./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_7.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_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/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_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/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_6690791d-b009-4765-b99c-23f99e7344ca/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 3df3dc3bb1738e955623753f7e0a37e4c32635ed29b967d6ef98d4204effab31
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 12:38:50,441 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 12:38:50,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 12:38:50,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 12:38:50,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 12:38:50,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 12:38:50,522 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 12:38:50,522 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 12:38:50,523 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 12:38:50,523 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 12:38:50,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 12:38:50,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 12:38:50,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 12:38:50,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 12:38:50,524 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 12:38:50,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 12:38:50,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 12:38:50,524 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 12:38:50,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 12:38:50,524 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 12:38:50,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 12:38:50,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 12:38:50,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 12:38:50,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 12:38:50,524 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 12:38:50,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 12:38:50,525 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 12:38:50,525 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 12:38:50,525 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 12:38:50,525 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:38:50,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:38:50,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:38:50,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:38:50,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 12:38:50,525 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:38:50,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:38:50,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:38:50,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:38:50,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 12:38:50,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 12:38:50,526 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 12:38:50,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 12:38:50,526 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 12:38:50,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 12:38:50,526 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 12:38:50,526 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 12:38:50,526 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 12:38:50,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 12:38:50,526 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_6690791d-b009-4765-b99c-23f99e7344ca/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 -> 3df3dc3bb1738e955623753f7e0a37e4c32635ed29b967d6ef98d4204effab31
[2024-12-02 12:38:50,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 12:38:50,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 12:38:50,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 12:38:50,765 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 12:38:50,765 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 12:38:50,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/floats-cdfpl/newton_3_7.i
[2024-12-02 12:38:53,345 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/data/3394ce3ec/5fc1e8f154594393b5741a29f188c59b/FLAGed3344aae
[2024-12-02 12:38:53,539 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 12:38:53,540 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/sv-benchmarks/c/floats-cdfpl/newton_3_7.i
[2024-12-02 12:38:53,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/data/3394ce3ec/5fc1e8f154594393b5741a29f188c59b/FLAGed3344aae
[2024-12-02 12:38:53,920 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/data/3394ce3ec/5fc1e8f154594393b5741a29f188c59b
[2024-12-02 12:38:53,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 12:38:53,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 12:38:53,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 12:38:53,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 12:38:53,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 12:38:53,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:38:53" (1/1) ...
[2024-12-02 12:38:53,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231c285b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:53, skipping insertion in model container
[2024-12-02 12:38:53,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:38:53" (1/1) ...
[2024-12-02 12:38:53,939 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 12:38:54,040 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_6690791d-b009-4765-b99c-23f99e7344ca/sv-benchmarks/c/floats-cdfpl/newton_3_7.i[1764,1777]
[2024-12-02 12:38:54,043 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:38:54,050 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 12:38:54,066 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_6690791d-b009-4765-b99c-23f99e7344ca/sv-benchmarks/c/floats-cdfpl/newton_3_7.i[1764,1777]
[2024-12-02 12:38:54,066 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:38:54,078 INFO L204 MainTranslator]: Completed translation
[2024-12-02 12:38:54,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:54 WrapperNode
[2024-12-02 12:38:54,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 12:38:54,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 12:38:54,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 12:38:54,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 12:38:54,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:54" (1/1) ...
[2024-12-02 12:38:54,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:54" (1/1) ...
[2024-12-02 12:38:54,101 INFO L138 Inliner]: procedures = 17, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34
[2024-12-02 12:38:54,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 12:38:54,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 12:38:54,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 12:38:54,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 12:38:54,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:54" (1/1) ...
[2024-12-02 12:38:54,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:54" (1/1) ...
[2024-12-02 12:38:54,110 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:54" (1/1) ...
[2024-12-02 12:38:54,120 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 12:38:54,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:54" (1/1) ...
[2024-12-02 12:38:54,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:54" (1/1) ...
[2024-12-02 12:38:54,124 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:54" (1/1) ...
[2024-12-02 12:38:54,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:54" (1/1) ...
[2024-12-02 12:38:54,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:54" (1/1) ...
[2024-12-02 12:38:54,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:54" (1/1) ...
[2024-12-02 12:38:54,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:54" (1/1) ...
[2024-12-02 12:38:54,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 12:38:54,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 12:38:54,130 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 12:38:54,130 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 12:38:54,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:54" (1/1) ...
[2024-12-02 12:38:54,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:38:54,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:38:54,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 12:38:54,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 12:38:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 12:38:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure f
[2024-12-02 12:38:54,178 INFO L138 BoogieDeclarations]: Found implementation of procedure f
[2024-12-02 12:38:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure fp
[2024-12-02 12:38:54,178 INFO L138 BoogieDeclarations]: Found implementation of procedure fp
[2024-12-02 12:38:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 12:38:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 12:38:54,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 12:38:54,229 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 12:38:54,231 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 12:38:54,332 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-12-02 12:38:54,332 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 12:38:54,340 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 12:38:54,340 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 12:38:54,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:38:54 BoogieIcfgContainer
[2024-12-02 12:38:54,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 12:38:54,343 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 12:38:54,343 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 12:38:54,348 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 12:38:54,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:38:53" (1/3) ...
[2024-12-02 12:38:54,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f4b2913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:38:54, skipping insertion in model container
[2024-12-02 12:38:54,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:54" (2/3) ...
[2024-12-02 12:38:54,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f4b2913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:38:54, skipping insertion in model container
[2024-12-02 12:38:54,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:38:54" (3/3) ...
[2024-12-02 12:38:54,351 INFO L128 eAbstractionObserver]: Analyzing ICFG newton_3_7.i
[2024-12-02 12:38:54,368 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 12:38:54,369 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG newton_3_7.i that has 3 procedures, 26 locations, 1 initial locations, 0 loop locations, and 1 error locations.
[2024-12-02 12:38:54,423 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 12:38:54,435 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;@6bac81be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 12:38:54,435 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 12:38:54,439 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 12:38:54,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-12-02 12:38:54,445 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:38:54,446 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 12:38:54,447 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:38:54,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:38:54,451 INFO L85 PathProgramCache]: Analyzing trace with hash 694828395, now seen corresponding path program 1 times
[2024-12-02 12:38:54,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:38:54,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957177344]
[2024-12-02 12:38:54,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:38:54,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:38:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:38:54,561 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 12:38:54,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:38:54,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957177344]
[2024-12-02 12:38:54,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957177344] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:38:54,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:38:54,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:38:54,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614392443]
[2024-12-02 12:38:54,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:38:54,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 12:38:54,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:38:54,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 12:38:54,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 12:38:54,584 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 12:38:54,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:38:54,598 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions.
[2024-12-02 12:38:54,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 12:38:54,599 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 12:38:54,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:38:54,603 INFO L225 Difference]: With dead ends: 49
[2024-12-02 12:38:54,603 INFO L226 Difference]: Without dead ends: 22
[2024-12-02 12:38:54,606 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 12:38:54,608 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 12:38:54,609 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 12:38:54,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2024-12-02 12:38:54,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2024-12-02 12:38:54,629 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 12:38:54,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions.
[2024-12-02 12:38:54,634 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 33
[2024-12-02 12:38:54,634 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:38:54,634 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions.
[2024-12-02 12:38:54,634 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 12:38:54,634 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions.
[2024-12-02 12:38:54,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-12-02 12:38:54,635 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:38:54,636 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 12:38:54,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 12:38:54,636 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:38:54,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:38:54,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1396428269, now seen corresponding path program 1 times
[2024-12-02 12:38:54,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:38:54,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812835141]
[2024-12-02 12:38:54,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:38:54,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:38:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 12:38:54,655 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 12:38:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 12:38:54,688 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 12:38:54,688 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 12:38:54,689 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 12:38:54,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 12:38:54,693 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-12-02 12:38:54,711 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 12:38:54,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:38:54 BoogieIcfgContainer
[2024-12-02 12:38:54,715 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 12:38:54,716 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 12:38:54,716 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 12:38:54,716 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 12:38:54,717 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:38:54" (3/4) ...
[2024-12-02 12:38:54,719 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-12-02 12:38:54,720 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 12:38:54,720 INFO L158 Benchmark]: Toolchain (without parser) took 797.30ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 70.3MB in the end (delta: 47.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2024-12-02 12:38:54,721 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.3MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:38:54,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.38ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 106.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:38:54,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.67ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:38:54,721 INFO L158 Benchmark]: Boogie Preprocessor took 26.82ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 103.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:38:54,722 INFO L158 Benchmark]: RCFGBuilder took 211.22ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 92.8MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 12:38:54,722 INFO L158 Benchmark]: TraceAbstraction took 371.69ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 70.7MB in the end (delta: 21.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 12:38:54,722 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 142.6MB. Free memory was 70.5MB in the beginning and 70.3MB in the end (delta: 186.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:38:54,724 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.3MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 154.38ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 106.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 22.67ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 26.82ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 103.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 211.22ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 92.8MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 371.69ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 70.7MB in the end (delta: 21.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Witness Printer took 4.08ms. Allocated memory is still 142.6MB. Free memory was 70.5MB in the beginning and 70.3MB in the end (delta: 186.1kB). 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 46, overapproximation of someBinaryArithmeticFLOAToperation at line 29, 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 > -1.4f && IN < 1.4f)
[L24] COND FALSE !(!cond)
[L40] RET assume_abort_if_not(IN > -1.4f && IN < 1.4f)
[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 12:38:54,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/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_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/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_6690791d-b009-4765-b99c-23f99e7344ca/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 3df3dc3bb1738e955623753f7e0a37e4c32635ed29b967d6ef98d4204effab31
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 12:38:56,694 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 12:38:56,778 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-12-02 12:38:56,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 12:38:56,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 12:38:56,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 12:38:56,805 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 12:38:56,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 12:38:56,806 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 12:38:56,806 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 12:38:56,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 12:38:56,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 12:38:56,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 12:38:56,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 12:38:56,807 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 12:38:56,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 12:38:56,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 12:38:56,807 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 12:38:56,807 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 12:38:56,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 12:38:56,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 12:38:56,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 12:38:56,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 12:38:56,808 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 12:38:56,808 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 12:38:56,808 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 12:38:56,808 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 12:38:56,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 12:38:56,808 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 12:38:56,808 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 12:38:56,808 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 12:38:56,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:38:56,808 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:38:56,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:38:56,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:38:56,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 12:38:56,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:38:56,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:38:56,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:38:56,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:38:56,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 12:38:56,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 12:38:56,809 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 12:38:56,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 12:38:56,809 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 12:38:56,810 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 12:38:56,810 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 12:38:56,810 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 12:38:56,810 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 12:38:56,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 12:38:56,810 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_6690791d-b009-4765-b99c-23f99e7344ca/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 -> 3df3dc3bb1738e955623753f7e0a37e4c32635ed29b967d6ef98d4204effab31
[2024-12-02 12:38:57,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 12:38:57,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 12:38:57,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 12:38:57,071 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 12:38:57,072 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 12:38:57,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/floats-cdfpl/newton_3_7.i
[2024-12-02 12:38:59,704 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/data/287d4c551/c0f5bd8bcb564be2aabeac93ae2eeac0/FLAG6c1abc87a
[2024-12-02 12:38:59,910 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 12:38:59,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/sv-benchmarks/c/floats-cdfpl/newton_3_7.i
[2024-12-02 12:38:59,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/data/287d4c551/c0f5bd8bcb564be2aabeac93ae2eeac0/FLAG6c1abc87a
[2024-12-02 12:38:59,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/data/287d4c551/c0f5bd8bcb564be2aabeac93ae2eeac0
[2024-12-02 12:38:59,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 12:38:59,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 12:38:59,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 12:38:59,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 12:38:59,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 12:38:59,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:38:59" (1/1) ...
[2024-12-02 12:38:59,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a280f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:59, skipping insertion in model container
[2024-12-02 12:38:59,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:38:59" (1/1) ...
[2024-12-02 12:38:59,960 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 12:39:00,112 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_6690791d-b009-4765-b99c-23f99e7344ca/sv-benchmarks/c/floats-cdfpl/newton_3_7.i[1764,1777]
[2024-12-02 12:39:00,115 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:39:00,129 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 12:39:00,147 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_6690791d-b009-4765-b99c-23f99e7344ca/sv-benchmarks/c/floats-cdfpl/newton_3_7.i[1764,1777]
[2024-12-02 12:39:00,148 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:39:00,163 INFO L204 MainTranslator]: Completed translation
[2024-12-02 12:39:00,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:00 WrapperNode
[2024-12-02 12:39:00,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 12:39:00,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 12:39:00,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 12:39:00,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 12:39:00,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:00" (1/1) ...
[2024-12-02 12:39:00,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:00" (1/1) ...
[2024-12-02 12:39:00,196 INFO L138 Inliner]: procedures = 18, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35
[2024-12-02 12:39:00,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 12:39:00,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 12:39:00,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 12:39:00,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 12:39:00,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:00" (1/1) ...
[2024-12-02 12:39:00,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:00" (1/1) ...
[2024-12-02 12:39:00,209 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:00" (1/1) ...
[2024-12-02 12:39:00,220 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 12:39:00,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:00" (1/1) ...
[2024-12-02 12:39:00,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:00" (1/1) ...
[2024-12-02 12:39:00,227 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:00" (1/1) ...
[2024-12-02 12:39:00,228 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:00" (1/1) ...
[2024-12-02 12:39:00,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:00" (1/1) ...
[2024-12-02 12:39:00,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:00" (1/1) ...
[2024-12-02 12:39:00,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:00" (1/1) ...
[2024-12-02 12:39:00,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 12:39:00,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 12:39:00,235 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 12:39:00,235 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 12:39:00,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:00" (1/1) ...
[2024-12-02 12:39:00,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:39:00,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:39:00,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 12:39:00,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 12:39:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 12:39:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure f
[2024-12-02 12:39:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure f
[2024-12-02 12:39:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 12:39:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure fp
[2024-12-02 12:39:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure fp
[2024-12-02 12:39:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 12:39:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 12:39:00,341 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 12:39:00,342 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 12:39:14,041 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live.
[2024-12-02 12:39:14,042 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 12:39:14,051 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 12:39:14,052 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 12:39:14,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:39:14 BoogieIcfgContainer
[2024-12-02 12:39:14,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 12:39:14,055 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 12:39:14,055 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 12:39:14,060 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 12:39:14,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:38:59" (1/3) ...
[2024-12-02 12:39:14,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f6af81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:39:14, skipping insertion in model container
[2024-12-02 12:39:14,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:00" (2/3) ...
[2024-12-02 12:39:14,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f6af81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:39:14, skipping insertion in model container
[2024-12-02 12:39:14,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:39:14" (3/3) ...
[2024-12-02 12:39:14,063 INFO L128 eAbstractionObserver]: Analyzing ICFG newton_3_7.i
[2024-12-02 12:39:14,078 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 12:39:14,079 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG newton_3_7.i that has 3 procedures, 26 locations, 1 initial locations, 0 loop locations, and 1 error locations.
[2024-12-02 12:39:14,125 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 12:39:14,135 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;@6733a8c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 12:39:14,135 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 12:39:14,139 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 12:39:14,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-12-02 12:39:14,149 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:39:14,150 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 12:39:14,150 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:39:14,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:39:14,154 INFO L85 PathProgramCache]: Analyzing trace with hash 694828395, now seen corresponding path program 1 times
[2024-12-02 12:39:14,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 12:39:14,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744101529]
[2024-12-02 12:39:14,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:39:14,162 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 12:39:14,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 12:39:14,164 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/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 12:39:14,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/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 12:39:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:39:17,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 12:39:17,124 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:39:17,145 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 12:39:17,146 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:39:17,146 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 12:39:17,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1744101529]
[2024-12-02 12:39:17,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1744101529] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:39:17,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:39:17,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:39:17,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172248125]
[2024-12-02 12:39:17,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:39:17,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 12:39:17,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 12:39:17,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 12:39:17,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 12:39:17,172 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 12:39:17,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:39:17,187 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions.
[2024-12-02 12:39:17,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 12:39:17,189 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 12:39:17,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:39:17,194 INFO L225 Difference]: With dead ends: 49
[2024-12-02 12:39:17,194 INFO L226 Difference]: Without dead ends: 22
[2024-12-02 12:39:17,197 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 12:39:17,200 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 12:39:17,200 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 12:39:17,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2024-12-02 12:39:17,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2024-12-02 12:39:17,226 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 12:39:17,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions.
[2024-12-02 12:39:17,230 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 33
[2024-12-02 12:39:17,231 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:39:17,231 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions.
[2024-12-02 12:39:17,231 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 12:39:17,231 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions.
[2024-12-02 12:39:17,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-12-02 12:39:17,232 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:39:17,233 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 12:39:17,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/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 12:39:17,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/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 12:39:17,433 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:39:17,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:39:17,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1396428269, now seen corresponding path program 1 times
[2024-12-02 12:39:17,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 12:39:17,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386962384]
[2024-12-02 12:39:17,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:39:17,435 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 12:39:17,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 12:39:17,436 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/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 12:39:17,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/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
[2024-12-02 12:40:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 12:40:22,370 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 12:42:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 12:42:07,265 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-12-02 12:42:07,265 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 12:42:07,267 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 12:42:07,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/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)] Forceful destruction successful, exit code 0
[2024-12-02 12:42:07,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/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 12:42:07,471 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-12-02 12:42:07,487 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 12:42:07,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:42:07 BoogieIcfgContainer
[2024-12-02 12:42:07,489 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 12:42:07,490 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 12:42:07,490 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 12:42:07,490 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 12:42:07,491 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:39:14" (3/4) ...
[2024-12-02 12:42:07,491 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-12-02 12:42:07,520 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 17.
[2024-12-02 12:42:07,571 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 12:42:07,571 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 12:42:07,571 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 12:42:07,572 INFO L158 Benchmark]: Toolchain (without parser) took 187634.81ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 44.2MB in the end (delta: 26.0MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB.
[2024-12-02 12:42:07,572 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:42:07,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.65ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 58.2MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:42:07,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.21ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 57.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:42:07,573 INFO L158 Benchmark]: Boogie Preprocessor took 37.35ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 55.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:42:07,573 INFO L158 Benchmark]: RCFGBuilder took 13817.57ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 45.4MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:42:07,574 INFO L158 Benchmark]: TraceAbstraction took 173434.29ms. Allocated memory is still 92.3MB. Free memory was 44.9MB in the beginning and 49.0MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:42:07,574 INFO L158 Benchmark]: Witness Printer took 81.64ms. Allocated memory is still 92.3MB. Free memory was 49.0MB in the beginning and 44.2MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:42:07,575 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 225.65ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 58.2MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 31.21ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 57.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 37.35ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 55.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 13817.57ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 45.4MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 173434.29ms. Allocated memory is still 92.3MB. Free memory was 44.9MB in the beginning and 49.0MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 81.64ms. Allocated memory is still 92.3MB. Free memory was 49.0MB in the beginning and 44.2MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- CounterExampleResult [Line: 51]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L39] float IN = __VERIFIER_nondet_float();
[L40] CALL assume_abort_if_not(IN > -1.4f && IN < 1.4f)
[L24] COND FALSE !(!cond)
[L40] RET assume_abort_if_not(IN > -1.4f && IN < 1.4f)
[L42] CALL, EXPR f(IN)
VAL [\old(x)=-1.31600821018219]
[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)=-1.31600821018219, \result=-0.9703972935676575]
[L42] RET, EXPR f(IN)
VAL [IN=-1.31600821018219]
[L42] CALL, EXPR fp(IN)
VAL [\old(x)=-1.31600821018219]
[L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f;
VAL [\old(x)=-1.31600821018219, \result=0.26625093817710876]
[L42] RET, EXPR fp(IN)
VAL [IN=-1.31600821018219]
[L42] float x = IN - f(IN)/fp(IN);
[L44] CALL, EXPR f(x)
VAL [\old(x)=2.3286638259887695]
[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)=2.3286638259887695, \result=0.8683680295944214]
[L44] RET, EXPR f(x)
VAL [x=2.3286638259887695]
[L44] CALL, EXPR fp(x)
VAL [\old(x)=2.3286638259887695]
[L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f;
VAL [\old(x)=2.3286638259887695, \result=-0.2646457552909851]
[L44] RET, EXPR fp(x)
VAL [x=2.3286638259887695]
[L44] x = x - f(x)/fp(x)
[L46] CALL, EXPR f(x)
VAL [\old(x)=5.609910488128662]
[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)=5.609910488128662, \result=57.18129348754883]
[L46] RET, EXPR f(x)
VAL [x=5.609910488128662]
[L46] CALL, EXPR fp(x)
VAL [\old(x)=5.609910488128662]
[L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f;
VAL [\old(x)=5.609910488128662, \result=69.82390594482422]
[L46] RET, EXPR fp(x)
VAL [x=5.609910488128662]
[L46] x = x - f(x)/fp(x)
[L50] COND TRUE !(x < 0.1)
[L51] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 173.4s, 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, 32 GetRequests, 32 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, 67.7s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 62 ConjunctsInSsa, 1 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 proved your program to be incorrect!
[2024-12-02 12:42:07,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690791d-b009-4765-b99c-23f99e7344ca/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
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE