./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0686b.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 4f9af400
extending candidate: java
['java']
extending candidate: /usr/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/oracle-jdk-bin-*/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/openjdk-*/bin/java
['java', '/usr/bin/java']
extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java
['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java']
['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/float-newlib/float_req_bl_0686b.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '797a95f5d2ca1f6d76ea6fa52a391b975f9ddf1d0bb78f1805d7d4306e3b7f84']
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0686b.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 797a95f5d2ca1f6d76ea6fa52a391b975f9ddf1d0bb78f1805d7d4306e3b7f84
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 21:05:40,134 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 21:05:40,215 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-06 21:05:40,220 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 21:05:40,221 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 21:05:40,254 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 21:05:40,255 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 21:05:40,255 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 21:05:40,256 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 21:05:40,256 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 21:05:40,256 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 21:05:40,257 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 21:05:40,257 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 21:05:40,258 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 21:05:40,258 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 21:05:40,258 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 21:05:40,258 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 21:05:40,258 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 21:05:40,258 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-06 21:05:40,259 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 21:05:40,259 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 21:05:40,259 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 21:05:40,259 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 21:05:40,259 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 21:05:40,260 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 21:05:40,260 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 21:05:40,260 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 21:05:40,260 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 21:05:40,260 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 21:05:40,260 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 21:05:40,260 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 21:05:40,260 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 21:05:40,261 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:05:40,261 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 21:05:40,261 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 21:05:40,262 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 21:05:40,262 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-06 21:05:40,262 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-06 21:05:40,262 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 21:05:40,262 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 21:05:40,262 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 21:05:40,262 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 21:05:40,262 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
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 -> 797a95f5d2ca1f6d76ea6fa52a391b975f9ddf1d0bb78f1805d7d4306e3b7f84
[2024-11-06 21:05:40,551 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 21:05:40,559 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 21:05:40,563 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 21:05:40,564 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 21:05:40,565 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 21:05:40,567 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0686b.c
[2024-11-06 21:05:41,937 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 21:05:42,204 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 21:05:42,208 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686b.c
[2024-11-06 21:05:42,219 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/066b2fe7c/fb086ce979484905862c8e2d28887010/FLAG631aedee7
[2024-11-06 21:05:42,243 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/066b2fe7c/fb086ce979484905862c8e2d28887010
[2024-11-06 21:05:42,246 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 21:05:42,249 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 21:05:42,251 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 21:05:42,252 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 21:05:42,257 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 21:05:42,258 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:42" (1/1) ...
[2024-11-06 21:05:42,260 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b476596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:42, skipping insertion in model container
[2024-11-06 21:05:42,261 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:42" (1/1) ...
[2024-11-06 21:05:42,280 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 21:05:42,496 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686b.c[5269,5282]
[2024-11-06 21:05:42,501 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:05:42,516 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 21:05:42,577 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686b.c[5269,5282]
[2024-11-06 21:05:42,579 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:05:42,604 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 21:05:42,605 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:42 WrapperNode
[2024-11-06 21:05:42,606 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 21:05:42,607 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 21:05:42,608 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 21:05:42,608 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 21:05:42,614 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:42" (1/1) ...
[2024-11-06 21:05:42,627 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:42" (1/1) ...
[2024-11-06 21:05:42,666 INFO  L138                Inliner]: procedures = 20, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 231
[2024-11-06 21:05:42,666 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 21:05:42,667 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 21:05:42,667 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 21:05:42,667 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 21:05:42,679 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:42" (1/1) ...
[2024-11-06 21:05:42,679 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:42" (1/1) ...
[2024-11-06 21:05:42,688 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:42" (1/1) ...
[2024-11-06 21:05:42,697 WARN  L109           MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS
[2024-11-06 21:05:42,697 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:42" (1/1) ...
[2024-11-06 21:05:42,697 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:42" (1/1) ...
[2024-11-06 21:05:42,717 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:42" (1/1) ...
[2024-11-06 21:05:42,726 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:42" (1/1) ...
[2024-11-06 21:05:42,732 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:42" (1/1) ...
[2024-11-06 21:05:42,733 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:42" (1/1) ...
[2024-11-06 21:05:42,740 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 21:05:42,743 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 21:05:42,743 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 21:05:42,743 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 21:05:42,745 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:42" (1/1) ...
[2024-11-06 21:05:42,751 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:05:42,764 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 21:05:42,780 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-06 21:05:42,784 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-06 21:05:42,805 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 21:05:42,806 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-06 21:05:42,807 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~real
[2024-11-06 21:05:42,807 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-06 21:05:42,807 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real
[2024-11-06 21:05:42,807 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-11-06 21:05:42,807 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real
[2024-11-06 21:05:42,807 INFO  L130     BoogieDeclarations]: Found specification of procedure fabs_float
[2024-11-06 21:05:42,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure fabs_float
[2024-11-06 21:05:42,807 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 21:05:42,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 21:05:42,807 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-11-06 21:05:42,808 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~real
[2024-11-06 21:05:42,808 INFO  L130     BoogieDeclarations]: Found specification of procedure atan_float
[2024-11-06 21:05:42,808 INFO  L138     BoogieDeclarations]: Found implementation of procedure atan_float
[2024-11-06 21:05:42,808 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-06 21:05:42,939 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 21:05:42,941 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 21:05:43,430 INFO  L?                        ?]: Removed 66 outVars from TransFormulas that were not future-live.
[2024-11-06 21:05:43,430 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 21:05:43,439 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 21:05:43,440 INFO  L316             CfgBuilder]: Removed 14 assume(true) statements.
[2024-11-06 21:05:43,440 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:05:43 BoogieIcfgContainer
[2024-11-06 21:05:43,440 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 21:05:43,443 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 21:05:43,443 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 21:05:43,448 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 21:05:43,448 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:05:42" (1/3) ...
[2024-11-06 21:05:43,449 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbfbe33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:05:43, skipping insertion in model container
[2024-11-06 21:05:43,449 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:42" (2/3) ...
[2024-11-06 21:05:43,450 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbfbe33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:05:43, skipping insertion in model container
[2024-11-06 21:05:43,450 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:05:43" (3/3) ...
[2024-11-06 21:05:43,451 INFO  L112   eAbstractionObserver]: Analyzing ICFG float_req_bl_0686b.c
[2024-11-06 21:05:43,464 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 21:05:43,465 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 21:05:43,535 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 21:05:43,549 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@68debc9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 21:05:43,549 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 21:05:43,554 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 91 states, 83 states have (on average 1.6626506024096386) internal successors, (138), 84 states have internal predecessors, (138), 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)
[2024-11-06 21:05:43,559 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-06 21:05:43,559 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 21:05:43,560 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:05:43,560 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:05:43,563 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:05:43,563 INFO  L85        PathProgramCache]: Analyzing trace with hash 1138118697, now seen corresponding path program 1 times
[2024-11-06 21:05:43,569 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 21:05:43,570 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390647697]
[2024-11-06 21:05:43,570 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:05:43,570 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 21:05:43,691 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:05:43,806 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 21:05:43,807 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 21:05:43,807 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390647697]
[2024-11-06 21:05:43,807 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390647697] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:05:43,808 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:05:43,808 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 21:05:43,809 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90238580]
[2024-11-06 21:05:43,810 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:05:43,813 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 21:05:43,814 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 21:05:43,828 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 21:05:43,829 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 21:05:43,831 INFO  L87              Difference]: Start difference. First operand  has 91 states, 83 states have (on average 1.6626506024096386) internal successors, (138), 84 states have internal predecessors, (138), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:05:43,858 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:05:43,860 INFO  L93              Difference]: Finished difference Result 180 states and 294 transitions.
[2024-11-06 21:05:43,861 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 21:05:43,862 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2024-11-06 21:05:43,862 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:05:43,868 INFO  L225             Difference]: With dead ends: 180
[2024-11-06 21:05:43,868 INFO  L226             Difference]: Without dead ends: 88
[2024-11-06 21:05:43,872 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 21:05:43,874 INFO  L432           NwaCegarLoop]: 131 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, 131 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-06 21:05:43,875 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 21:05:43,885 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2024-11-06 21:05:43,900 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88.
[2024-11-06 21:05:43,901 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 88 states, 81 states have (on average 1.4814814814814814) internal successors, (120), 81 states have internal predecessors, (120), 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)
[2024-11-06 21:05:43,906 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 128 transitions.
[2024-11-06 21:05:43,908 INFO  L78                 Accepts]: Start accepts. Automaton has 88 states and 128 transitions. Word has length 10
[2024-11-06 21:05:43,908 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:05:43,908 INFO  L471      AbstractCegarLoop]: Abstraction has 88 states and 128 transitions.
[2024-11-06 21:05:43,909 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:05:43,909 INFO  L276                IsEmpty]: Start isEmpty. Operand 88 states and 128 transitions.
[2024-11-06 21:05:43,909 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-06 21:05:43,909 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 21:05:43,910 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:05:43,910 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-06 21:05:43,910 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:05:43,911 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:05:43,911 INFO  L85        PathProgramCache]: Analyzing trace with hash -1466181550, now seen corresponding path program 1 times
[2024-11-06 21:05:43,911 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 21:05:43,911 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404227583]
[2024-11-06 21:05:43,911 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:05:43,911 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 21:05:44,011 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 21:05:44,011 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-06 21:05:44,068 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 21:05:44,100 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-06 21:05:44,100 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-06 21:05:44,102 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-06 21:05:44,105 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-06 21:05:44,108 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-06 21:05:44,143 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-06 21:05:44,148 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:05:44 BoogieIcfgContainer
[2024-11-06 21:05:44,151 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-06 21:05:44,152 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-06 21:05:44,152 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-06 21:05:44,152 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-06 21:05:44,154 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:05:43" (3/4) ...
[2024-11-06 21:05:44,155 INFO  L145         WitnessPrinter]: No result that supports witness generation found
[2024-11-06 21:05:44,156 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-06 21:05:44,157 INFO  L158              Benchmark]: Toolchain (without parser) took 1909.79ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 47.9MB in the end (delta: 44.1MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB.
[2024-11-06 21:05:44,157 INFO  L158              Benchmark]: CDTParser took 0.71ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:05:44,158 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 355.39ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 77.6MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-06 21:05:44,158 INFO  L158              Benchmark]: Boogie Procedure Inliner took 59.53ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 75.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:05:44,158 INFO  L158              Benchmark]: Boogie Preprocessor took 75.10ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 73.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:05:44,158 INFO  L158              Benchmark]: RCFGBuilder took 697.11ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 48.5MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-06 21:05:44,158 INFO  L158              Benchmark]: TraceAbstraction took 708.37ms. Allocated memory is still 117.4MB. Free memory was 47.8MB in the beginning and 47.9MB in the end (delta: -136.4kB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB.
[2024-11-06 21:05:44,159 INFO  L158              Benchmark]: Witness Printer took 4.49ms. Allocated memory is still 117.4MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:05:44,160 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.71ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 355.39ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 77.6MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 59.53ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 75.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 75.10ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 73.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 697.11ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 48.5MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * TraceAbstraction took 708.37ms. Allocated memory is still 117.4MB. Free memory was 47.8MB in the beginning and 47.9MB in the end (delta: -136.4kB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB.
 * Witness Printer took 4.49ms. Allocated memory is still 117.4MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - UnprovableResult [Line: 231]: 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 230, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 137. 
Possible FailurePath: 
[L29-L34]                static const float atanhi_atan[] = {
    4.6364760399e-01,
    7.8539812565e-01,
    9.8279368877e-01,
    1.5707962513e+00,
};
[L36-L41]                static const float atanlo_atan[] = {
    5.0121582440e-09,
    3.7748947079e-08,
    3.4473217170e-08,
    7.5497894159e-08,
};
[L43-L47]                static const float aT_atan[] = {
    3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01,
    9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02,
    4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02,
};
[L49-L51]                static const float one_atan = 1.0, huge_atan = 1.0e30,
                   pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00,
                   pi = 3.1415927410e+00;
[L117-L118]              static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0,
                   pi_lo_atan2 = -8.7422776573e-08;
             VAL         [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
[L224]                   float x = 1.0f / 0.0f;
[L225]                   float y = -1.0f / 0.0f;
[L227]       CALL, EXPR  __ieee754_atan2f(y, x)
[L121]                   float z;
[L122]                   __int32_t k, m, hx, hy, ix, iy;
             VAL         [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000036, y=1000000000000000000000000000038, zero_atan2=0]
[L125]                   ieee_float_shape_type gf_u;
[L126]                   gf_u.value = (x)
[L127]       EXPR        gf_u.word
[L127]                   (hx) = gf_u.word
[L129]                   ix = hx & 0x7fffffff
             VAL         [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-8388606, ix=2139095042, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000036, y=1000000000000000000000000000038, zero_atan2=0]
[L131]                   ieee_float_shape_type gf_u;
[L132]                   gf_u.value = (y)
[L133]       EXPR        gf_u.word
[L133]                   (hy) = gf_u.word
[L135]                   iy = hy & 0x7fffffff
             VAL         [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-8388606, hy=-8388607, ix=2139095042, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000036, y=1000000000000000000000000000038, zero_atan2=0]
[L136]       COND TRUE   ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L)
[L137]                   return x + y;
             VAL         [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-8388606, hy=-8388607, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000036, y=1000000000000000000000000000038, zero_atan2=0]
[L227]       RET, EXPR   __ieee754_atan2f(y, x)
[L227]                   float res = __ieee754_atan2f(y, x);
[L230]       COND TRUE   res != -pi_o_4
             VAL         [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
[L231]                   reach_error()
             VAL         [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, 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, 131 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, 131 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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
[2024-11-06 21:05:44,185 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0686b.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 797a95f5d2ca1f6d76ea6fa52a391b975f9ddf1d0bb78f1805d7d4306e3b7f84
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 21:05:46,407 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 21:05:46,522 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-06 21:05:46,534 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 21:05:46,535 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 21:05:46,566 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 21:05:46,567 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 21:05:46,567 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 21:05:46,567 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 21:05:46,568 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 21:05:46,568 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 21:05:46,568 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 21:05:46,568 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 21:05:46,568 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 21:05:46,568 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 21:05:46,569 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 21:05:46,569 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 21:05:46,569 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 21:05:46,569 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 21:05:46,569 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 21:05:46,569 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 21:05:46,569 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 21:05:46,569 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 21:05:46,569 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 21:05:46,569 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 21:05:46,569 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 21:05:46,569 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 21:05:46,569 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 21:05:46,570 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 21:05:46,570 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 21:05:46,570 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 21:05:46,570 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 21:05:46,570 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 21:05:46,570 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 21:05:46,570 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:05:46,572 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 21:05:46,572 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 21:05:46,572 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 21:05:46,572 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 21:05:46,572 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 21:05:46,572 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 21:05:46,572 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 21:05:46,572 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 21:05:46,573 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 21:05:46,573 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
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 -> 797a95f5d2ca1f6d76ea6fa52a391b975f9ddf1d0bb78f1805d7d4306e3b7f84
[2024-11-06 21:05:46,868 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 21:05:46,874 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 21:05:46,878 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 21:05:46,879 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 21:05:46,880 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 21:05:46,882 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0686b.c
[2024-11-06 21:05:48,298 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 21:05:48,524 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 21:05:48,529 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686b.c
[2024-11-06 21:05:48,546 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e20e23edc/9e7cb8d3a77347cb9bfbb198b0a38655/FLAG012892941
[2024-11-06 21:05:48,567 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e20e23edc/9e7cb8d3a77347cb9bfbb198b0a38655
[2024-11-06 21:05:48,570 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 21:05:48,572 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 21:05:48,575 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 21:05:48,575 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 21:05:48,579 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 21:05:48,580 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:48" (1/1) ...
[2024-11-06 21:05:48,583 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12de3d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:48, skipping insertion in model container
[2024-11-06 21:05:48,584 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:48" (1/1) ...
[2024-11-06 21:05:48,603 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 21:05:48,830 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686b.c[5269,5282]
[2024-11-06 21:05:48,833 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:05:48,856 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 21:05:48,916 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686b.c[5269,5282]
[2024-11-06 21:05:48,921 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:05:48,941 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 21:05:48,942 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:48 WrapperNode
[2024-11-06 21:05:48,943 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 21:05:48,944 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 21:05:48,945 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 21:05:48,945 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 21:05:48,953 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:48" (1/1) ...
[2024-11-06 21:05:48,966 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:48" (1/1) ...
[2024-11-06 21:05:48,988 INFO  L138                Inliner]: procedures = 23, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 216
[2024-11-06 21:05:48,989 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 21:05:48,990 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 21:05:48,990 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 21:05:48,990 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 21:05:48,998 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:48" (1/1) ...
[2024-11-06 21:05:48,998 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:48" (1/1) ...
[2024-11-06 21:05:49,005 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:48" (1/1) ...
[2024-11-06 21:05:49,032 INFO  L175           MemorySlicer]: Split 53 memory accesses to 11 slices as follows [2, 2, 7, 7, 2, 2, 23, 2, 2, 2, 2]. 43 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 4, 4, 0, 0, 0, 0, 0, 0, 0]. The 19 writes are split as follows [0, 1, 0, 0, 1, 1, 12, 1, 1, 1, 1].
[2024-11-06 21:05:49,033 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:48" (1/1) ...
[2024-11-06 21:05:49,033 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:48" (1/1) ...
[2024-11-06 21:05:49,066 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:48" (1/1) ...
[2024-11-06 21:05:49,070 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:48" (1/1) ...
[2024-11-06 21:05:49,074 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:48" (1/1) ...
[2024-11-06 21:05:49,080 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:48" (1/1) ...
[2024-11-06 21:05:49,091 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 21:05:49,092 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 21:05:49,092 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 21:05:49,092 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 21:05:49,093 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:48" (1/1) ...
[2024-11-06 21:05:49,103 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:05:49,118 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 21:05:49,132 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-06 21:05:49,136 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-06 21:05:49,160 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 21:05:49,161 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0
[2024-11-06 21:05:49,161 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1
[2024-11-06 21:05:49,161 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2
[2024-11-06 21:05:49,161 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3
[2024-11-06 21:05:49,161 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4
[2024-11-06 21:05:49,161 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5
[2024-11-06 21:05:49,161 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6
[2024-11-06 21:05:49,162 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7
[2024-11-06 21:05:49,162 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8
[2024-11-06 21:05:49,162 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9
[2024-11-06 21:05:49,163 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10
[2024-11-06 21:05:49,163 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 21:05:49,163 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-06 21:05:49,163 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-06 21:05:49,163 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-06 21:05:49,163 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2024-11-06 21:05:49,164 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2024-11-06 21:05:49,164 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6
[2024-11-06 21:05:49,164 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7
[2024-11-06 21:05:49,164 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8
[2024-11-06 21:05:49,164 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9
[2024-11-06 21:05:49,165 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10
[2024-11-06 21:05:49,165 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-06 21:05:49,165 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2024-11-06 21:05:49,165 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2024-11-06 21:05:49,165 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2
[2024-11-06 21:05:49,166 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3
[2024-11-06 21:05:49,166 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4
[2024-11-06 21:05:49,166 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5
[2024-11-06 21:05:49,166 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6
[2024-11-06 21:05:49,166 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7
[2024-11-06 21:05:49,166 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8
[2024-11-06 21:05:49,166 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure fabs_float
[2024-11-06 21:05:49,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure fabs_float
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4
[2024-11-06 21:05:49,167 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5
[2024-11-06 21:05:49,168 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6
[2024-11-06 21:05:49,168 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7
[2024-11-06 21:05:49,168 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8
[2024-11-06 21:05:49,168 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9
[2024-11-06 21:05:49,168 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10
[2024-11-06 21:05:49,168 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 21:05:49,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 21:05:49,168 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-11-06 21:05:49,168 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-11-06 21:05:49,168 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2
[2024-11-06 21:05:49,168 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3
[2024-11-06 21:05:49,172 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4
[2024-11-06 21:05:49,172 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5
[2024-11-06 21:05:49,173 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6
[2024-11-06 21:05:49,173 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7
[2024-11-06 21:05:49,173 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8
[2024-11-06 21:05:49,173 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9
[2024-11-06 21:05:49,173 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10
[2024-11-06 21:05:49,173 INFO  L130     BoogieDeclarations]: Found specification of procedure atan_float
[2024-11-06 21:05:49,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure atan_float
[2024-11-06 21:05:49,173 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-06 21:05:49,173 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-06 21:05:49,173 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-11-06 21:05:49,173 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3
[2024-11-06 21:05:49,173 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4
[2024-11-06 21:05:49,173 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5
[2024-11-06 21:05:49,173 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6
[2024-11-06 21:05:49,173 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7
[2024-11-06 21:05:49,173 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8
[2024-11-06 21:05:49,173 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9
[2024-11-06 21:05:49,173 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10
[2024-11-06 21:05:49,173 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-06 21:05:49,376 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 21:05:49,378 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 21:06:04,991 INFO  L?                        ?]: Removed 76 outVars from TransFormulas that were not future-live.
[2024-11-06 21:06:04,991 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 21:06:05,002 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 21:06:05,003 INFO  L316             CfgBuilder]: Removed 14 assume(true) statements.
[2024-11-06 21:06:05,003 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:06:05 BoogieIcfgContainer
[2024-11-06 21:06:05,003 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 21:06:05,006 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 21:06:05,006 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 21:06:05,011 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 21:06:05,011 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:05:48" (1/3) ...
[2024-11-06 21:06:05,012 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c70d8d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:06:05, skipping insertion in model container
[2024-11-06 21:06:05,012 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:48" (2/3) ...
[2024-11-06 21:06:05,012 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c70d8d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:06:05, skipping insertion in model container
[2024-11-06 21:06:05,012 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:06:05" (3/3) ...
[2024-11-06 21:06:05,013 INFO  L112   eAbstractionObserver]: Analyzing ICFG float_req_bl_0686b.c
[2024-11-06 21:06:05,028 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 21:06:05,028 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 21:06:05,078 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 21:06:05,091 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3ddf2d87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 21:06:05,091 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 21:06:05,096 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 84 states, 76 states have (on average 1.6710526315789473) internal successors, (127), 77 states have internal predecessors, (127), 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)
[2024-11-06 21:06:05,101 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-06 21:06:05,101 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 21:06:05,102 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:06:05,102 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:06:05,106 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:06:05,107 INFO  L85        PathProgramCache]: Analyzing trace with hash 1138093872, now seen corresponding path program 1 times
[2024-11-06 21:06:05,116 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:06:05,117 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67006834]
[2024-11-06 21:06:05,119 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:06:05,120 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 21:06:05,120 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:06:05,124 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 21:06:05,125 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-06 21:06:05,982 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:06:06,015 INFO  L255         TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 21:06:06,018 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:06:06,058 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 21:06:06,058 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:06:06,059 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:06:06,059 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67006834]
[2024-11-06 21:06:06,061 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [67006834] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:06:06,061 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:06:06,062 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 21:06:06,064 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686467258]
[2024-11-06 21:06:06,064 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:06:06,068 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 21:06:06,068 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:06:06,080 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 21:06:06,081 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 21:06:06,082 INFO  L87              Difference]: Start difference. First operand  has 84 states, 76 states have (on average 1.6710526315789473) internal successors, (127), 77 states have internal predecessors, (127), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:06:06,103 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:06:06,104 INFO  L93              Difference]: Finished difference Result 166 states and 272 transitions.
[2024-11-06 21:06:06,105 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 21:06:06,106 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2024-11-06 21:06:06,106 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:06:06,112 INFO  L225             Difference]: With dead ends: 166
[2024-11-06 21:06:06,112 INFO  L226             Difference]: Without dead ends: 81
[2024-11-06 21:06:06,116 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 21:06:06,118 INFO  L432           NwaCegarLoop]: 120 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, 120 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-06 21:06:06,118 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 21:06:06,129 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2024-11-06 21:06:06,151 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81.
[2024-11-06 21:06:06,153 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 81 states, 74 states have (on average 1.472972972972973) internal successors, (109), 74 states have internal predecessors, (109), 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)
[2024-11-06 21:06:06,161 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 117 transitions.
[2024-11-06 21:06:06,163 INFO  L78                 Accepts]: Start accepts. Automaton has 81 states and 117 transitions. Word has length 10
[2024-11-06 21:06:06,163 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:06:06,163 INFO  L471      AbstractCegarLoop]: Abstraction has 81 states and 117 transitions.
[2024-11-06 21:06:06,165 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:06:06,165 INFO  L276                IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions.
[2024-11-06 21:06:06,165 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-06 21:06:06,165 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 21:06:06,165 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:06:06,197 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-06 21:06:06,366 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 21:06:06,367 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:06:06,368 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:06:06,368 INFO  L85        PathProgramCache]: Analyzing trace with hash -1466206375, now seen corresponding path program 1 times
[2024-11-06 21:06:06,369 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:06:06,369 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [751831325]
[2024-11-06 21:06:06,369 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:06:06,369 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 21:06:06,369 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:06:06,371 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 21:06:06,374 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-06 21:06:07,276 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:06:07,314 INFO  L255         TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-11-06 21:06:07,317 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:06:07,584 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-11-06 21:06:07,623 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18
[2024-11-06 21:06:08,265 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-11-06 21:06:08,301 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19
[2024-11-06 21:06:09,193 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 21:06:09,193 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:06:09,193 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:06:09,193 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [751831325]
[2024-11-06 21:06:09,193 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [751831325] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:06:09,193 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:06:09,193 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-06 21:06:09,193 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576878627]
[2024-11-06 21:06:09,193 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:06:09,194 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-06 21:06:09,194 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:06:09,195 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-06 21:06:09,195 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-06 21:06:09,195 INFO  L87              Difference]: Start difference. First operand 81 states and 117 transitions. Second operand  has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:06:11,684 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:06:11,685 INFO  L93              Difference]: Finished difference Result 95 states and 138 transitions.
[2024-11-06 21:06:11,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-06 21:06:11,687 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2024-11-06 21:06:11,687 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:06:11,687 INFO  L225             Difference]: With dead ends: 95
[2024-11-06 21:06:11,687 INFO  L226             Difference]: Without dead ends: 25
[2024-11-06 21:06:11,688 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2024-11-06 21:06:11,688 INFO  L432           NwaCegarLoop]: 16 mSDtfsCounter, 92 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-06 21:06:11,688 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 35 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-06 21:06:11,689 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-11-06 21:06:11,691 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24.
[2024-11-06 21:06:11,691 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:06:11,691 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions.
[2024-11-06 21:06:11,692 INFO  L78                 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 12
[2024-11-06 21:06:11,692 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:06:11,692 INFO  L471      AbstractCegarLoop]: Abstraction has 24 states and 27 transitions.
[2024-11-06 21:06:11,692 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:06:11,692 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions.
[2024-11-06 21:06:11,692 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-11-06 21:06:11,692 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 21:06:11,692 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:06:11,720 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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)] Ended with exit code 0
[2024-11-06 21:06:11,893 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 21:06:11,893 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:06:11,894 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:06:11,894 INFO  L85        PathProgramCache]: Analyzing trace with hash 276434516, now seen corresponding path program 1 times
[2024-11-06 21:06:11,894 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:06:11,894 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109220758]
[2024-11-06 21:06:11,894 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:06:11,894 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 21:06:11,894 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:06:11,896 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 21:06:11,897 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 (4)] Waiting until timeout for monitored process
[2024-11-06 21:06:12,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:06:12,756 INFO  L255         TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-06 21:06:12,761 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:06:13,854 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 21:06:13,854 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:06:13,854 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:06:13,854 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2109220758]
[2024-11-06 21:06:13,855 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2109220758] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:06:13,855 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:06:13,855 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-06 21:06:13,855 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97722761]
[2024-11-06 21:06:13,855 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:06:13,855 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-06 21:06:13,855 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:06:13,856 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-06 21:06:13,856 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-06 21:06:13,856 INFO  L87              Difference]: Start difference. First operand 24 states and 27 transitions. Second operand  has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:06:15,238 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:06:15,239 INFO  L93              Difference]: Finished difference Result 29 states and 31 transitions.
[2024-11-06 21:06:15,239 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-06 21:06:15,239 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18
[2024-11-06 21:06:15,239 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:06:15,239 INFO  L225             Difference]: With dead ends: 29
[2024-11-06 21:06:15,239 INFO  L226             Difference]: Without dead ends: 25
[2024-11-06 21:06:15,240 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2024-11-06 21:06:15,240 INFO  L432           NwaCegarLoop]: 17 mSDtfsCounter, 38 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-06 21:06:15,240 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 45 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-06 21:06:15,241 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-11-06 21:06:15,243 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24.
[2024-11-06 21:06:15,243 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:06:15,243 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions.
[2024-11-06 21:06:15,244 INFO  L78                 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 18
[2024-11-06 21:06:15,244 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:06:15,244 INFO  L471      AbstractCegarLoop]: Abstraction has 24 states and 25 transitions.
[2024-11-06 21:06:15,244 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:06:15,244 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions.
[2024-11-06 21:06:15,244 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-11-06 21:06:15,245 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 21:06:15,245 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:06:15,272 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 (4)] Ended with exit code 0
[2024-11-06 21:06:15,445 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 21:06:15,445 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:06:15,446 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:06:15,446 INFO  L85        PathProgramCache]: Analyzing trace with hash -21897249, now seen corresponding path program 1 times
[2024-11-06 21:06:15,446 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:06:15,446 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1938880824]
[2024-11-06 21:06:15,447 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:06:15,447 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 21:06:15,447 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:06:15,450 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 21:06:15,452 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 (5)] Waiting until timeout for monitored process
[2024-11-06 21:06:16,274 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:06:16,306 INFO  L255         TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-06 21:06:16,307 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:06:18,148 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 21:06:18,149 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:06:18,149 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:06:18,149 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1938880824]
[2024-11-06 21:06:18,149 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1938880824] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:06:18,149 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:06:18,149 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-06 21:06:18,149 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479708044]
[2024-11-06 21:06:18,149 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:06:18,150 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-06 21:06:18,150 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:06:18,150 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-06 21:06:18,150 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-06 21:06:18,150 INFO  L87              Difference]: Start difference. First operand 24 states and 25 transitions. Second operand  has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:06:20,900 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:06:20,901 INFO  L93              Difference]: Finished difference Result 28 states and 28 transitions.
[2024-11-06 21:06:20,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-06 21:06:20,906 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2024-11-06 21:06:20,906 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:06:20,907 INFO  L225             Difference]: With dead ends: 28
[2024-11-06 21:06:20,907 INFO  L226             Difference]: Without dead ends: 24
[2024-11-06 21:06:20,907 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-06 21:06:20,907 INFO  L432           NwaCegarLoop]: 19 mSDtfsCounter, 11 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-11-06 21:06:20,908 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 55 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-11-06 21:06:20,908 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2024-11-06 21:06:20,910 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2024-11-06 21:06:20,910 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:06:20,911 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions.
[2024-11-06 21:06:20,911 INFO  L78                 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 19
[2024-11-06 21:06:20,911 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:06:20,911 INFO  L471      AbstractCegarLoop]: Abstraction has 24 states and 24 transitions.
[2024-11-06 21:06:20,911 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:06:20,911 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions.
[2024-11-06 21:06:20,911 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-11-06 21:06:20,911 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 21:06:20,912 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:06:20,938 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 (5)] Ended with exit code 0
[2024-11-06 21:06:21,112 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 21:06:21,112 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:06:21,113 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:06:21,113 INFO  L85        PathProgramCache]: Analyzing trace with hash 390650810, now seen corresponding path program 1 times
[2024-11-06 21:06:21,113 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:06:21,113 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [162047500]
[2024-11-06 21:06:21,113 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:06:21,113 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 21:06:21,113 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:06:21,115 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 21:06:21,116 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 (6)] Waiting until timeout for monitored process
[2024-11-06 21:06:21,918 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:06:21,950 INFO  L255         TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-11-06 21:06:21,952 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:06:23,679 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 21:06:23,679 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:06:23,680 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:06:23,680 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [162047500]
[2024-11-06 21:06:23,680 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [162047500] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:06:23,680 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:06:23,680 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-06 21:06:23,680 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482387580]
[2024-11-06 21:06:23,680 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:06:23,680 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-06 21:06:23,680 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:06:23,680 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-06 21:06:23,681 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-06 21:06:23,681 INFO  L87              Difference]: Start difference. First operand 24 states and 24 transitions. Second operand  has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:06:25,296 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:06:25,297 INFO  L93              Difference]: Finished difference Result 24 states and 24 transitions.
[2024-11-06 21:06:25,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-06 21:06:25,297 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21
[2024-11-06 21:06:25,297 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:06:25,297 INFO  L225             Difference]: With dead ends: 24
[2024-11-06 21:06:25,297 INFO  L226             Difference]: Without dead ends: 0
[2024-11-06 21:06:25,297 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2024-11-06 21:06:25,298 INFO  L432           NwaCegarLoop]: 8 mSDtfsCounter, 30 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-06 21:06:25,298 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 23 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-06 21:06:25,299 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-06 21:06:25,299 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-06 21:06:25,299 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:06:25,299 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-06 21:06:25,300 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21
[2024-11-06 21:06:25,300 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:06:25,300 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-06 21:06:25,300 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:06:25,300 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-06 21:06:25,300 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-06 21:06:25,302 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-06 21:06:25,333 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 (6)] Ended with exit code 0
[2024-11-06 21:06:25,503 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 21:06:25,506 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-11-06 21:06:25,508 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-06 21:06:26,329 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-06 21:06:26,343 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_float
[2024-11-06 21:06:26,344 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_float
[2024-11-06 21:06:26,344 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_float
[2024-11-06 21:06:26,347 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_float
[2024-11-06 21:06:26,347 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_float
[2024-11-06 21:06:26,347 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_float
[2024-11-06 21:06:26,348 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:06:26 BoogieIcfgContainer
[2024-11-06 21:06:26,348 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-06 21:06:26,349 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-06 21:06:26,349 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-06 21:06:26,349 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-06 21:06:26,350 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:06:05" (3/4) ...
[2024-11-06 21:06:26,351 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-06 21:06:26,356 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float
[2024-11-06 21:06:26,356 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float
[2024-11-06 21:06:26,367 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges
[2024-11-06 21:06:26,367 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2024-11-06 21:06:26,368 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-06 21:06:26,368 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-06 21:06:26,460 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-06 21:06:26,460 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-06 21:06:26,460 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-06 21:06:26,461 INFO  L158              Benchmark]: Toolchain (without parser) took 37888.99ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 47.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB.
[2024-11-06 21:06:26,461 INFO  L158              Benchmark]: CDTParser took 1.21ms. Allocated memory is still 83.9MB. Free memory was 65.7MB in the beginning and 65.7MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:06:26,461 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 369.09ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 45.7MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-06 21:06:26,463 INFO  L158              Benchmark]: Boogie Procedure Inliner took 44.52ms. Allocated memory is still 83.9MB. Free memory was 45.7MB in the beginning and 43.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:06:26,463 INFO  L158              Benchmark]: Boogie Preprocessor took 101.67ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 39.0MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 21:06:26,463 INFO  L158              Benchmark]: RCFGBuilder took 15911.22ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 44.7MB in the end (delta: -5.7MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB.
[2024-11-06 21:06:26,463 INFO  L158              Benchmark]: TraceAbstraction took 21342.66ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 54.0MB in the end (delta: -9.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB.
[2024-11-06 21:06:26,463 INFO  L158              Benchmark]: Witness Printer took 111.41ms. Allocated memory is still 83.9MB. Free memory was 54.0MB in the beginning and 47.3MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 21:06:26,464 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 1.21ms. Allocated memory is still 83.9MB. Free memory was 65.7MB in the beginning and 65.7MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 369.09ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 45.7MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 44.52ms. Allocated memory is still 83.9MB. Free memory was 45.7MB in the beginning and 43.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 101.67ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 39.0MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * RCFGBuilder took 15911.22ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 44.7MB in the end (delta: -5.7MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB.
 * TraceAbstraction took 21342.66ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 54.0MB in the end (delta: -9.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB.
 * Witness Printer took 111.41ms. Allocated memory is still 83.9MB. Free memory was 54.0MB in the beginning and 47.3MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_float
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_float
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_float
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_float
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_float
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_float
 * 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
  - PositiveResult [Line: 231]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 171 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 171 mSDsluCounter, 278 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 98 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 180 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=0, InterpolantAutomatonStates: 28, 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, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 75 ConstructedInterpolants, 32 QuantifiedInterpolants, 1227 SizeOfPredicates, 24 NumberOfNonLiveVariables, 671 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 198]: Loop Invariant
    Derived loop invariant: null
  - InvariantResult [Line: 124]: Loop Invariant
    Derived loop invariant: null
  - InvariantResult [Line: 16]: Loop Invariant
    Derived loop invariant: null
  - InvariantResult [Line: 57]: Loop Invariant
    Derived loop invariant: null
  - InvariantResult [Line: 203]: Loop Invariant
    Derived loop invariant: null
  - InvariantResult [Line: 130]: Loop Invariant
    Derived loop invariant: null
  - InvariantResult [Line: 21]: Loop Invariant
    Derived loop invariant: null
  - ProcedureContractResult [Line: 14]: Procedure Contract for fabs_float
    Derived contract for procedure fabs_float. Requires: 0 Ensures: (0 && ((((((((one_atan == \old(one_atan)) && (huge_atan == \old(huge_atan))) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (tiny_atan2 == \old(tiny_atan2))) && (zero_atan2 == \old(zero_atan2))) && (pi_lo_atan2 == \old(pi_lo_atan2))))
  - ProcedureContractResult [Line: 53]: Procedure Contract for atan_float
    Derived contract for procedure atan_float. Requires: 0 Ensures: (0 && ((((((((one_atan == \old(one_atan)) && (huge_atan == \old(huge_atan))) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (tiny_atan2 == \old(tiny_atan2))) && (zero_atan2 == \old(zero_atan2))) && (pi_lo_atan2 == \old(pi_lo_atan2))))
RESULT: Ultimate proved your program to be correct!
[2024-11-06 21:06:26,626 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE