,250 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 20:44:53,250 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-06 20:44:53,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:53" (1/1) ...
[2024-11-06 20:44:53,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 20:44:53,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 20:44:53,276 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)
[2024-11-06 20:44:53,279 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
[2024-11-06 20:44:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 20:44:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 20:44:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 20:44:53,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 20:44:53,352 INFO L238 CfgBuilder]: Building ICFG
[2024-11-06 20:44:53,353 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 20:44:53,427 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live.
[2024-11-06 20:44:53,427 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-06 20:44:53,433 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 20:44:53,434 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-06 20:44:53,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:44:53 BoogieIcfgContainer
[2024-11-06 20:44:53,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 20:44:53,436 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 20:44:53,436 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 20:44:53,441 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-06 20:44:53,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:44:53" (1/3) ...
[2024-11-06 20:44:53,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467a40af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:44:53, skipping insertion in model container
[2024-11-06 20:44:53,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:53" (2/3) ...
[2024-11-06 20:44:53,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467a40af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:44:53, skipping insertion in model container
[2024-11-06 20:44:53,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:44:53" (3/3) ...
[2024-11-06 20:44:53,444 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_float.c
[2024-11-06 20:44:53,455 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 20:44:53,455 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 20:44:53,496 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 20:44:53,507 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;@be4ca88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 20:44:53,508 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 20:44:53,511 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 20:44:53,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-11-06 20:44:53,516 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 20:44:53,516 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-11-06 20:44:53,517 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 20:44:53,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 20:44:53,521 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times
[2024-11-06 20:44:53,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 20:44:53,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1664333435]
[2024-11-06 20:44:53,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 20:44:53,530 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 20:44:53,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 20:44:53,532 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)
[2024-11-06 20:44:53,534 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
[2024-11-06 20:44:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 20:44:53,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-06 20:44:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 20:44:53,607 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2024-11-06 20:44:53,610 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-06 20:44:53,611 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-06 20:44:53,616 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
[2024-11-06 20:44:53,818 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
[2024-11-06 20:44:53,821 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-06 20:44:53,829 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-06 20:44:53,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 08:44:53 BoogieIcfgContainer
[2024-11-06 20:44:53,831 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-06 20:44:53,832 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-06 20:44:53,832 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-06 20:44:53,832 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-06 20:44:53,833 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:44:53" (3/4) ...
[2024-11-06 20:44:53,833 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-06 20:44:53,851 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-06 20:44:53,852 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-06 20:44:53,853 INFO L158 Benchmark]: Toolchain (without parser) took 824.03ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 81.6MB in the end (delta: 36.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-11-06 20:44:53,854 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 117.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 20:44:53,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.66ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 107.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 20:44:53,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.79ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 105.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 20:44:53,856 INFO L158 Benchmark]: Boogie Preprocessor took 25.84ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 20:44:53,856 INFO L158 Benchmark]: RCFGBuilder took 184.58ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 95.1MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-06 20:44:53,856 INFO L158 Benchmark]: TraceAbstraction took 395.24ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 83.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 20:44:53,856 INFO L158 Benchmark]: Witness Printer took 19.82ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 81.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 20:44:53,858 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.81ms. Allocated memory is still 117.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 166.66ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 107.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 22.79ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 105.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 25.84ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 184.58ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 95.1MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 395.24ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 83.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Witness Printer took 19.82ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 81.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- CounterExampleResult [Line: 8]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L12] float x;
[L13] x = __VERIFIER_nondet_float()
[L15] CALL __VERIFIER_assert(x==x)
[L8] COND TRUE !(cond)
[L8] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-11-06 20:44:53,881 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
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE