/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/floats-cdfpl/newton_3_3.i


--------------------------------------------------------------------------------


This is Ultimate 0.2.3-dev-f954360
[2023-04-02 21:18:42,815 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-04-02 21:18:42,817 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-04-02 21:18:42,846 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-04-02 21:18:42,846 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-04-02 21:18:42,848 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-04-02 21:18:42,851 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-04-02 21:18:42,854 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2023-04-02 21:18:42,855 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-04-02 21:18:42,858 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-04-02 21:18:42,859 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2023-04-02 21:18:42,860 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-04-02 21:18:42,860 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-04-02 21:18:42,862 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-04-02 21:18:42,863 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-04-02 21:18:42,863 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-04-02 21:18:42,864 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-04-02 21:18:42,864 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-04-02 21:18:42,866 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-04-02 21:18:42,869 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-04-02 21:18:42,870 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-04-02 21:18:42,870 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-04-02 21:18:42,871 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-04-02 21:18:42,872 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-04-02 21:18:42,878 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2023-04-02 21:18:42,878 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2023-04-02 21:18:42,880 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-04-02 21:18:42,880 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-04-02 21:18:42,881 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-04-02 21:18:42,881 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-04-02 21:18:42,882 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-04-02 21:18:42,882 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-04-02 21:18:42,882 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2023-04-02 21:18:42,883 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2023-04-02 21:18:42,884 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-04-02 21:18:42,885 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf
[2023-04-02 21:18:42,907 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-04-02 21:18:42,907 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-04-02 21:18:42,908 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-04-02 21:18:42,908 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-04-02 21:18:42,908 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-04-02 21:18:42,909 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-04-02 21:18:42,909 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2023-04-02 21:18:42,909 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-04-02 21:18:42,909 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2023-04-02 21:18:42,909 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-04-02 21:18:42,910 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2023-04-02 21:18:42,910 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2023-04-02 21:18:42,910 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2023-04-02 21:18:42,910 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2023-04-02 21:18:42,910 INFO  L138        SettingsManager]:  * Interval Domain=false
[2023-04-02 21:18:42,910 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-04-02 21:18:42,910 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2023-04-02 21:18:42,910 INFO  L138        SettingsManager]:  * Simplification Technique=POLY_PAC
[2023-04-02 21:18:42,911 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-04-02 21:18:42,911 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-04-02 21:18:42,911 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-04-02 21:18:42,911 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-04-02 21:18:42,911 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-04-02 21:18:42,911 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-04-02 21:18:42,911 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-04-02 21:18:42,911 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-04-02 21:18:42,911 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-04-02 21:18:42,912 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-04-02 21:18:42,912 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-04-02 21:18:42,912 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-04-02 21:18:42,912 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-04-02 21:18:42,912 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-04-02 21:18:42,912 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-02 21:18:42,912 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-04-02 21:18:42,913 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
[2023-04-02 21:18:42,913 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-04-02 21:18:42,913 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-04-02 21:18:42,913 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2023-04-02 21:18:42,913 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-04-02 21:18:42,913 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-04-02 21:18:42,913 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2023-04-02 21:18:42,913 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain
[2023-04-02 21:18:43,077 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-04-02 21:18:43,091 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-04-02 21:18:43,093 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-04-02 21:18:43,094 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-04-02 21:18:43,094 INFO  L275        PluginConnector]: CDTParser initialized
[2023-04-02 21:18:43,095 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/newton_3_3.i
[2023-04-02 21:18:44,066 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-04-02 21:18:44,212 INFO  L351              CDTParser]: Found 1 translation units.
[2023-04-02 21:18:44,212 INFO  L172              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_3_3.i
[2023-04-02 21:18:44,216 INFO  L394              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f4b8197d/ba16a9f7d02f4080aa9d6aee29e0ab65/FLAG87db11198
[2023-04-02 21:18:44,226 INFO  L402              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f4b8197d/ba16a9f7d02f4080aa9d6aee29e0ab65
[2023-04-02 21:18:44,228 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-04-02 21:18:44,228 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2023-04-02 21:18:44,229 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-04-02 21:18:44,229 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-04-02 21:18:44,233 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-04-02 21:18:44,233 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:18:44" (1/1) ...
[2023-04-02 21:18:44,234 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@95b3862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:18:44, skipping insertion in model container
[2023-04-02 21:18:44,234 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:18:44" (1/1) ...
[2023-04-02 21:18:44,238 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-04-02 21:18:44,247 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-04-02 21:18:44,333 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_3_3.i[1764,1777]
[2023-04-02 21:18:44,335 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-04-02 21:18:44,341 INFO  L203         MainTranslator]: Completed pre-run
[2023-04-02 21:18:44,352 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_3_3.i[1764,1777]
[2023-04-02 21:18:44,352 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-04-02 21:18:44,360 INFO  L208         MainTranslator]: Completed translation
[2023-04-02 21:18:44,361 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:18:44 WrapperNode
[2023-04-02 21:18:44,361 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-04-02 21:18:44,361 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-04-02 21:18:44,361 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-04-02 21:18:44,362 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-04-02 21:18:44,368 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:18:44" (1/1) ...
[2023-04-02 21:18:44,368 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:18:44" (1/1) ...
[2023-04-02 21:18:44,373 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:18:44" (1/1) ...
[2023-04-02 21:18:44,373 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:18:44" (1/1) ...
[2023-04-02 21:18:44,376 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:18:44" (1/1) ...
[2023-04-02 21:18:44,377 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:18:44" (1/1) ...
[2023-04-02 21:18:44,377 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:18:44" (1/1) ...
[2023-04-02 21:18:44,378 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:18:44" (1/1) ...
[2023-04-02 21:18:44,379 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-04-02 21:18:44,380 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-04-02 21:18:44,380 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-04-02 21:18:44,380 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-04-02 21:18:44,380 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:18:44" (1/1) ...
[2023-04-02 21:18:44,384 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-02 21:18:44,390 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-04-02 21:18:44,402 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-04-02 21:18:44,412 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-04-02 21:18:44,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2023-04-02 21:18:44,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-04-02 21:18:44,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2023-04-02 21:18:44,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-04-02 21:18:44,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure f
[2023-04-02 21:18:44,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure fp
[2023-04-02 21:18:44,433 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2023-04-02 21:18:44,433 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2023-04-02 21:18:44,433 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2023-04-02 21:18:44,433 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2023-04-02 21:18:44,434 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert
[2023-04-02 21:18:44,434 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2023-04-02 21:18:44,434 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-04-02 21:18:44,434 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-04-02 21:18:44,434 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float
[2023-04-02 21:18:44,434 INFO  L130     BoogieDeclarations]: Found specification of procedure f
[2023-04-02 21:18:44,434 INFO  L130     BoogieDeclarations]: Found specification of procedure fp
[2023-04-02 21:18:44,434 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2023-04-02 21:18:44,434 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2023-04-02 21:18:44,434 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-04-02 21:18:44,434 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-04-02 21:18:44,434 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-04-02 21:18:44,434 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-04-02 21:18:44,435 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-04-02 21:18:44,512 INFO  L236             CfgBuilder]: Building ICFG
[2023-04-02 21:18:44,513 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-04-02 21:18:44,612 INFO  L277             CfgBuilder]: Performing block encoding
[2023-04-02 21:18:44,628 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-04-02 21:18:44,628 INFO  L302             CfgBuilder]: Removed 0 assume(true) statements.
[2023-04-02 21:18:44,629 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:18:44 BoogieIcfgContainer
[2023-04-02 21:18:44,629 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-04-02 21:18:44,631 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-04-02 21:18:44,631 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-04-02 21:18:44,633 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-04-02 21:18:44,633 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 09:18:44" (1/3) ...
[2023-04-02 21:18:44,634 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e150b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:18:44, skipping insertion in model container
[2023-04-02 21:18:44,634 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:18:44" (2/3) ...
[2023-04-02 21:18:44,634 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e150b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:18:44, skipping insertion in model container
[2023-04-02 21:18:44,634 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:18:44" (3/3) ...
[2023-04-02 21:18:44,635 INFO  L112   eAbstractionObserver]: Analyzing ICFG newton_3_3.i
[2023-04-02 21:18:44,645 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-04-02 21:18:44,645 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-04-02 21:18:44,674 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-04-02 21:18:44,678 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@58ddced6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-04-02 21:18:44,678 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-04-02 21:18:44,681 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 28 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2023-04-02 21:18:44,685 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2023-04-02 21:18:44,686 INFO  L187           NwaCegarLoop]: Found error trace
[2023-04-02 21:18:44,686 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-04-02 21:18:44,686 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-04-02 21:18:44,689 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-04-02 21:18:44,690 INFO  L85        PathProgramCache]: Analyzing trace with hash 982449581, now seen corresponding path program 1 times
[2023-04-02 21:18:44,695 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-04-02 21:18:44,696 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217821565]
[2023-04-02 21:18:44,696 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-04-02 21:18:44,696 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-04-02 21:18:44,756 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-04-02 21:18:44,756 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-04-02 21:18:44,767 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-04-02 21:18:44,783 INFO  L130   FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2023-04-02 21:18:44,784 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-04-02 21:18:44,785 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-04-02 21:18:44,786 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-04-02 21:18:44,789 INFO  L445         BasicCegarLoop]: Path program histogram: [1]
[2023-04-02 21:18:44,792 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-04-02 21:18:44,804 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 09:18:44 BoogieIcfgContainer
[2023-04-02 21:18:44,804 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-04-02 21:18:44,805 INFO  L158              Benchmark]: Toolchain (without parser) took 576.54ms. Allocated memory is still 281.0MB. Free memory was 232.7MB in the beginning and 192.3MB in the end (delta: 40.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB.
[2023-04-02 21:18:44,805 INFO  L158              Benchmark]: CDTParser took 0.08ms. Allocated memory is still 199.2MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-04-02 21:18:44,806 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 131.73ms. Allocated memory is still 281.0MB. Free memory was 232.7MB in the beginning and 222.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2023-04-02 21:18:44,806 INFO  L158              Benchmark]: Boogie Preprocessor took 17.75ms. Allocated memory is still 281.0MB. Free memory was 222.2MB in the beginning and 220.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-04-02 21:18:44,806 INFO  L158              Benchmark]: RCFGBuilder took 249.95ms. Allocated memory is still 281.0MB. Free memory was 220.6MB in the beginning and 207.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2023-04-02 21:18:44,807 INFO  L158              Benchmark]: TraceAbstraction took 173.47ms. Allocated memory is still 281.0MB. Free memory was 207.0MB in the beginning and 192.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB.
[2023-04-02 21:18:44,808 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.08ms. Allocated memory is still 199.2MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 131.73ms. Allocated memory is still 281.0MB. Free memory was 232.7MB in the beginning and 222.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 17.75ms. Allocated memory is still 281.0MB. Free memory was 222.2MB in the beginning and 220.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 249.95ms. Allocated memory is still 281.0MB. Free memory was 220.6MB in the beginning and 207.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
 * TraceAbstraction took 173.47ms. Allocated memory is still 281.0MB. Free memory was 207.0MB in the beginning and 192.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB.
 * 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 call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 46. 
Possible FailurePath: 
[L39]              float IN = __VERIFIER_nondet_float();
[L40]  CALL        assume_abort_if_not(IN > -0.6f && IN < 0.6f)
       VAL         [\old(cond)=1]
[L24]  COND FALSE  !(!cond)
[L40]  RET         assume_abort_if_not(IN > -0.6f && IN < 0.6f)
       VAL         [IN=59]
[L42]  CALL, EXPR  f(IN)
       VAL         [\old(x)=59]
[L29]              return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f;
[L42]  RET, EXPR   f(IN)
       VAL         [IN=59, f(IN)=56]
[L42]  CALL, EXPR  fp(IN)
       VAL         [\old(x)=59]
[L34]              return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f;
[L42]  RET, EXPR   fp(IN)
       VAL         [IN=59, f(IN)=56, fp(IN)=55]
[L42]              float x = IN - f(IN)/fp(IN);
[L44]  CALL, EXPR  f(x)
       VAL         [\old(x)=62]
[L29]              return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f;
[L44]  RET, EXPR   f(x)
       VAL         [IN=59, f(x)=63, x=62]
[L44]  CALL, EXPR  fp(x)
       VAL         [\old(x)=62]
[L34]              return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f;
[L44]  RET, EXPR   fp(x)
       VAL         [IN=59, f(x)=63, fp(x)=60, x=62]
[L44]              x = x - f(x)/fp(x)
[L46]  CALL, EXPR  f(x)
       VAL         [\old(x)=61]
[L29]              return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f;
[L46]  RET, EXPR   f(x)
       VAL         [IN=59, f(x)=57, x=61]
[L46]  CALL, EXPR  fp(x)
       VAL         [\old(x)=61]
[L34]              return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f;
[L46]  RET, EXPR   fp(x)
       VAL         [IN=59, f(x)=57, fp(x)=58, x=61]
[L46]              x = x - f(x)/fp(x)
[L50]  COND TRUE   !(x < 0.1)
       VAL         [IN=59]
[L51]              reach_error()
       VAL         [IN=59]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 7 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2023-04-02 21:18:44,829 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...