./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_5.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu --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 799e2ca02ed318ae0a435976e98168672daf7c64e071ba008e9464d075c9d350
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:05:19,055 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:05:19,172 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 08:05:19,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:05:19,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:05:19,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:05:19,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:05:19,201 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:05:19,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:05:19,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:05:19,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:05:19,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:05:19,205 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:05:19,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:05:19,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 08:05:19,207 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 08:05:19,207 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 08:05:19,208 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 08:05:19,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:05:19,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 08:05:19,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:05:19,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 08:05:19,210 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 08:05:19,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:05:19,211 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:05:19,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:05:19,212 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:05:19,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:05:19,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:05:19,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:05:19,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:05:19,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 08:05:19,215 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 08:05:19,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 08:05:19,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:05:19,216 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 08:05:19,216 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:05:19,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:05:19,216 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:05:19,217 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 799e2ca02ed318ae0a435976e98168672daf7c64e071ba008e9464d075c9d350
[2023-11-19 08:05:19,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:05:19,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:05:19,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:05:19,544 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:05:19,545 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:05:19,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/floats-cdfpl/newton_2_5.i
[2023-11-19 08:05:22,667 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:05:22,864 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:05:22,865 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/sv-benchmarks/c/floats-cdfpl/newton_2_5.i
[2023-11-19 08:05:22,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/data/d1b8520bb/dd4d947f38db460f82538c292096ba70/FLAGa69889d20
[2023-11-19 08:05:22,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/data/d1b8520bb/dd4d947f38db460f82538c292096ba70
[2023-11-19 08:05:22,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:05:22,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:05:22,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:05:22,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:05:22,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:05:22,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:22" (1/1) ...
[2023-11-19 08:05:22,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c132e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:22, skipping insertion in model container
[2023-11-19 08:05:22,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:22" (1/1) ...
[2023-11-19 08:05:22,932 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:05:23,106 WARN L240 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_06d28d68-3907-4048-af1d-cd6012ba734a/sv-benchmarks/c/floats-cdfpl/newton_2_5.i[1743,1756]
[2023-11-19 08:05:23,110 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:05:23,122 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:05:23,144 WARN L240 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_06d28d68-3907-4048-af1d-cd6012ba734a/sv-benchmarks/c/floats-cdfpl/newton_2_5.i[1743,1756]
[2023-11-19 08:05:23,145 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:05:23,164 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:05:23,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:23 WrapperNode
[2023-11-19 08:05:23,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:05:23,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:05:23,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:05:23,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:05:23,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:23" (1/1) ...
[2023-11-19 08:05:23,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:23" (1/1) ...
[2023-11-19 08:05:23,198 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29
[2023-11-19 08:05:23,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:05:23,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:05:23,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:05:23,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:05:23,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:23" (1/1) ...
[2023-11-19 08:05:23,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:23" (1/1) ...
[2023-11-19 08:05:23,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:23" (1/1) ...
[2023-11-19 08:05:23,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:23" (1/1) ...
[2023-11-19 08:05:23,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:23" (1/1) ...
[2023-11-19 08:05:23,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:23" (1/1) ...
[2023-11-19 08:05:23,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:23" (1/1) ...
[2023-11-19 08:05:23,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:23" (1/1) ...
[2023-11-19 08:05:23,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:05:23,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:05:23,227 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:05:23,227 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:05:23,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:23" (1/1) ...
[2023-11-19 08:05:23,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:05:23,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:05:23,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:05:23,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:05:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:05:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure f
[2023-11-19 08:05:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure f
[2023-11-19 08:05:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure fp
[2023-11-19 08:05:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure fp
[2023-11-19 08:05:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 08:05:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:05:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:05:23,376 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:05:23,379 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:05:23,479 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:05:23,487 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:05:23,487 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 08:05:23,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:23 BoogieIcfgContainer
[2023-11-19 08:05:23,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:05:23,494 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:05:23,494 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:05:23,498 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:05:23,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:22" (1/3) ...
[2023-11-19 08:05:23,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f80f339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:23, skipping insertion in model container
[2023-11-19 08:05:23,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:23" (2/3) ...
[2023-11-19 08:05:23,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f80f339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:23, skipping insertion in model container
[2023-11-19 08:05:23,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:23" (3/3) ...
[2023-11-19 08:05:23,501 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_2_5.i
[2023-11-19 08:05:23,522 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:05:23,522 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 08:05:23,576 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:05:23,582 INFO L357 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, mHoare=true, 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;@534b8217, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:05:23,582 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 08:05:23,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 08:05:23,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-11-19 08:05:23,596 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:05:23,597 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:05:23,598 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:05:23,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:05:23,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1905727787, now seen corresponding path program 1 times
[2023-11-19 08:05:23,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:05:23,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310004072]
[2023-11-19 08:05:23,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:05:23,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:05:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:23,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2023-11-19 08:05:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:23,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 08:05:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:23,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2023-11-19 08:05:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:23,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2023-11-19 08:05:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:23,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2023-11-19 08:05:23,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:05:23,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310004072]
[2023-11-19 08:05:23,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310004072] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:05:23,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:05:23,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:05:23,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213510924]
[2023-11-19 08:05:23,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:05:23,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 08:05:23,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:05:23,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 08:05:23,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 08:05:23,865 INFO L87 Difference]: Start difference. First operand has 23 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2023-11-19 08:05:23,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:05:23,887 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions.
[2023-11-19 08:05:23,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 08:05:23,890 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 24
[2023-11-19 08:05:23,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:05:23,898 INFO L225 Difference]: With dead ends: 43
[2023-11-19 08:05:23,898 INFO L226 Difference]: Without dead ends: 19
[2023-11-19 08:05:23,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 08:05:23,905 INFO L413 NwaCegarLoop]: 24 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, 24 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
[2023-11-19 08:05:23,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:05:23,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2023-11-19 08:05:23,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2023-11-19 08:05:23,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 08:05:23,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions.
[2023-11-19 08:05:23,957 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 24
[2023-11-19 08:05:23,957 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:05:23,957 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions.
[2023-11-19 08:05:23,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2023-11-19 08:05:23,958 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions.
[2023-11-19 08:05:23,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-11-19 08:05:23,959 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:05:23,960 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:05:23,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 08:05:23,960 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:05:23,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:05:23,961 INFO L85 PathProgramCache]: Analyzing trace with hash 2124582505, now seen corresponding path program 1 times
[2023-11-19 08:05:23,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:05:23,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150488888]
[2023-11-19 08:05:23,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:05:23,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:05:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:05:23,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:05:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:05:24,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 08:05:24,030 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-19 08:05:24,032 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 08:05:24,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 08:05:24,038 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1]
[2023-11-19 08:05:24,042 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 08:05:24,055 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated
[2023-11-19 08:05:24,056 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret3 could not be translated
[2023-11-19 08:05:24,056 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated
[2023-11-19 08:05:24,057 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated
[2023-11-19 08:05:24,057 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated
[2023-11-19 08:05:24,057 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated
[2023-11-19 08:05:24,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:05:24 BoogieIcfgContainer
[2023-11-19 08:05:24,067 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 08:05:24,067 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 08:05:24,067 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 08:05:24,068 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 08:05:24,068 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:23" (3/4) ...
[2023-11-19 08:05:24,070 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-19 08:05:24,072 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 08:05:24,073 INFO L158 Benchmark]: Toolchain (without parser) took 1171.29ms. Allocated memory is still 159.4MB. Free memory was 121.1MB in the beginning and 123.5MB in the end (delta: -2.4MB). Peak memory consumption was 836.2kB. Max. memory is 16.1GB.
[2023-11-19 08:05:24,073 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 115.3MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:05:24,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.67ms. Allocated memory is still 159.4MB. Free memory was 121.1MB in the beginning and 110.4MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 08:05:24,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.78ms. Allocated memory is still 159.4MB. Free memory was 110.4MB in the beginning and 109.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:05:24,075 INFO L158 Benchmark]: Boogie Preprocessor took 26.45ms. Allocated memory is still 159.4MB. Free memory was 109.1MB in the beginning and 107.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:05:24,076 INFO L158 Benchmark]: RCFGBuilder took 264.15ms. Allocated memory is still 159.4MB. Free memory was 107.9MB in the beginning and 98.0MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-19 08:05:24,076 INFO L158 Benchmark]: TraceAbstraction took 572.83ms. Allocated memory is still 159.4MB. Free memory was 97.4MB in the beginning and 123.5MB in the end (delta: -26.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:05:24,076 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 159.4MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:05:24,080 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.52ms. Allocated memory is still 115.3MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 263.67ms. Allocated memory is still 159.4MB. Free memory was 121.1MB in the beginning and 110.4MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 31.78ms. Allocated memory is still 159.4MB. Free memory was 110.4MB in the beginning and 109.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 26.45ms. Allocated memory is still 159.4MB. Free memory was 109.1MB in the beginning and 107.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 264.15ms. Allocated memory is still 159.4MB. Free memory was 107.9MB in the beginning and 98.0MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 572.83ms. Allocated memory is still 159.4MB. Free memory was 97.4MB in the beginning and 123.5MB in the end (delta: -26.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 4.41ms. Allocated memory is still 159.4MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~ret3 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated
- GenericResult: Unfinished Backtranslation
The program execution was not completely translated back.
* 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 44.
Possible FailurePath:
[L39] float IN = __VERIFIER_nondet_float();
[L40] CALL assume_abort_if_not(IN > -1.0f && IN < 1.0f)
[L24] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1]
[L40] RET assume_abort_if_not(IN > -1.0f && IN < 1.0f)
[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, 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, 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, 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, x=55]
[L44] RET, EXPR fp(x)
VAL [IN=53, x=55]
[L44] 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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 24 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, 24 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 0.1s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2023-11-19 08:05:24,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu --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 799e2ca02ed318ae0a435976e98168672daf7c64e071ba008e9464d075c9d350
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:05:26,990 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:05:27,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-11-19 08:05:27,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:05:27,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:05:27,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:05:27,210 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:05:27,211 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:05:27,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:05:27,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:05:27,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:05:27,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:05:27,219 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:05:27,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:05:27,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 08:05:27,222 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 08:05:27,223 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 08:05:27,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:05:27,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 08:05:27,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:05:27,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 08:05:27,225 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 08:05:27,225 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-19 08:05:27,226 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 08:05:27,226 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 08:05:27,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:05:27,227 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:05:27,227 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:05:27,228 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:05:27,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:05:27,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:05:27,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:05:27,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:05:27,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 08:05:27,231 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-19 08:05:27,231 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 08:05:27,232 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:05:27,232 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 08:05:27,232 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:05:27,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:05:27,233 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-19 08:05:27,234 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:05:27,234 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 799e2ca02ed318ae0a435976e98168672daf7c64e071ba008e9464d075c9d350
[2023-11-19 08:05:27,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:05:27,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:05:27,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:05:27,699 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:05:27,699 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:05:27,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/floats-cdfpl/newton_2_5.i
[2023-11-19 08:05:31,066 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:05:31,324 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:05:31,326 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/sv-benchmarks/c/floats-cdfpl/newton_2_5.i
[2023-11-19 08:05:31,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/data/555b9a6ea/9bfe8ce094de4898aa88fd13e5ce2993/FLAG53ed59aa0
[2023-11-19 08:05:31,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/data/555b9a6ea/9bfe8ce094de4898aa88fd13e5ce2993
[2023-11-19 08:05:31,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:05:31,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:05:31,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:05:31,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:05:31,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:05:31,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:31" (1/1) ...
[2023-11-19 08:05:31,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72249d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31, skipping insertion in model container
[2023-11-19 08:05:31,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:31" (1/1) ...
[2023-11-19 08:05:31,388 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:05:31,577 WARN L240 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_06d28d68-3907-4048-af1d-cd6012ba734a/sv-benchmarks/c/floats-cdfpl/newton_2_5.i[1743,1756]
[2023-11-19 08:05:31,581 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:05:31,597 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:05:31,618 WARN L240 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_06d28d68-3907-4048-af1d-cd6012ba734a/sv-benchmarks/c/floats-cdfpl/newton_2_5.i[1743,1756]
[2023-11-19 08:05:31,618 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:05:31,636 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:05:31,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31 WrapperNode
[2023-11-19 08:05:31,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:05:31,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:05:31,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:05:31,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:05:31,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ...
[2023-11-19 08:05:31,656 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ...
[2023-11-19 08:05:31,676 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30
[2023-11-19 08:05:31,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:05:31,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:05:31,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:05:31,678 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:05:31,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ...
[2023-11-19 08:05:31,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ...
[2023-11-19 08:05:31,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ...
[2023-11-19 08:05:31,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ...
[2023-11-19 08:05:31,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ...
[2023-11-19 08:05:31,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ...
[2023-11-19 08:05:31,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ...
[2023-11-19 08:05:31,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ...
[2023-11-19 08:05:31,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:05:31,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:05:31,710 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:05:31,710 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:05:31,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (1/1) ...
[2023-11-19 08:05:31,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:05:31,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:05:31,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:05:31,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:05:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:05:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure f
[2023-11-19 08:05:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure f
[2023-11-19 08:05:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-19 08:05:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure fp
[2023-11-19 08:05:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure fp
[2023-11-19 08:05:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:05:31,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:05:31,941 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:05:31,944 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:05:40,036 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:05:40,044 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:05:40,045 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 08:05:40,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:40 BoogieIcfgContainer
[2023-11-19 08:05:40,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:05:40,051 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:05:40,051 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:05:40,055 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:05:40,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:31" (1/3) ...
[2023-11-19 08:05:40,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5daa8fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:40, skipping insertion in model container
[2023-11-19 08:05:40,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31" (2/3) ...
[2023-11-19 08:05:40,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5daa8fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:40, skipping insertion in model container
[2023-11-19 08:05:40,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:40" (3/3) ...
[2023-11-19 08:05:40,058 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_2_5.i
[2023-11-19 08:05:40,078 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:05:40,079 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 08:05:40,148 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:05:40,157 INFO L357 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, mHoare=true, 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;@4b4645c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:05:40,158 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 08:05:40,163 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 08:05:40,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-11-19 08:05:40,174 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:05:40,175 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:05:40,176 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:05:40,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:05:40,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1905727787, now seen corresponding path program 1 times
[2023-11-19 08:05:40,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 08:05:40,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [822881409]
[2023-11-19 08:05:40,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:05:40,203 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
[2023-11-19 08:05:40,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 08:05:40,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/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)
[2023-11-19 08:05:40,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 08:05:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:05:42,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-11-19 08:05:42,540 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:05:42,569 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2023-11-19 08:05:42,569 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 08:05:42,570 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 08:05:42,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [822881409]
[2023-11-19 08:05:42,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [822881409] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:05:42,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:05:42,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:05:42,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143620939]
[2023-11-19 08:05:42,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:05:42,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 08:05:42,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 08:05:42,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 08:05:42,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 08:05:42,621 INFO L87 Difference]: Start difference. First operand has 23 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2023-11-19 08:05:42,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:05:42,647 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions.
[2023-11-19 08:05:42,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 08:05:42,649 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 24
[2023-11-19 08:05:42,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:05:42,657 INFO L225 Difference]: With dead ends: 43
[2023-11-19 08:05:42,657 INFO L226 Difference]: Without dead ends: 19
[2023-11-19 08:05:42,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 08:05:42,668 INFO L413 NwaCegarLoop]: 24 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, 24 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
[2023-11-19 08:05:42,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:05:42,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2023-11-19 08:05:42,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2023-11-19 08:05:42,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 08:05:42,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions.
[2023-11-19 08:05:42,726 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 24
[2023-11-19 08:05:42,726 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:05:42,726 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions.
[2023-11-19 08:05:42,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2023-11-19 08:05:42,727 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions.
[2023-11-19 08:05:42,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-11-19 08:05:42,730 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:05:42,731 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:05:42,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0
[2023-11-19 08:05:42,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 08:05:42,957 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:05:42,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:05:42,958 INFO L85 PathProgramCache]: Analyzing trace with hash 2124582505, now seen corresponding path program 1 times
[2023-11-19 08:05:42,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 08:05:42,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136086709]
[2023-11-19 08:05:42,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:05:42,959 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
[2023-11-19 08:05:42,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 08:05:42,998 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/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)
[2023-11-19 08:05:43,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d28d68-3907-4048-af1d-cd6012ba734a/bin/uautomizer-verify-uCwYo4JHxu/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