/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-cdfpl/newton_2_5.i


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


This is Ultimate 0.2.2-dev-d966a43
[2022-01-31 07:02:53,722 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-01-31 07:02:53,724 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-01-31 07:02:53,792 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-01-31 07:02:53,792 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-01-31 07:02:53,793 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-01-31 07:02:53,794 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-01-31 07:02:53,795 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-01-31 07:02:53,797 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
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[2022-01-31 07:02:53,798 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-01-31 07:02:53,799 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-01-31 07:02:53,799 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-01-31 07:02:53,800 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-01-31 07:02:53,801 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-01-31 07:02:53,801 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-01-31 07:02:53,802 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-01-31 07:02:53,803 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-01-31 07:02:53,805 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-01-31 07:02:53,806 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-01-31 07:02:53,808 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-01-31 07:02:53,809 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-01-31 07:02:53,809 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-01-31 07:02:53,811 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-01-31 07:02:53,812 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-01-31 07:02:53,812 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2022-01-31 07:02:53,813 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-01-31 07:02:53,813 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-01-31 07:02:53,813 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-01-31 07:02:53,814 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-01-31 07:02:53,814 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-01-31 07:02:53,815 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-01-31 07:02:53,816 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-01-31 07:02:53,816 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-01-31 07:02:53,816 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-01-31 07:02:53,816 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-01-31 07:02:53,817 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-01-31 07:02:53,818 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-01-31 07:02:53,818 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2022-01-31 07:02:53,832 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-01-31 07:02:53,833 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-01-31 07:02:53,833 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-01-31 07:02:53,833 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-01-31 07:02:53,833 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-01-31 07:02:53,833 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-01-31 07:02:53,834 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-01-31 07:02:53,834 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-01-31 07:02:53,834 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-01-31 07:02:53,834 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-01-31 07:02:53,834 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-01-31 07:02:53,834 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-01-31 07:02:53,834 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-01-31 07:02:53,835 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-01-31 07:02:53,835 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-01-31 07:02:53,835 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-01-31 07:02:53,835 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-01-31 07:02:53,835 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-01-31 07:02:53,835 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-01-31 07:02:53,835 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-01-31 07:02:53,835 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-01-31 07:02:53,835 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-01-31 07:02:53,835 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-01-31 07:02:53,836 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-01-31 07:02:53,836 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-31 07:02:53,836 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-01-31 07:02:53,836 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-01-31 07:02:53,836 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-01-31 07:02:53,836 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-01-31 07:02:53,836 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-01-31 07:02:53,836 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-01-31 07:02:53,836 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-01-31 07:02:53,836 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-01-31 07:02:53,837 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-01-31 07:02:54,002 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-01-31 07:02:54,015 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-01-31 07:02:54,017 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-01-31 07:02:54,017 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-01-31 07:02:54,018 INFO  L275        PluginConnector]: CDTParser initialized
[2022-01-31 07:02:54,019 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_2_5.i
[2022-01-31 07:02:54,074 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/718850f38/ed794cc007504496a453bc520340d5c3/FLAG30f24a680
[2022-01-31 07:02:54,386 INFO  L306              CDTParser]: Found 1 translation units.
[2022-01-31 07:02:54,386 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_5.i
[2022-01-31 07:02:54,390 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/718850f38/ed794cc007504496a453bc520340d5c3/FLAG30f24a680
[2022-01-31 07:02:54,817 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/718850f38/ed794cc007504496a453bc520340d5c3
[2022-01-31 07:02:54,818 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-01-31 07:02:54,820 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-01-31 07:02:54,821 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-01-31 07:02:54,821 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-01-31 07:02:54,823 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-01-31 07:02:54,824 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 07:02:54" (1/1) ...
[2022-01-31 07:02:54,825 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b016e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:02:54, skipping insertion in model container
[2022-01-31 07:02:54,825 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 07:02:54" (1/1) ...
[2022-01-31 07:02:54,829 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-01-31 07:02:54,838 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-01-31 07:02:54,989 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_5.i[1743,1756]
[2022-01-31 07:02:54,991 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-31 07:02:54,995 INFO  L203         MainTranslator]: Completed pre-run
[2022-01-31 07:02:55,005 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_5.i[1743,1756]
[2022-01-31 07:02:55,006 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-31 07:02:55,014 INFO  L208         MainTranslator]: Completed translation
[2022-01-31 07:02:55,015 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:02:55 WrapperNode
[2022-01-31 07:02:55,015 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-01-31 07:02:55,016 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-01-31 07:02:55,016 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-01-31 07:02:55,016 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-01-31 07:02:55,023 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:02:55" (1/1) ...
[2022-01-31 07:02:55,023 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:02:55" (1/1) ...
[2022-01-31 07:02:55,028 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:02:55" (1/1) ...
[2022-01-31 07:02:55,028 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:02:55" (1/1) ...
[2022-01-31 07:02:55,031 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:02:55" (1/1) ...
[2022-01-31 07:02:55,032 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:02:55" (1/1) ...
[2022-01-31 07:02:55,033 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:02:55" (1/1) ...
[2022-01-31 07:02:55,034 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-01-31 07:02:55,035 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-01-31 07:02:55,035 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-01-31 07:02:55,035 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-01-31 07:02:55,036 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:02:55" (1/1) ...
[2022-01-31 07:02:55,041 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-31 07:02:55,051 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-31 07:02:55,060 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)
[2022-01-31 07:02:55,078 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
[2022-01-31 07:02:55,101 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2022-01-31 07:02:55,101 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-01-31 07:02:55,101 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2022-01-31 07:02:55,102 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2022-01-31 07:02:55,102 INFO  L138     BoogieDeclarations]: Found implementation of procedure f
[2022-01-31 07:02:55,104 INFO  L138     BoogieDeclarations]: Found implementation of procedure fp
[2022-01-31 07:02:55,104 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2022-01-31 07:02:55,104 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2022-01-31 07:02:55,104 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2022-01-31 07:02:55,104 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2022-01-31 07:02:55,104 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert
[2022-01-31 07:02:55,104 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2022-01-31 07:02:55,105 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-01-31 07:02:55,105 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2022-01-31 07:02:55,105 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float
[2022-01-31 07:02:55,105 INFO  L130     BoogieDeclarations]: Found specification of procedure f
[2022-01-31 07:02:55,105 INFO  L130     BoogieDeclarations]: Found specification of procedure fp
[2022-01-31 07:02:55,105 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2022-01-31 07:02:55,105 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2022-01-31 07:02:55,105 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-01-31 07:02:55,105 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-01-31 07:02:55,105 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-01-31 07:02:55,106 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-01-31 07:02:55,106 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-01-31 07:02:55,176 INFO  L234             CfgBuilder]: Building ICFG
[2022-01-31 07:02:55,177 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-01-31 07:02:55,275 INFO  L275             CfgBuilder]: Performing block encoding
[2022-01-31 07:02:55,279 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-01-31 07:02:55,280 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-01-31 07:02:55,281 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 07:02:55 BoogieIcfgContainer
[2022-01-31 07:02:55,281 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-01-31 07:02:55,282 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-01-31 07:02:55,282 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-01-31 07:02:55,285 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-01-31 07:02:55,285 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 07:02:54" (1/3) ...
[2022-01-31 07:02:55,285 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22733d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 07:02:55, skipping insertion in model container
[2022-01-31 07:02:55,286 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:02:55" (2/3) ...
[2022-01-31 07:02:55,286 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22733d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 07:02:55, skipping insertion in model container
[2022-01-31 07:02:55,286 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 07:02:55" (3/3) ...
[2022-01-31 07:02:55,287 INFO  L111   eAbstractionObserver]: Analyzing ICFG newton_2_5.i
[2022-01-31 07:02:55,290 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-01-31 07:02:55,290 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-01-31 07:02:55,321 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-01-31 07:02:55,326 INFO  L339      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=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, mLoopAccelerationTechnique=FAST_UPR
[2022-01-31 07:02:55,326 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-01-31 07:02:55,339 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 31 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2022-01-31 07:02:55,342 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2022-01-31 07:02:55,343 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-31 07:02:55,343 INFO  L514         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-31 07:02:55,344 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-31 07:02:55,347 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-31 07:02:55,348 INFO  L85        PathProgramCache]: Analyzing trace with hash -761381810, now seen corresponding path program 1 times
[2022-01-31 07:02:55,354 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-31 07:02:55,354 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342945810]
[2022-01-31 07:02:55,354 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-31 07:02:55,355 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-31 07:02:55,416 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 07:02:55,453 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2022-01-31 07:02:55,456 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 07:02:55,462 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2022-01-31 07:02:55,463 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 07:02:55,468 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2022-01-31 07:02:55,470 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 07:02:55,472 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2022-01-31 07:02:55,474 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 07:02:55,477 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2022-01-31 07:02:55,478 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 07:02:55,481 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2022-01-31 07:02:55,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-31 07:02:55,486 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2022-01-31 07:02:55,487 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-31 07:02:55,488 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342945810]
[2022-01-31 07:02:55,489 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342945810] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-31 07:02:55,489 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-31 07:02:55,490 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-01-31 07:02:55,491 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474047604]
[2022-01-31 07:02:55,492 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-31 07:02:55,495 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-01-31 07:02:55,495 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-31 07:02:55,519 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-01-31 07:02:55,520 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-01-31 07:02:55,522 INFO  L87              Difference]: Start difference. First operand  has 31 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2022-01-31 07:02:55,597 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-31 07:02:55,597 INFO  L93              Difference]: Finished difference Result 53 states and 58 transitions.
[2022-01-31 07:02:55,599 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-01-31 07:02:55,600 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 31
[2022-01-31 07:02:55,600 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-31 07:02:55,605 INFO  L225             Difference]: With dead ends: 53
[2022-01-31 07:02:55,605 INFO  L226             Difference]: Without dead ends: 26
[2022-01-31 07:02:55,616 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-01-31 07:02:55,620 INFO  L933         BasicCegarLoop]: 27 mSDtfsCounter, 15 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-31 07:02:55,621 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 30 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-31 07:02:55,633 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2022-01-31 07:02:55,660 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2022-01-31 07:02:55,661 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 26 states, 14 states have (on average 1.0) internal successors, (14), 14 states have internal predecessors, (14), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2022-01-31 07:02:55,662 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions.
[2022-01-31 07:02:55,663 INFO  L78                 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 31
[2022-01-31 07:02:55,663 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-31 07:02:55,663 INFO  L470      AbstractCegarLoop]: Abstraction has 26 states and 27 transitions.
[2022-01-31 07:02:55,663 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2022-01-31 07:02:55,664 INFO  L276                IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions.
[2022-01-31 07:02:55,665 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2022-01-31 07:02:55,665 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-31 07:02:55,665 INFO  L514         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-31 07:02:55,665 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-01-31 07:02:55,665 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-01-31 07:02:55,666 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-31 07:02:55,666 INFO  L85        PathProgramCache]: Analyzing trace with hash 1728147152, now seen corresponding path program 1 times
[2022-01-31 07:02:55,666 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-31 07:02:55,666 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124579457]
[2022-01-31 07:02:55,666 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-31 07:02:55,667 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-31 07:02:55,697 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-01-31 07:02:55,698 INFO  L352             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-01-31 07:02:55,723 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-01-31 07:02:55,739 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-01-31 07:02:55,739 INFO  L628         BasicCegarLoop]: Counterexample is feasible
[2022-01-31 07:02:55,741 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-01-31 07:02:55,742 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-01-31 07:02:55,745 INFO  L732         BasicCegarLoop]: Path program histogram: [1, 1]
[2022-01-31 07:02:55,747 INFO  L180   ceAbstractionStarter]: Computing trace abstraction results
[2022-01-31 07:02:55,772 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 07:02:55 BoogieIcfgContainer
[2022-01-31 07:02:55,772 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-01-31 07:02:55,773 INFO  L158              Benchmark]: Toolchain (without parser) took 952.19ms. Allocated memory was 208.7MB in the beginning and 349.2MB in the end (delta: 140.5MB). Free memory was 152.7MB in the beginning and 277.9MB in the end (delta: -125.2MB). Peak memory consumption was 14.8MB. Max. memory is 8.0GB.
[2022-01-31 07:02:55,773 INFO  L158              Benchmark]: CDTParser took 0.11ms. Allocated memory is still 208.7MB. Free memory is still 169.1MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-01-31 07:02:55,773 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 193.83ms. Allocated memory was 208.7MB in the beginning and 349.2MB in the end (delta: 140.5MB). Free memory was 152.6MB in the beginning and 320.3MB in the end (delta: -167.7MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB.
[2022-01-31 07:02:55,774 INFO  L158              Benchmark]: Boogie Preprocessor took 18.51ms. Allocated memory is still 349.2MB. Free memory was 320.3MB in the beginning and 318.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-01-31 07:02:55,774 INFO  L158              Benchmark]: RCFGBuilder took 246.30ms. Allocated memory is still 349.2MB. Free memory was 318.8MB in the beginning and 306.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2022-01-31 07:02:55,775 INFO  L158              Benchmark]: TraceAbstraction took 489.85ms. Allocated memory is still 349.2MB. Free memory was 306.7MB in the beginning and 277.9MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB.
[2022-01-31 07:02:55,776 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.11ms. Allocated memory is still 208.7MB. Free memory is still 169.1MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 193.83ms. Allocated memory was 208.7MB in the beginning and 349.2MB in the end (delta: 140.5MB). Free memory was 152.6MB in the beginning and 320.3MB in the end (delta: -167.7MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 18.51ms. Allocated memory is still 349.2MB. Free memory was 320.3MB in the beginning and 318.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 246.30ms. Allocated memory is still 349.2MB. Free memory was 318.8MB in the beginning and 306.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
 * TraceAbstraction took 489.85ms. Allocated memory is still 349.2MB. Free memory was 306.7MB in the beginning and 277.9MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. 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 44. 
Possible FailurePath: 
[L39]              float IN = __VERIFIER_nondet_float();
[L40]  CALL        assume_abort_if_not(IN > -1.0f && IN < 1.0f)
       VAL         [\old(cond)=1]
[L24]  COND FALSE  !(!cond)
       VAL         [\old(cond)=1, cond=1]
[L40]  RET         assume_abort_if_not(IN > -1.0f && IN < 1.0f)
       VAL         [IN=56]
[L42]  CALL, EXPR  f(IN)
       VAL         [\old(x)=56]
[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)=56, x=56]
[L42]  RET, EXPR   f(IN)
       VAL         [f(IN)=55, IN=56]
[L42]  CALL, EXPR  fp(IN)
       VAL         [\old(x)=56]
[L34]              return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f;
       VAL         [\old(x)=56, x=56]
[L42]  RET, EXPR   fp(IN)
       VAL         [f(IN)=55, fp(IN)=52, IN=56]
[L42]              float x = IN - f(IN)/fp(IN);
[L44]  CALL, EXPR  f(x)
       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]
[L44]  RET, EXPR   f(x)
       VAL         [f(x)=50, IN=56, x=53]
[L44]  CALL, EXPR  fp(x)
       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]
[L44]  RET, EXPR   fp(x)
       VAL         [f(x)=50, fp(x)=51, IN=56, x=53]
[L44]              x = x - f(x)/fp(x)
[L50]  COND TRUE   !(x < 0.1)
       VAL         [IN=56]
[L51]              reach_error()
       VAL         [IN=56]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 7 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 27 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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
[2022-01-31 07:02:55,812 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...