./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0660b.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_0660b.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', '987a617ddfa597b9fd514ac45c30c05d0ba2d1aba473d81a379c621ee06eaca4']
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_0660b.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 987a617ddfa597b9fd514ac45c30c05d0ba2d1aba473d81a379c621ee06eaca4
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 21:03:51,740 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 21:03:51,816 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-06 21:03:51,822 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 21:03:51,823 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 21:03:51,842 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 21:03:51,842 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 21:03:51,843 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 21:03:51,843 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 21:03:51,843 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 21:03:51,844 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 21:03:51,844 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 21:03:51,844 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 21:03:51,844 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 21:03:51,845 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 21:03:51,845 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 21:03:51,845 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 21:03:51,845 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 21:03:51,845 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-06 21:03:51,845 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 21:03:51,845 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 21:03:51,845 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 21:03:51,845 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 21:03:51,845 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 21:03:51,845 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 21:03:51,846 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 21:03:51,846 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 21:03:51,846 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 21:03:51,846 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 21:03:51,846 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 21:03:51,846 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 21:03:51,846 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 21:03:51,846 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:03:51,846 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 21:03:51,846 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 21:03:51,847 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 21:03:51,847 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-06 21:03:51,847 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-06 21:03:51,847 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 21:03:51,847 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 21:03:51,847 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 21:03:51,847 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 21:03:51,848 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 -> 987a617ddfa597b9fd514ac45c30c05d0ba2d1aba473d81a379c621ee06eaca4
[2024-11-06 21:03:52,074 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 21:03:52,079 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 21:03:52,081 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 21:03:52,082 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 21:03:52,083 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 21:03:52,084 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c
[2024-11-06 21:03:53,189 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 21:03:53,362 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 21:03:53,363 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c
[2024-11-06 21:03:53,368 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7924aa3a4/eaabcbc1644d4842a9fe08e9e0678a82/FLAG75755e3c6
[2024-11-06 21:03:53,377 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7924aa3a4/eaabcbc1644d4842a9fe08e9e0678a82
[2024-11-06 21:03:53,378 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 21:03:53,379 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 21:03:53,380 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 21:03:53,380 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 21:03:53,383 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 21:03:53,383 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:03:53" (1/1) ...
[2024-11-06 21:03:53,384 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec5391f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53, skipping insertion in model container
[2024-11-06 21:03:53,384 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:03:53" (1/1) ...
[2024-11-06 21:03:53,397 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 21:03:53,522 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_0660b.c[5271,5284]
[2024-11-06 21:03:53,524 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:03:53,533 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 21:03:53,574 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_0660b.c[5271,5284]
[2024-11-06 21:03:53,574 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:03:53,592 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 21:03:53,592 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53 WrapperNode
[2024-11-06 21:03:53,593 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 21:03:53,594 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 21:03:53,594 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 21:03:53,595 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 21:03:53,598 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ...
[2024-11-06 21:03:53,607 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ...
[2024-11-06 21:03:53,633 INFO  L138                Inliner]: procedures = 20, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 235
[2024-11-06 21:03:53,636 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 21:03:53,638 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 21:03:53,638 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 21:03:53,638 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 21:03:53,644 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ...
[2024-11-06 21:03:53,644 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ...
[2024-11-06 21:03:53,651 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ...
[2024-11-06 21:03:53,660 WARN  L109           MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS
[2024-11-06 21:03:53,664 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ...
[2024-11-06 21:03:53,664 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ...
[2024-11-06 21:03:53,675 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ...
[2024-11-06 21:03:53,682 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ...
[2024-11-06 21:03:53,684 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ...
[2024-11-06 21:03:53,689 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ...
[2024-11-06 21:03:53,690 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 21:03:53,691 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 21:03:53,691 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 21:03:53,691 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 21:03:53,692 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ...
[2024-11-06 21:03:53,698 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:03:53,708 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 21:03:53,717 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 21:03:53,719 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 21:03:53,734 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 21:03:53,734 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-06 21:03:53,735 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~real
[2024-11-06 21:03:53,735 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-06 21:03:53,735 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real
[2024-11-06 21:03:53,735 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-11-06 21:03:53,735 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real
[2024-11-06 21:03:53,735 INFO  L130     BoogieDeclarations]: Found specification of procedure fabs_float
[2024-11-06 21:03:53,735 INFO  L138     BoogieDeclarations]: Found implementation of procedure fabs_float
[2024-11-06 21:03:53,735 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 21:03:53,736 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 21:03:53,736 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-11-06 21:03:53,736 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~real
[2024-11-06 21:03:53,736 INFO  L130     BoogieDeclarations]: Found specification of procedure atan_float
[2024-11-06 21:03:53,736 INFO  L138     BoogieDeclarations]: Found implementation of procedure atan_float
[2024-11-06 21:03:53,736 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-06 21:03:53,807 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 21:03:53,808 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 21:03:54,113 INFO  L?                        ?]: Removed 66 outVars from TransFormulas that were not future-live.
[2024-11-06 21:03:54,113 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 21:03:54,119 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 21:03:54,119 INFO  L316             CfgBuilder]: Removed 14 assume(true) statements.
[2024-11-06 21:03:54,120 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:03:54 BoogieIcfgContainer
[2024-11-06 21:03:54,120 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 21:03:54,121 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 21:03:54,121 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 21:03:54,124 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 21:03:54,124 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:03:53" (1/3) ...
[2024-11-06 21:03:54,124 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5839475e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:03:54, skipping insertion in model container
[2024-11-06 21:03:54,125 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (2/3) ...
[2024-11-06 21:03:54,125 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5839475e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:03:54, skipping insertion in model container
[2024-11-06 21:03:54,125 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:03:54" (3/3) ...
[2024-11-06 21:03:54,125 INFO  L112   eAbstractionObserver]: Analyzing ICFG float_req_bl_0660b.c
[2024-11-06 21:03:54,134 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 21:03:54,135 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 21:03:54,168 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 21:03:54,175 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;@1e811962, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 21:03:54,175 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 21:03:54,178 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 93 states, 85 states have (on average 1.6588235294117648) internal successors, (141), 86 states have internal predecessors, (141), 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 21:03:54,181 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-06 21:03:54,181 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 21:03:54,181 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:03:54,182 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:03:54,184 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:03:54,184 INFO  L85        PathProgramCache]: Analyzing trace with hash 1457392418, now seen corresponding path program 1 times
[2024-11-06 21:03:54,188 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 21:03:54,189 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109695922]
[2024-11-06 21:03:54,189 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:03:54,189 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 21:03:54,280 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:03:54,348 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 21:03:54,349 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 21:03:54,350 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109695922]
[2024-11-06 21:03:54,350 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109695922] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:03:54,350 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:03:54,351 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 21:03:54,351 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283528656]
[2024-11-06 21:03:54,352 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:03:54,354 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 21:03:54,354 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 21:03:54,363 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 21:03:54,364 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 21:03:54,365 INFO  L87              Difference]: Start difference. First operand  has 93 states, 85 states have (on average 1.6588235294117648) internal successors, (141), 86 states have internal predecessors, (141), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 21:03:54,380 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:03:54,380 INFO  L93              Difference]: Finished difference Result 183 states and 298 transitions.
[2024-11-06 21:03:54,381 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 21:03:54,382 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11
[2024-11-06 21:03:54,382 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:03:54,385 INFO  L225             Difference]: With dead ends: 183
[2024-11-06 21:03:54,385 INFO  L226             Difference]: Without dead ends: 89
[2024-11-06 21:03:54,387 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 21:03:54,388 INFO  L432           NwaCegarLoop]: 134 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, 134 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 21:03:54,389 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 21:03:54,397 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 89 states.
[2024-11-06 21:03:54,406 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89.
[2024-11-06 21:03:54,407 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 89 states, 82 states have (on average 1.475609756097561) internal successors, (121), 82 states have internal predecessors, (121), 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 21:03:54,410 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 129 transitions.
[2024-11-06 21:03:54,411 INFO  L78                 Accepts]: Start accepts. Automaton has 89 states and 129 transitions. Word has length 11
[2024-11-06 21:03:54,411 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:03:54,411 INFO  L471      AbstractCegarLoop]: Abstraction has 89 states and 129 transitions.
[2024-11-06 21:03:54,411 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 21:03:54,411 INFO  L276                IsEmpty]: Start isEmpty. Operand 89 states and 129 transitions.
[2024-11-06 21:03:54,411 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-06 21:03:54,412 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 21:03:54,412 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:03:54,412 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-06 21:03:54,412 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:03:54,412 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:03:54,413 INFO  L85        PathProgramCache]: Analyzing trace with hash 413186411, now seen corresponding path program 1 times
[2024-11-06 21:03:54,413 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 21:03:54,413 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672114302]
[2024-11-06 21:03:54,413 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:03:54,413 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 21:03:54,491 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 21:03:54,491 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-06 21:03:54,522 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 21:03:54,543 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-06 21:03:54,549 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-06 21:03:54,550 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-06 21:03:54,551 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-06 21:03:54,553 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-06 21:03:54,569 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-06 21:03:54,571 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:03:54 BoogieIcfgContainer
[2024-11-06 21:03:54,571 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-06 21:03:54,572 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-06 21:03:54,572 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-06 21:03:54,572 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-06 21:03:54,572 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:03:54" (3/4) ...
[2024-11-06 21:03:54,575 INFO  L145         WitnessPrinter]: No result that supports witness generation found
[2024-11-06 21:03:54,576 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-06 21:03:54,576 INFO  L158              Benchmark]: Toolchain (without parser) took 1197.41ms. Allocated memory is still 100.7MB. Free memory was 77.5MB in the beginning and 64.7MB in the end (delta: 12.8MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB.
[2024-11-06 21:03:54,577 INFO  L158              Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:03:54,577 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 213.10ms. Allocated memory is still 100.7MB. Free memory was 77.4MB in the beginning and 63.2MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-06 21:03:54,578 INFO  L158              Benchmark]: Boogie Procedure Inliner took 43.71ms. Allocated memory is still 100.7MB. Free memory was 63.2MB in the beginning and 61.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:03:54,578 INFO  L158              Benchmark]: Boogie Preprocessor took 52.86ms. Allocated memory is still 100.7MB. Free memory was 61.0MB in the beginning and 58.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:03:54,578 INFO  L158              Benchmark]: RCFGBuilder took 428.73ms. Allocated memory is still 100.7MB. Free memory was 58.6MB in the beginning and 71.3MB in the end (delta: -12.7MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB.
[2024-11-06 21:03:54,578 INFO  L158              Benchmark]: TraceAbstraction took 450.30ms. Allocated memory is still 100.7MB. Free memory was 70.9MB in the beginning and 64.7MB in the end (delta: 6.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB.
[2024-11-06 21:03:54,579 INFO  L158              Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 100.7MB. Free memory was 64.7MB in the beginning and 64.7MB in the end (delta: 18.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:03:54,579 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 213.10ms. Allocated memory is still 100.7MB. Free memory was 77.4MB in the beginning and 63.2MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 43.71ms. Allocated memory is still 100.7MB. Free memory was 63.2MB in the beginning and 61.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 52.86ms. Allocated memory is still 100.7MB. Free memory was 61.0MB in the beginning and 58.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 428.73ms. Allocated memory is still 100.7MB. Free memory was 58.6MB in the beginning and 71.3MB in the end (delta: -12.7MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB.
 * TraceAbstraction took 450.30ms. Allocated memory is still 100.7MB. Free memory was 70.9MB in the beginning and 64.7MB in the end (delta: 6.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB.
 * Witness Printer took 4.51ms. Allocated memory is still 100.7MB. Free memory was 64.7MB in the beginning and 64.7MB in the end (delta: 18.8kB). 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: 233]: 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 232, 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]
[L218]                   float x = __VERIFIER_nondet_float();
[L219]                   float y = 0.0f;
             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, y=0, zero_atan2=0]
[L226]       COND TRUE   x < 0.0f
[L229]       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=1000000000000000000000000000040, y=0, 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=1000000000000000000000000000040, y=0, 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=1000000000000000000000000000040, y=0, 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=1000000000000000000000000000040, y=0, zero_atan2=0]
[L229]       RET, EXPR   __ieee754_atan2f(y, x)
[L229]                   float res = __ieee754_atan2f(y, x);
[L232]       COND TRUE   res != pi
             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]
[L233]                   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, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 134 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, 134 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=93occurred 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 21:03:54,597 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_0660b.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 987a617ddfa597b9fd514ac45c30c05d0ba2d1aba473d81a379c621ee06eaca4
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 21:03:56,256 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 21:03:56,348 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-06 21:03:56,354 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 21:03:56,354 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 21:03:56,377 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 21:03:56,378 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 21:03:56,378 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 21:03:56,379 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 21:03:56,379 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 21:03:56,379 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 21:03:56,379 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 21:03:56,380 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 21:03:56,380 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 21:03:56,380 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 21:03:56,380 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 21:03:56,380 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 21:03:56,380 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 21:03:56,380 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 21:03:56,380 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 21:03:56,381 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 21:03:56,381 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 21:03:56,381 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 21:03:56,381 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 21:03:56,381 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 21:03:56,381 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 21:03:56,381 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 21:03:56,381 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 21:03:56,381 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 21:03:56,381 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 21:03:56,381 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 21:03:56,382 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 21:03:56,382 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 21:03:56,382 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 21:03:56,382 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:03:56,382 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 21:03:56,382 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 21:03:56,382 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 21:03:56,382 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 21:03:56,383 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 21:03:56,383 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 21:03:56,383 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 21:03:56,383 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 21:03:56,383 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 21:03:56,383 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 -> 987a617ddfa597b9fd514ac45c30c05d0ba2d1aba473d81a379c621ee06eaca4
[2024-11-06 21:03:56,608 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 21:03:56,613 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 21:03:56,614 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 21:03:56,615 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 21:03:56,615 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 21:03:56,616 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c
[2024-11-06 21:03:57,769 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 21:03:57,944 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 21:03:57,945 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c
[2024-11-06 21:03:57,950 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e111bcb16/d4223286d33a414a98fd15158f9b86ad/FLAGd8e9c251f
[2024-11-06 21:03:57,965 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e111bcb16/d4223286d33a414a98fd15158f9b86ad
[2024-11-06 21:03:57,967 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 21:03:57,968 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 21:03:57,968 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 21:03:57,969 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 21:03:57,971 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 21:03:57,972 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:03:57" (1/1) ...
[2024-11-06 21:03:57,972 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f448966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:57, skipping insertion in model container
[2024-11-06 21:03:57,973 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:03:57" (1/1) ...
[2024-11-06 21:03:57,988 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 21:03:58,138 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_0660b.c[5271,5284]
[2024-11-06 21:03:58,140 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:03:58,155 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 21:03:58,195 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_0660b.c[5271,5284]
[2024-11-06 21:03:58,199 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:03:58,215 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 21:03:58,216 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:58 WrapperNode
[2024-11-06 21:03:58,216 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 21:03:58,217 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 21:03:58,217 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 21:03:58,217 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 21:03:58,221 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:58" (1/1) ...
[2024-11-06 21:03:58,234 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:58" (1/1) ...
[2024-11-06 21:03:58,248 INFO  L138                Inliner]: procedures = 23, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 220
[2024-11-06 21:03:58,248 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 21:03:58,248 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 21:03:58,248 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 21:03:58,248 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 21:03:58,257 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:58" (1/1) ...
[2024-11-06 21:03:58,257 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:58" (1/1) ...
[2024-11-06 21:03:58,261 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:58" (1/1) ...
[2024-11-06 21:03:58,278 INFO  L175           MemorySlicer]: Split 53 memory accesses to 11 slices as follows [2, 2, 7, 7, 23, 2, 2, 2, 2, 2, 2]. 43 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [0, 2, 4, 4, 0, 0, 0, 0, 0, 0, 0]. The 19 writes are split as follows [1, 0, 0, 0, 12, 1, 1, 1, 1, 1, 1].
[2024-11-06 21:03:58,282 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:58" (1/1) ...
[2024-11-06 21:03:58,282 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:58" (1/1) ...
[2024-11-06 21:03:58,298 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:58" (1/1) ...
[2024-11-06 21:03:58,303 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:58" (1/1) ...
[2024-11-06 21:03:58,307 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:58" (1/1) ...
[2024-11-06 21:03:58,308 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:58" (1/1) ...
[2024-11-06 21:03:58,312 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 21:03:58,312 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 21:03:58,312 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 21:03:58,312 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 21:03:58,313 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:58" (1/1) ...
[2024-11-06 21:03:58,316 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:03:58,327 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 21:03:58,337 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 21:03:58,339 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 21:03:58,354 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 21:03:58,354 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0
[2024-11-06 21:03:58,354 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1
[2024-11-06 21:03:58,354 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2
[2024-11-06 21:03:58,354 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3
[2024-11-06 21:03:58,354 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4
[2024-11-06 21:03:58,354 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5
[2024-11-06 21:03:58,354 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6
[2024-11-06 21:03:58,354 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7
[2024-11-06 21:03:58,354 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8
[2024-11-06 21:03:58,354 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9
[2024-11-06 21:03:58,354 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10
[2024-11-06 21:03:58,354 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 21:03:58,354 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-06 21:03:58,354 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-06 21:03:58,354 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-06 21:03:58,354 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10
[2024-11-06 21:03:58,355 INFO  L130     BoogieDeclarations]: Found specification of procedure fabs_float
[2024-11-06 21:03:58,355 INFO  L138     BoogieDeclarations]: Found implementation of procedure fabs_float
[2024-11-06 21:03:58,356 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-06 21:03:58,356 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-06 21:03:58,356 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-06 21:03:58,356 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-11-06 21:03:58,356 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2024-11-06 21:03:58,356 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2024-11-06 21:03:58,356 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6
[2024-11-06 21:03:58,356 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7
[2024-11-06 21:03:58,356 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8
[2024-11-06 21:03:58,356 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9
[2024-11-06 21:03:58,356 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10
[2024-11-06 21:03:58,356 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0
[2024-11-06 21:03:58,356 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1
[2024-11-06 21:03:58,356 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 21:03:58,357 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9
[2024-11-06 21:03:58,357 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10
[2024-11-06 21:03:58,358 INFO  L130     BoogieDeclarations]: Found specification of procedure atan_float
[2024-11-06 21:03:58,358 INFO  L138     BoogieDeclarations]: Found implementation of procedure atan_float
[2024-11-06 21:03:58,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-06 21:03:58,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-06 21:03:58,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-11-06 21:03:58,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3
[2024-11-06 21:03:58,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4
[2024-11-06 21:03:58,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5
[2024-11-06 21:03:58,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6
[2024-11-06 21:03:58,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7
[2024-11-06 21:03:58,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8
[2024-11-06 21:03:58,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9
[2024-11-06 21:03:58,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10
[2024-11-06 21:03:58,358 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-06 21:03:58,476 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 21:03:58,478 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 21:04:17,814 INFO  L?                        ?]: Removed 76 outVars from TransFormulas that were not future-live.
[2024-11-06 21:04:17,814 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 21:04:17,822 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 21:04:17,823 INFO  L316             CfgBuilder]: Removed 14 assume(true) statements.
[2024-11-06 21:04:17,823 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:04:17 BoogieIcfgContainer
[2024-11-06 21:04:17,823 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 21:04:17,825 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 21:04:17,826 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 21:04:17,829 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 21:04:17,829 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:03:57" (1/3) ...
[2024-11-06 21:04:17,830 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37839e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:04:17, skipping insertion in model container
[2024-11-06 21:04:17,830 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:58" (2/3) ...
[2024-11-06 21:04:17,830 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37839e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:04:17, skipping insertion in model container
[2024-11-06 21:04:17,831 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:04:17" (3/3) ...
[2024-11-06 21:04:17,831 INFO  L112   eAbstractionObserver]: Analyzing ICFG float_req_bl_0660b.c
[2024-11-06 21:04:17,841 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 21:04:17,841 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 21:04:17,876 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 21:04:17,886 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;@900251b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 21:04:17,886 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 21:04:17,889 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 86 states, 78 states have (on average 1.6666666666666667) internal successors, (130), 79 states have internal predecessors, (130), 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 21:04:17,892 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-06 21:04:17,892 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 21:04:17,892 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:04:17,893 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:04:17,895 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:04:17,895 INFO  L85        PathProgramCache]: Analyzing trace with hash 1457367593, now seen corresponding path program 1 times
[2024-11-06 21:04:17,901 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:04:17,901 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1234626725]
[2024-11-06 21:04:17,901 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:04:17,901 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 21:04:17,902 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:04:17,904 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 21:04:17,905 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 21:04:18,586 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:04:18,616 INFO  L255         TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 21:04:18,618 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:04:18,642 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 21:04:18,643 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:04:18,643 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:04:18,643 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1234626725]
[2024-11-06 21:04:18,643 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1234626725] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:04:18,643 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:04:18,643 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 21:04:18,644 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994004582]
[2024-11-06 21:04:18,645 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:04:18,647 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 21:04:18,647 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:04:18,658 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 21:04:18,658 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 21:04:18,660 INFO  L87              Difference]: Start difference. First operand  has 86 states, 78 states have (on average 1.6666666666666667) internal successors, (130), 79 states have internal predecessors, (130), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 21:04:18,674 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:04:18,675 INFO  L93              Difference]: Finished difference Result 169 states and 276 transitions.
[2024-11-06 21:04:18,675 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 21:04:18,676 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11
[2024-11-06 21:04:18,676 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:04:18,680 INFO  L225             Difference]: With dead ends: 169
[2024-11-06 21:04:18,680 INFO  L226             Difference]: Without dead ends: 82
[2024-11-06 21:04:18,686 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 21:04:18,687 INFO  L432           NwaCegarLoop]: 123 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, 123 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 21:04:18,688 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 21:04:18,698 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 82 states.
[2024-11-06 21:04:18,708 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82.
[2024-11-06 21:04:18,711 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 82 states, 75 states have (on average 1.4666666666666666) internal successors, (110), 75 states have internal predecessors, (110), 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 21:04:18,714 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 118 transitions.
[2024-11-06 21:04:18,715 INFO  L78                 Accepts]: Start accepts. Automaton has 82 states and 118 transitions. Word has length 11
[2024-11-06 21:04:18,715 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:04:18,715 INFO  L471      AbstractCegarLoop]: Abstraction has 82 states and 118 transitions.
[2024-11-06 21:04:18,715 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 21:04:18,716 INFO  L276                IsEmpty]: Start isEmpty. Operand 82 states and 118 transitions.
[2024-11-06 21:04:18,716 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-06 21:04:18,716 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 21:04:18,716 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:04:18,742 INFO  L540       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)] Forceful destruction successful, exit code 0
[2024-11-06 21:04:18,916 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 21:04:18,916 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:04:18,917 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:04:18,917 INFO  L85        PathProgramCache]: Analyzing trace with hash 413161586, now seen corresponding path program 1 times
[2024-11-06 21:04:18,917 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:04:18,917 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1603810465]
[2024-11-06 21:04:18,917 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:04:18,917 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 21:04:18,917 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:04:18,919 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 21:04:18,920 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 21:04:19,594 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:04:19,623 INFO  L255         TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-11-06 21:04:19,625 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:04:19,899 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 21:04:19,924 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 29 treesize of output 13
[2024-11-06 21:04:22,851 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 21:04:22,851 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:04:22,851 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:04:22,851 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1603810465]
[2024-11-06 21:04:22,852 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1603810465] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:04:22,852 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:04:22,852 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-06 21:04:22,852 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164665314]
[2024-11-06 21:04:22,852 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:04:22,852 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-06 21:04:22,852 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:04:22,853 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-06 21:04:22,853 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2024-11-06 21:04:22,853 INFO  L87              Difference]: Start difference. First operand 82 states and 118 transitions. Second operand  has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 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 21:04:26,028 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:04:26,028 INFO  L93              Difference]: Finished difference Result 153 states and 217 transitions.
[2024-11-06 21:04:26,029 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-06 21:04:26,030 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 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 13
[2024-11-06 21:04:26,030 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:04:26,030 INFO  L225             Difference]: With dead ends: 153
[2024-11-06 21:04:26,030 INFO  L226             Difference]: Without dead ends: 89
[2024-11-06 21:04:26,031 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156
[2024-11-06 21:04:26,031 INFO  L432           NwaCegarLoop]: 85 mSDtfsCounter, 195 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-11-06 21:04:26,031 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 462 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-11-06 21:04:26,032 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 89 states.
[2024-11-06 21:04:26,036 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 75.
[2024-11-06 21:04:26,037 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 75 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 69 states have internal predecessors, (94), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-06 21:04:26,037 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 100 transitions.
[2024-11-06 21:04:26,037 INFO  L78                 Accepts]: Start accepts. Automaton has 75 states and 100 transitions. Word has length 13
[2024-11-06 21:04:26,037 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:04:26,038 INFO  L471      AbstractCegarLoop]: Abstraction has 75 states and 100 transitions.
[2024-11-06 21:04:26,038 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 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 21:04:26,038 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions.
[2024-11-06 21:04:26,038 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-11-06 21:04:26,038 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 21:04:26,038 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 21:04:26,063 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 21:04:26,238 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 21:04:26,239 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:04:26,239 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:04:26,239 INFO  L85        PathProgramCache]: Analyzing trace with hash -106466449, now seen corresponding path program 1 times
[2024-11-06 21:04:26,239 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:04:26,239 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [904163577]
[2024-11-06 21:04:26,240 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:04:26,240 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 21:04:26,240 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:04:26,241 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 21:04:26,242 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 21:04:26,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:04:26,958 INFO  L255         TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-06 21:04:26,960 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:04:27,074 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 21:04:27,099 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 29 treesize of output 13
[2024-11-06 21:04:27,740 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 21:04:27,740 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:04:27,740 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:04:27,740 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [904163577]
[2024-11-06 21:04:27,740 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [904163577] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:04:27,740 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:04:27,740 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-06 21:04:27,740 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486293993]
[2024-11-06 21:04:27,740 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:04:27,740 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-06 21:04:27,740 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:04:27,741 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-06 21:04:27,741 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-06 21:04:27,741 INFO  L87              Difference]: Start difference. First operand 75 states and 100 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 21:04:29,075 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:04:29,075 INFO  L93              Difference]: Finished difference Result 151 states and 204 transitions.
[2024-11-06 21:04:29,076 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-06 21:04:29,076 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 21:04:29,076 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:04:29,076 INFO  L225             Difference]: With dead ends: 151
[2024-11-06 21:04:29,077 INFO  L226             Difference]: Without dead ends: 89
[2024-11-06 21:04:29,077 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2024-11-06 21:04:29,077 INFO  L432           NwaCegarLoop]: 81 mSDtfsCounter, 154 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-06 21:04:29,077 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 310 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-06 21:04:29,078 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 89 states.
[2024-11-06 21:04:29,082 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 75.
[2024-11-06 21:04:29,083 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 75 states, 69 states have (on average 1.3333333333333333) internal successors, (92), 69 states have internal predecessors, (92), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-06 21:04:29,083 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 98 transitions.
[2024-11-06 21:04:29,083 INFO  L78                 Accepts]: Start accepts. Automaton has 75 states and 98 transitions. Word has length 18
[2024-11-06 21:04:29,083 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:04:29,083 INFO  L471      AbstractCegarLoop]: Abstraction has 75 states and 98 transitions.
[2024-11-06 21:04:29,084 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 21:04:29,084 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions.
[2024-11-06 21:04:29,084 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-11-06 21:04:29,084 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 21:04:29,085 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 21:04:29,107 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 21:04:29,288 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 21:04:29,288 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:04:29,288 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:04:29,288 INFO  L85        PathProgramCache]: Analyzing trace with hash -1527808728, now seen corresponding path program 1 times
[2024-11-06 21:04:29,289 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:04:29,289 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1192113177]
[2024-11-06 21:04:29,289 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:04:29,289 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 21:04:29,289 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:04:29,292 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 21:04:29,292 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 21:04:29,976 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:04:30,004 INFO  L255         TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-06 21:04:30,005 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:04:31,747 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 21:04:31,748 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:04:31,748 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:04:31,748 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1192113177]
[2024-11-06 21:04:31,748 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1192113177] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:04:31,748 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:04:31,748 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-06 21:04:31,748 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567390268]
[2024-11-06 21:04:31,748 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:04:31,748 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-06 21:04:31,748 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:04:31,749 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-06 21:04:31,749 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-06 21:04:31,749 INFO  L87              Difference]: Start difference. First operand 75 states and 98 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 21:04:40,699 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-06 21:04:44,705 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-06 21:04:48,708 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-06 21:04:50,730 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 21:04:55,667 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-06 21:04:58,851 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-06 21:05:03,031 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 21:05:04,094 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 21:05:05,795 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 21:05:10,005 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 21:05:13,307 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 21:05:13,971 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:05:13,971 INFO  L93              Difference]: Finished difference Result 79 states and 101 transitions.
[2024-11-06 21:05:13,987 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-06 21:05:13,987 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 21:05:13,988 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:05:13,988 INFO  L225             Difference]: With dead ends: 79
[2024-11-06 21:05:13,988 INFO  L226             Difference]: Without dead ends: 75
[2024-11-06 21:05:13,988 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 21:05:13,993 INFO  L432           NwaCegarLoop]: 75 mSDtfsCounter, 84 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.8s IncrementalHoareTripleChecker+Time
[2024-11-06 21:05:13,993 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 207 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 6 Unknown, 0 Unchecked, 41.8s Time]
[2024-11-06 21:05:13,994 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 75 states.
[2024-11-06 21:05:13,998 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75.
[2024-11-06 21:05:13,999 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 75 states, 69 states have (on average 1.3043478260869565) internal successors, (90), 69 states have internal predecessors, (90), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-06 21:05:13,999 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions.
[2024-11-06 21:05:13,999 INFO  L78                 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 19
[2024-11-06 21:05:13,999 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:05:14,000 INFO  L471      AbstractCegarLoop]: Abstraction has 75 states and 96 transitions.
[2024-11-06 21:05:14,000 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 21:05:14,000 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions.
[2024-11-06 21:05:14,000 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2024-11-06 21:05:14,000 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 21:05:14,000 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]
[2024-11-06 21:05:14,024 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 21:05:14,200 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 21:05:14,201 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:05:14,201 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:05:14,201 INFO  L85        PathProgramCache]: Analyzing trace with hash -119637528, now seen corresponding path program 1 times
[2024-11-06 21:05:14,201 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:05:14,201 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1798845095]
[2024-11-06 21:05:14,201 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:05:14,202 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 21:05:14,202 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:05:14,203 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 21:05:14,204 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 21:05:14,883 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:05:14,910 INFO  L255         TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-06 21:05:14,913 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:05:15,176 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 21:05:15,199 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 29 treesize of output 13
[2024-11-06 21:05:16,784 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 21:05:16,784 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:05:16,784 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:05:16,784 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1798845095]
[2024-11-06 21:05:16,784 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1798845095] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:05:16,784 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:05:16,784 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-06 21:05:16,784 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155976358]
[2024-11-06 21:05:16,785 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:05:16,785 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-06 21:05:16,785 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:05:16,787 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-06 21:05:16,787 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2024-11-06 21:05:16,787 INFO  L87              Difference]: Start difference. First operand 75 states and 96 transitions. Second operand  has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 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 21:05:18,354 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:05:18,354 INFO  L93              Difference]: Finished difference Result 75 states and 96 transitions.
[2024-11-06 21:05:18,354 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-06 21:05:18,354 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 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 20
[2024-11-06 21:05:18,354 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:05:18,354 INFO  L225             Difference]: With dead ends: 75
[2024-11-06 21:05:18,354 INFO  L226             Difference]: Without dead ends: 0
[2024-11-06 21:05:18,355 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182
[2024-11-06 21:05:18,355 INFO  L432           NwaCegarLoop]: 7 mSDtfsCounter, 16 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-06 21:05:18,355 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 41 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-06 21:05:18,356 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-06 21:05:18,356 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-06 21:05:18,356 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 21:05:18,356 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-06 21:05:18,356 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20
[2024-11-06 21:05:18,356 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:05:18,356 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-06 21:05:18,356 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 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 21:05:18,357 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-06 21:05:18,357 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-06 21:05:18,358 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-06 21:05:18,385 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 21:05:18,559 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 21:05:18,561 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-11-06 21:05:18,563 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-06 21:05:19,802 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-06 21:05:19,814 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_float
[2024-11-06 21:05:19,815 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_float
[2024-11-06 21:05:19,815 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_float
[2024-11-06 21:05:19,816 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_float
[2024-11-06 21:05:19,816 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_float
[2024-11-06 21:05:19,816 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_float
[2024-11-06 21:05:19,817 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:05:19 BoogieIcfgContainer
[2024-11-06 21:05:19,817 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-06 21:05:19,818 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-06 21:05:19,818 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-06 21:05:19,818 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-06 21:05:19,818 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:04:17" (3/4) ...
[2024-11-06 21:05:19,820 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-06 21:05:19,823 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float
[2024-11-06 21:05:19,823 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float
[2024-11-06 21:05:19,829 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges
[2024-11-06 21:05:19,829 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2024-11-06 21:05:19,830 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-06 21:05:19,830 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-06 21:05:19,902 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-06 21:05:19,902 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-06 21:05:19,902 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-06 21:05:19,903 INFO  L158              Benchmark]: Toolchain (without parser) took 81935.35ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 21.0MB in the end (delta: 39.0MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB.
[2024-11-06 21:05:19,903 INFO  L158              Benchmark]: CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory was 65.1MB in the beginning and 65.0MB in the end (delta: 37.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:05:19,904 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 247.72ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 44.7MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-06 21:05:19,904 INFO  L158              Benchmark]: Boogie Procedure Inliner took 31.29ms. Allocated memory is still 83.9MB. Free memory was 44.7MB in the beginning and 42.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:05:19,905 INFO  L158              Benchmark]: Boogie Preprocessor took 63.46ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 38.1MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:05:19,905 INFO  L158              Benchmark]: RCFGBuilder took 19510.94ms. Allocated memory is still 83.9MB. Free memory was 38.1MB in the beginning and 43.9MB in the end (delta: -5.8MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB.
[2024-11-06 21:05:19,905 INFO  L158              Benchmark]: TraceAbstraction took 61991.68ms. Allocated memory is still 83.9MB. Free memory was 43.4MB in the beginning and 27.8MB in the end (delta: 15.6MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB.
[2024-11-06 21:05:19,906 INFO  L158              Benchmark]: Witness Printer took 84.88ms. Allocated memory is still 83.9MB. Free memory was 27.0MB in the beginning and 21.0MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 21:05:19,908 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory was 65.1MB in the beginning and 65.0MB in the end (delta: 37.6kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 247.72ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 44.7MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 31.29ms. Allocated memory is still 83.9MB. Free memory was 44.7MB in the beginning and 42.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 63.46ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 38.1MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 19510.94ms. Allocated memory is still 83.9MB. Free memory was 38.1MB in the beginning and 43.9MB in the end (delta: -5.8MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 61991.68ms. Allocated memory is still 83.9MB. Free memory was 43.4MB in the beginning and 27.8MB in the end (delta: 15.6MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB.
 * Witness Printer took 84.88ms. Allocated memory is still 83.9MB. Free memory was 27.0MB in the beginning and 21.0MB in the end (delta: 6.0MB). 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: 233]: 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, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 60.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 48.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 451 SdHoareTripleChecker+Valid, 45.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 449 mSDsluCounter, 1143 SdHoareTripleChecker+Invalid, 44.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 772 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 233 IncrementalHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 371 mSDtfsCounter, 233 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, InterpolantAutomatonStates: 32, 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, 28 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 76 ConstructedInterpolants, 9 QuantifiedInterpolants, 738 SizeOfPredicates, 20 NumberOfNonLiveVariables, 666 ConjunctsInSsa, 48 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 21:05:20,054 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