./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_2.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1 --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 c1d4d49264539a089c5128bd7fc98307efecaf11cb51350b8359b7fe239beab3
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 06:06:28,192 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:06:28,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 06:06:28,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:06:28,255 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:06:28,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:06:28,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:06:28,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:06:28,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:06:28,277 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 06:06:28,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 06:06:28,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 06:06:28,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:06:28,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 06:06:28,278 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 06:06:28,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:06:28,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 06:06:28,279 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 06:06:28,279 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 06:06:28,279 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 06:06:28,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 06:06:28,279 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 06:06:28,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 06:06:28,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 06:06:28,279 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 06:06:28,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 06:06:28,279 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:06:28,280 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 06:06:28,280 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 06:06:28,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:06:28,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:06:28,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:06:28,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:06:28,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:06:28,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:06:28,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:06:28,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:06:28,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:06:28,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:06:28,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 06:06:28,281 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 06:06:28,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 06:06:28,281 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 06:06:28,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 06:06:28,282 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 06:06:28,282 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 06:06:28,282 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 06:06:28,282 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 06:06:28,282 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1
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 -> c1d4d49264539a089c5128bd7fc98307efecaf11cb51350b8359b7fe239beab3
[2024-12-02 06:06:28,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:06:28,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:06:28,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:06:28,524 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 06:06:28,524 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 06:06:28,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/floats-cdfpl/newton_3_2.i
[2024-12-02 06:06:31,153 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/data/a7ddf7b6f/98d141f7f8d34a85aa725fde1326da69/FLAG18b1f9ed6
[2024-12-02 06:06:31,370 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 06:06:31,371 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/sv-benchmarks/c/floats-cdfpl/newton_3_2.i
[2024-12-02 06:06:31,379 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/data/a7ddf7b6f/98d141f7f8d34a85aa725fde1326da69/FLAG18b1f9ed6
[2024-12-02 06:06:31,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/data/a7ddf7b6f/98d141f7f8d34a85aa725fde1326da69
[2024-12-02 06:06:31,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:06:31,725 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:06:31,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:06:31,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:06:31,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:06:31,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:06:31" (1/1) ...
[2024-12-02 06:06:31,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b7f9f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:31, skipping insertion in model container
[2024-12-02 06:06:31,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:06:31" (1/1) ...
[2024-12-02 06:06:31,742 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:06:31,873 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/sv-benchmarks/c/floats-cdfpl/newton_3_2.i[1764,1777]
[2024-12-02 06:06:31,876 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:06:31,885 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 06:06:31,900 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/sv-benchmarks/c/floats-cdfpl/newton_3_2.i[1764,1777]
[2024-12-02 06:06:31,900 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:06:31,912 INFO L204 MainTranslator]: Completed translation
[2024-12-02 06:06:31,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:31 WrapperNode
[2024-12-02 06:06:31,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:06:31,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:06:31,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:06:31,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:06:31,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:31" (1/1) ...
[2024-12-02 06:06:31,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:31" (1/1) ...
[2024-12-02 06:06:31,936 INFO L138 Inliner]: procedures = 17, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34
[2024-12-02 06:06:31,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:06:31,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:06:31,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:06:31,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:06:31,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:31" (1/1) ...
[2024-12-02 06:06:31,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:31" (1/1) ...
[2024-12-02 06:06:31,945 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:31" (1/1) ...
[2024-12-02 06:06:31,956 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].
[2024-12-02 06:06:31,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:31" (1/1) ...
[2024-12-02 06:06:31,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:31" (1/1) ...
[2024-12-02 06:06:31,960 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:31" (1/1) ...
[2024-12-02 06:06:31,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:31" (1/1) ...
[2024-12-02 06:06:31,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:31" (1/1) ...
[2024-12-02 06:06:31,964 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:31" (1/1) ...
[2024-12-02 06:06:31,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:31" (1/1) ...
[2024-12-02 06:06:31,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:06:31,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:06:31,967 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:06:31,967 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:06:31,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:31" (1/1) ...
[2024-12-02 06:06:31,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:06:31,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:06:31,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 06:06:31,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:06:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:06:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure f
[2024-12-02 06:06:32,015 INFO L138 BoogieDeclarations]: Found implementation of procedure f
[2024-12-02 06:06:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure fp
[2024-12-02 06:06:32,015 INFO L138 BoogieDeclarations]: Found implementation of procedure fp
[2024-12-02 06:06:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 06:06:32,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:06:32,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:06:32,072 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 06:06:32,073 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:06:32,187 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-12-02 06:06:32,187 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 06:06:32,198 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:06:32,198 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 06:06:32,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:06:32 BoogieIcfgContainer
[2024-12-02 06:06:32,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:06:32,201 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 06:06:32,201 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 06:06:32,206 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 06:06:32,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:06:31" (1/3) ...
[2024-12-02 06:06:32,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b19fd14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:06:32, skipping insertion in model container
[2024-12-02 06:06:32,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:31" (2/3) ...
[2024-12-02 06:06:32,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b19fd14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:06:32, skipping insertion in model container
[2024-12-02 06:06:32,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:06:32" (3/3) ...
[2024-12-02 06:06:32,210 INFO L128 eAbstractionObserver]: Analyzing ICFG newton_3_2.i
[2024-12-02 06:06:32,227 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 06:06:32,229 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG newton_3_2.i that has 3 procedures, 26 locations, 1 initial locations, 0 loop locations, and 1 error locations.
[2024-12-02 06:06:32,284 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:06:32,296 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;@6f5cac36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:06:32,296 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 06:06:32,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 06:06:32,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-12-02 06:06:32,307 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:06:32,308 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:06:32,308 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:06:32,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:06:32,314 INFO L85 PathProgramCache]: Analyzing trace with hash 694828395, now seen corresponding path program 1 times
[2024-12-02 06:06:32,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:06:32,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245540501]
[2024-12-02 06:06:32,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:06:32,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:06:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:06:32,442 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2024-12-02 06:06:32,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:06:32,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245540501]
[2024-12-02 06:06:32,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245540501] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:06:32,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:06:32,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 06:06:32,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337625181]
[2024-12-02 06:06:32,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:06:32,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 06:06:32,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:06:32,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 06:06:32,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 06:06:32,468 INFO L87 Difference]: Start difference. First operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2024-12-02 06:06:32,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:06:32,484 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions.
[2024-12-02 06:06:32,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 06:06:32,486 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 33
[2024-12-02 06:06:32,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:06:32,490 INFO L225 Difference]: With dead ends: 49
[2024-12-02 06:06:32,490 INFO L226 Difference]: Without dead ends: 22
[2024-12-02 06:06:32,492 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 06:06:32,494 INFO L435 NwaCegarLoop]: 29 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, 29 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:06:32,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:06:32,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2024-12-02 06:06:32,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2024-12-02 06:06:32,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 06:06:32,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions.
[2024-12-02 06:06:32,519 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 33
[2024-12-02 06:06:32,519 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:06:32,519 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions.
[2024-12-02 06:06:32,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2024-12-02 06:06:32,519 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions.
[2024-12-02 06:06:32,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-12-02 06:06:32,521 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:06:32,521 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:06:32,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 06:06:32,521 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:06:32,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:06:32,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1396428269, now seen corresponding path program 1 times
[2024-12-02 06:06:32,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:06:32,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772694429]
[2024-12-02 06:06:32,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:06:32,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:06:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:06:32,540 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:06:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:06:32,576 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 06:06:32,576 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 06:06:32,577 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 06:06:32,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 06:06:32,581 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-12-02 06:06:32,601 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 06:06:32,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:06:32 BoogieIcfgContainer
[2024-12-02 06:06:32,605 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 06:06:32,606 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 06:06:32,606 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 06:06:32,606 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 06:06:32,606 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:06:32" (3/4) ...
[2024-12-02 06:06:32,609 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-12-02 06:06:32,610 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 06:06:32,610 INFO L158 Benchmark]: Toolchain (without parser) took 885.96ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 71.3MB in the end (delta: 47.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2024-12-02 06:06:32,611 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:06:32,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.89ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 107.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:06:32,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.98ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:06:32,612 INFO L158 Benchmark]: Boogie Preprocessor took 29.42ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:06:32,612 INFO L158 Benchmark]: RCFGBuilder took 232.09ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 93.7MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 06:06:32,612 INFO L158 Benchmark]: TraceAbstraction took 403.94ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 71.6MB in the end (delta: 21.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 06:06:32,613 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 142.6MB. Free memory was 71.5MB in the beginning and 71.3MB in the end (delta: 166.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:06:32,614 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 186.89ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 107.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 22.98ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 29.42ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 232.09ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 93.7MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 403.94ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 71.6MB in the end (delta: 21.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Witness Printer took 4.16ms. Allocated memory is still 142.6MB. Free memory was 71.5MB in the beginning and 71.3MB in the end (delta: 166.2kB). 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: 51]: 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 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 42, overapproximation of someBinaryArithmeticFLOAToperation at line 29, overapproximation of someBinaryArithmeticFLOAToperation at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 34, overapproximation of someBinaryArithmeticFLOAToperation at line 44.
Possible FailurePath:
[L39] float IN = __VERIFIER_nondet_float();
[L40] CALL assume_abort_if_not(IN > -0.4f && IN < 0.4f)
[L24] COND FALSE !(!cond)
[L40] RET assume_abort_if_not(IN > -0.4f && IN < 0.4f)
[L42] CALL, EXPR f(IN)
VAL [\old(x)=53]
[L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f;
VAL [\old(x)=53]
[L42] RET, EXPR f(IN)
VAL [IN=53]
[L42] CALL, EXPR fp(IN)
VAL [\old(x)=53]
[L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f;
VAL [\old(x)=53]
[L42] RET, EXPR fp(IN)
VAL [IN=53]
[L42] float x = IN - f(IN)/fp(IN);
[L44] CALL, EXPR f(x)
VAL [\old(x)=55]
[L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f;
VAL [\old(x)=55]
[L44] RET, EXPR f(x)
VAL [IN=53, x=55]
[L44] CALL, EXPR fp(x)
VAL [\old(x)=55]
[L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f;
VAL [\old(x)=55]
[L44] RET, EXPR fp(x)
VAL [IN=53, x=55]
[L44] x = x - f(x)/fp(x)
[L46] CALL, EXPR f(x)
VAL [\old(x)=54]
[L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f;
VAL [\old(x)=54]
[L46] RET, EXPR f(x)
VAL [IN=53, x=54]
[L46] CALL, EXPR fp(x)
VAL [\old(x)=54]
[L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f;
VAL [\old(x)=54]
[L46] RET, EXPR fp(x)
VAL [IN=53, x=54]
[L46] x = x - f(x)/fp(x)
[L50] COND TRUE !(x < 0.1)
VAL [IN=53]
[L51] reach_error()
VAL [IN=53]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 29 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 18/18 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
[2024-12-02 06:06:32,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/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: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1 --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 c1d4d49264539a089c5128bd7fc98307efecaf11cb51350b8359b7fe239beab3
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 06:06:34,684 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:06:34,775 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-12-02 06:06:34,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:06:34,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:06:34,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:06:34,806 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:06:34,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:06:34,806 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:06:34,807 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 06:06:34,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 06:06:34,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 06:06:34,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:06:34,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 06:06:34,807 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 06:06:34,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:06:34,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 06:06:34,808 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 06:06:34,808 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 06:06:34,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 06:06:34,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 06:06:34,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 06:06:34,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 06:06:34,808 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 06:06:34,808 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 06:06:34,808 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 06:06:34,808 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 06:06:34,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 06:06:34,808 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:06:34,809 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 06:06:34,809 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 06:06:34,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:06:34,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:06:34,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:06:34,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:06:34,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:06:34,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:06:34,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:06:34,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:06:34,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:06:34,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:06:34,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 06:06:34,810 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 06:06:34,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 06:06:34,810 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 06:06:34,810 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 06:06:34,810 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 06:06:34,810 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 06:06:34,810 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 06:06:34,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 06:06:34,810 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1
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 -> c1d4d49264539a089c5128bd7fc98307efecaf11cb51350b8359b7fe239beab3
[2024-12-02 06:06:35,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:06:35,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:06:35,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:06:35,088 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 06:06:35,088 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 06:06:35,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/floats-cdfpl/newton_3_2.i
[2024-12-02 06:06:37,826 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/data/0bdb33696/284e3665454b4558a406433777b67e2c/FLAGdb3bc9cea
[2024-12-02 06:06:37,988 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 06:06:37,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/sv-benchmarks/c/floats-cdfpl/newton_3_2.i
[2024-12-02 06:06:37,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/data/0bdb33696/284e3665454b4558a406433777b67e2c/FLAGdb3bc9cea
[2024-12-02 06:06:38,011 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/data/0bdb33696/284e3665454b4558a406433777b67e2c
[2024-12-02 06:06:38,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:06:38,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:06:38,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:06:38,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:06:38,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:06:38,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:06:38" (1/1) ...
[2024-12-02 06:06:38,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f790fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:38, skipping insertion in model container
[2024-12-02 06:06:38,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:06:38" (1/1) ...
[2024-12-02 06:06:38,039 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:06:38,197 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/sv-benchmarks/c/floats-cdfpl/newton_3_2.i[1764,1777]
[2024-12-02 06:06:38,200 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:06:38,213 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 06:06:38,229 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/sv-benchmarks/c/floats-cdfpl/newton_3_2.i[1764,1777]
[2024-12-02 06:06:38,230 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:06:38,245 INFO L204 MainTranslator]: Completed translation
[2024-12-02 06:06:38,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:38 WrapperNode
[2024-12-02 06:06:38,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:06:38,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:06:38,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:06:38,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:06:38,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:38" (1/1) ...
[2024-12-02 06:06:38,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:38" (1/1) ...
[2024-12-02 06:06:38,278 INFO L138 Inliner]: procedures = 18, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35
[2024-12-02 06:06:38,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:06:38,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:06:38,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:06:38,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:06:38,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:38" (1/1) ...
[2024-12-02 06:06:38,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:38" (1/1) ...
[2024-12-02 06:06:38,291 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:38" (1/1) ...
[2024-12-02 06:06:38,302 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].
[2024-12-02 06:06:38,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:38" (1/1) ...
[2024-12-02 06:06:38,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:38" (1/1) ...
[2024-12-02 06:06:38,309 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:38" (1/1) ...
[2024-12-02 06:06:38,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:38" (1/1) ...
[2024-12-02 06:06:38,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:38" (1/1) ...
[2024-12-02 06:06:38,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:38" (1/1) ...
[2024-12-02 06:06:38,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:38" (1/1) ...
[2024-12-02 06:06:38,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:06:38,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:06:38,316 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:06:38,316 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:06:38,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:38" (1/1) ...
[2024-12-02 06:06:38,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:06:38,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:06:38,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 06:06:38,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:06:38,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:06:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure f
[2024-12-02 06:06:38,378 INFO L138 BoogieDeclarations]: Found implementation of procedure f
[2024-12-02 06:06:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 06:06:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure fp
[2024-12-02 06:06:38,378 INFO L138 BoogieDeclarations]: Found implementation of procedure fp
[2024-12-02 06:06:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:06:38,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:06:38,437 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 06:06:38,438 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:06:52,472 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live.
[2024-12-02 06:06:52,473 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 06:06:52,481 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:06:52,482 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 06:06:52,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:06:52 BoogieIcfgContainer
[2024-12-02 06:06:52,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:06:52,485 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 06:06:52,485 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 06:06:52,489 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 06:06:52,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:06:38" (1/3) ...
[2024-12-02 06:06:52,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4254465e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:06:52, skipping insertion in model container
[2024-12-02 06:06:52,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:38" (2/3) ...
[2024-12-02 06:06:52,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4254465e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:06:52, skipping insertion in model container
[2024-12-02 06:06:52,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:06:52" (3/3) ...
[2024-12-02 06:06:52,491 INFO L128 eAbstractionObserver]: Analyzing ICFG newton_3_2.i
[2024-12-02 06:06:52,503 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 06:06:52,505 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG newton_3_2.i that has 3 procedures, 26 locations, 1 initial locations, 0 loop locations, and 1 error locations.
[2024-12-02 06:06:52,548 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:06:52,557 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;@4dfee123, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:06:52,558 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 06:06:52,560 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 06:06:52,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-12-02 06:06:52,571 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:06:52,571 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:06:52,571 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:06:52,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:06:52,575 INFO L85 PathProgramCache]: Analyzing trace with hash 694828395, now seen corresponding path program 1 times
[2024-12-02 06:06:52,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:06:52,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [130471107]
[2024-12-02 06:06:52,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:06:52,584 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
[2024-12-02 06:06:52,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 06:06:52,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/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)
[2024-12-02 06:06:52,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 06:06:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:06:55,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 06:06:55,744 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:06:55,761 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2024-12-02 06:06:55,761 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 06:06:55,762 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 06:06:55,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [130471107]
[2024-12-02 06:06:55,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [130471107] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:06:55,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:06:55,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 06:06:55,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417285132]
[2024-12-02 06:06:55,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:06:55,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 06:06:55,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 06:06:55,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 06:06:55,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 06:06:55,781 INFO L87 Difference]: Start difference. First operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2024-12-02 06:06:55,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:06:55,794 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions.
[2024-12-02 06:06:55,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 06:06:55,796 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 33
[2024-12-02 06:06:55,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:06:55,800 INFO L225 Difference]: With dead ends: 49
[2024-12-02 06:06:55,800 INFO L226 Difference]: Without dead ends: 22
[2024-12-02 06:06:55,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 06:06:55,804 INFO L435 NwaCegarLoop]: 29 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, 29 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:06:55,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:06:55,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2024-12-02 06:06:55,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2024-12-02 06:06:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 06:06:55,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions.
[2024-12-02 06:06:55,829 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 33
[2024-12-02 06:06:55,829 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:06:55,829 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions.
[2024-12-02 06:06:55,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2024-12-02 06:06:55,830 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions.
[2024-12-02 06:06:55,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-12-02 06:06:55,831 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:06:55,831 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:06:55,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 06:06:56,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 06:06:56,032 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:06:56,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:06:56,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1396428269, now seen corresponding path program 1 times
[2024-12-02 06:06:56,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:06:56,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061011449]
[2024-12-02 06:06:56,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:06:56,033 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
[2024-12-02 06:06:56,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 06:06:56,034 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/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)
[2024-12-02 06:06:56,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b67f13d-61b9-4edd-8885-fdde8aaf3d9a/bin/uautomizer-verify-84ZbGMXZE1/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