./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 826ab2ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd --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 dc594f44ad0729bd9d85d86feb52e9af302c4e40f47b2c0544c13a53d32d37d6
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-13 14:50:51,651 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-13 14:50:51,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-13 14:50:51,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-13 14:50:51,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-13 14:50:51,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-13 14:50:51,802 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-13 14:50:51,803 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-13 14:50:51,803 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-13 14:50:51,803 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-13 14:50:51,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-13 14:50:51,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-13 14:50:51,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-13 14:50:51,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-13 14:50:51,805 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-13 14:50:51,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-13 14:50:51,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-13 14:50:51,807 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-13 14:50:51,807 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-13 14:50:51,807 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-13 14:50:51,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-13 14:50:51,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-13 14:50:51,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-13 14:50:51,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-13 14:50:51,808 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-13 14:50:51,808 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-13 14:50:51,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-13 14:50:51,808 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-13 14:50:51,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-13 14:50:51,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-13 14:50:51,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-13 14:50:51,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-13 14:50:51,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 14:50:51,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-13 14:50:51,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-13 14:50:51,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-13 14:50:51,809 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-13 14:50:51,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-13 14:50:51,809 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-13 14:50:51,809 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-13 14:50:51,810 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-13 14:50:51,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-13 14:50:51,810 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd
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 -> dc594f44ad0729bd9d85d86feb52e9af302c4e40f47b2c0544c13a53d32d37d6
[2024-11-13 14:50:52,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-13 14:50:52,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-13 14:50:52,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-13 14:50:52,144 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-13 14:50:52,145 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-13 14:50:52,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c
Unable to find full path for "g++"
[2024-11-13 14:50:54,123 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-13 14:50:54,406 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-13 14:50:54,409 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/sv-benchmarks/c/float-newlib/float_req_bl_0460.c
[2024-11-13 14:50:54,420 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/data/c1b2d8988/efefa8b1de874f8fa2519e8beed3a45c/FLAGf655ba822
[2024-11-13 14:50:54,444 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/data/c1b2d8988/efefa8b1de874f8fa2519e8beed3a45c
[2024-11-13 14:50:54,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-13 14:50:54,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-13 14:50:54,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-13 14:50:54,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-13 14:50:54,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-13 14:50:54,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:50:54" (1/1) ...
[2024-11-13 14:50:54,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@436c24da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:54, skipping insertion in model container
[2024-11-13 14:50:54,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:50:54" (1/1) ...
[2024-11-13 14:50:54,484 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-13 14:50:54,744 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/sv-benchmarks/c/float-newlib/float_req_bl_0460.c[4448,4461]
[2024-11-13 14:50:54,748 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 14:50:54,761 INFO L200 MainTranslator]: Completed pre-run
[2024-11-13 14:50:54,822 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/sv-benchmarks/c/float-newlib/float_req_bl_0460.c[4448,4461]
[2024-11-13 14:50:54,825 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 14:50:54,844 INFO L204 MainTranslator]: Completed translation
[2024-11-13 14:50:54,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:54 WrapperNode
[2024-11-13 14:50:54,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-13 14:50:54,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-13 14:50:54,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-13 14:50:54,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-13 14:50:54,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:54" (1/1) ...
[2024-11-13 14:50:54,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:54" (1/1) ...
[2024-11-13 14:50:54,904 INFO L138 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 135
[2024-11-13 14:50:54,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-13 14:50:54,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-13 14:50:54,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-13 14:50:54,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-13 14:50:54,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:54" (1/1) ...
[2024-11-13 14:50:54,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:54" (1/1) ...
[2024-11-13 14:50:54,917 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:54" (1/1) ...
[2024-11-13 14:50:54,933 INFO L175 MemorySlicer]: Split 12 memory accesses to 6 slices as follows [2, 2, 2, 2, 2, 2]. 17 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 5 writes are split as follows [0, 1, 1, 1, 1, 1].
[2024-11-13 14:50:54,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:54" (1/1) ...
[2024-11-13 14:50:54,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:54" (1/1) ...
[2024-11-13 14:50:54,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:54" (1/1) ...
[2024-11-13 14:50:54,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:54" (1/1) ...
[2024-11-13 14:50:54,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:54" (1/1) ...
[2024-11-13 14:50:54,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:54" (1/1) ...
[2024-11-13 14:50:54,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-13 14:50:54,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-13 14:50:54,957 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-13 14:50:54,957 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-13 14:50:54,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:54" (1/1) ...
[2024-11-13 14:50:54,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 14:50:54,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:50:54,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-13 14:50:54,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-13 14:50:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-13 14:50:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-13 14:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-13 14:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-13 14:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-11-13 14:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-11-13 14:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5
[2024-11-13 14:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-13 14:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0
[2024-11-13 14:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1
[2024-11-13 14:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2
[2024-11-13 14:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3
[2024-11-13 14:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4
[2024-11-13 14:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5
[2024-11-13 14:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-13 14:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-13 14:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-13 14:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-13 14:50:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4
[2024-11-13 14:50:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5
[2024-11-13 14:50:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0
[2024-11-13 14:50:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1
[2024-11-13 14:50:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2
[2024-11-13 14:50:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3
[2024-11-13 14:50:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4
[2024-11-13 14:50:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5
[2024-11-13 14:50:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-13 14:50:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-13 14:50:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-13 14:50:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-13 14:50:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-13 14:50:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-13 14:50:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4
[2024-11-13 14:50:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5
[2024-11-13 14:50:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-13 14:50:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf
[2024-11-13 14:50:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf
[2024-11-13 14:50:55,148 INFO L238 CfgBuilder]: Building ICFG
[2024-11-13 14:50:55,150 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-13 14:50:55,479 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live.
[2024-11-13 14:50:55,483 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-13 14:50:55,498 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-13 14:50:55,499 INFO L316 CfgBuilder]: Removed 12 assume(true) statements.
[2024-11-13 14:50:55,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:50:55 BoogieIcfgContainer
[2024-11-13 14:50:55,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-13 14:50:55,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-13 14:50:55,503 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-13 14:50:55,507 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-13 14:50:55,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:50:54" (1/3) ...
[2024-11-13 14:50:55,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a30c6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:50:55, skipping insertion in model container
[2024-11-13 14:50:55,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:54" (2/3) ...
[2024-11-13 14:50:55,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a30c6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:50:55, skipping insertion in model container
[2024-11-13 14:50:55,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:50:55" (3/3) ...
[2024-11-13 14:50:55,509 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0460.c
[2024-11-13 14:50:55,526 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-13 14:50:55,528 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0460.c that has 2 procedures, 62 locations, 1 initial locations, 7 loop locations, and 1 error locations.
[2024-11-13 14:50:55,604 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 14:50:55,621 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;@4f36596b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 14:50:55,621 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-13 14:50:55,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 57 states have (on average 1.631578947368421) internal successors, (93), 58 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-13 14:50:55,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-13 14:50:55,634 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:50:55,635 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:50:55,635 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:50:55,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:50:55,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1835102486, now seen corresponding path program 1 times
[2024-11-13 14:50:55,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:50:55,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485387013]
[2024-11-13 14:50:55,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:55,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:50:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:55,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:50:55,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:50:55,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485387013]
[2024-11-13 14:50:55,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485387013] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:50:55,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:50:55,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 14:50:55,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46832609]
[2024-11-13 14:50:55,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:50:55,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-13 14:50:55,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:50:55,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-13 14:50:55,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-13 14:50:55,871 INFO L87 Difference]: Start difference. First operand has 62 states, 57 states have (on average 1.631578947368421) internal successors, (93), 58 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) 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)
[2024-11-13 14:50:55,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:50:55,904 INFO L93 Difference]: Finished difference Result 121 states and 192 transitions.
[2024-11-13 14:50:55,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-13 14:50:55,907 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
[2024-11-13 14:50:55,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:50:55,915 INFO L225 Difference]: With dead ends: 121
[2024-11-13 14:50:55,915 INFO L226 Difference]: Without dead ends: 58
[2024-11-13 14:50:55,919 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
[2024-11-13 14:50:55,923 INFO L432 NwaCegarLoop]: 83 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, 83 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
[2024-11-13 14:50:55,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 14:50:55,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2024-11-13 14:50:55,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58.
[2024-11-13 14:50:55,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 54 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-13 14:50:55,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 78 transitions.
[2024-11-13 14:50:55,973 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 78 transitions. Word has length 11
[2024-11-13 14:50:55,973 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:50:55,973 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 78 transitions.
[2024-11-13 14:50:55,973 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)
[2024-11-13 14:50:55,974 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions.
[2024-11-13 14:50:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-13 14:50:55,975 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:50:55,975 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:50:55,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-13 14:50:55,975 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:50:55,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:50:55,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1719411118, now seen corresponding path program 1 times
[2024-11-13 14:50:55,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:50:55,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820616667]
[2024-11-13 14:50:55,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:55,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:50:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-13 14:50:56,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-13 14:50:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-13 14:50:56,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-13 14:50:56,162 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-13 14:50:56,163 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-13 14:50:56,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-13 14:50:56,170 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-13 14:50:56,199 INFO L173 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-13 14:50:56,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:50:56 BoogieIcfgContainer
[2024-11-13 14:50:56,206 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-13 14:50:56,208 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-13 14:50:56,208 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-13 14:50:56,208 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-13 14:50:56,209 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:50:55" (3/4) ...
[2024-11-13 14:50:56,211 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-13 14:50:56,212 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-13 14:50:56,213 INFO L158 Benchmark]: Toolchain (without parser) took 1764.92ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 52.8MB in the end (delta: 65.0MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB.
[2024-11-13 14:50:56,214 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 14:50:56,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.95ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 104.2MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-13 14:50:56,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.49ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 102.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 14:50:56,219 INFO L158 Benchmark]: Boogie Preprocessor took 51.18ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 99.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 14:50:56,219 INFO L158 Benchmark]: RCFGBuilder took 543.22ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 79.9MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-13 14:50:56,219 INFO L158 Benchmark]: TraceAbstraction took 703.88ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 53.2MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-13 14:50:56,220 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 142.6MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 14:50:56,221 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 396.95ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 104.2MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 56.49ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 102.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 51.18ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 99.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 543.22ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 79.9MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 703.88ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 53.2MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Witness Printer took 5.04ms. Allocated memory is still 142.6MB. Free memory is still 52.8MB. 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: 179]: 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 173, overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 89.
Possible FailurePath:
[L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30;
[L86-L93] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00,
pio2_hi_acos = 1.5707962513e+00,
pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01,
pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01,
pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04,
pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00,
qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01,
qS4_acos = 7.7038154006e-02;
VAL [one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/5000000000, pio2_hi_acos=15707962513/10000000000, pio2_lo_acos=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000]
[L171] float x = __VERIFIER_nondet_float();
[L173] COND TRUE x < -1.0f || x > 1.0f
[L175] CALL, EXPR __ieee754_acosf(x)
[L96] float z, p, q, r, w, s, c, df;
[L97] __int32_t hx, ix;
VAL [one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/5000000000, pio2_hi_acos=15707962513/10000000000, pio2_lo_acos=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=5360320521]
[L99] ieee_float_shape_type gf_u;
[L100] gf_u.value = (x)
[L101] EXPR gf_u.word
[L101] (hx) = gf_u.word
[L103] ix = hx & 0x7fffffff
VAL [hx=1065353216, ix=1065353216, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/5000000000, pio2_hi_acos=15707962513/10000000000, pio2_lo_acos=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=5360320521]
[L104] COND TRUE ix == 0x3f800000
VAL [hx=1065353216, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/5000000000, pio2_hi_acos=15707962513/10000000000, pio2_lo_acos=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=5360320521]
[L105] COND TRUE hx > 0
[L106] return 0.0;
VAL [\result=0, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/5000000000, pio2_hi_acos=15707962513/10000000000, pio2_lo_acos=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=5360320521]
[L175] RET, EXPR __ieee754_acosf(x)
[L175] float res = __ieee754_acosf(x);
[L178] CALL, EXPR isnan_float(res)
[L15] return x != x;
VAL [\result=0, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/5000000000, pio2_hi_acos=15707962513/10000000000, pio2_lo_acos=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000]
[L178] RET, EXPR isnan_float(res)
[L178] COND TRUE !isnan_float(res)
[L179] reach_error()
VAL [one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/5000000000, pio2_hi_acos=15707962513/10000000000, pio2_lo_acos=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 83 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, 83 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=62occurred 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, 23 NumberOfCodeBlocks, 23 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
[2024-11-13 14:50:56,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd --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 dc594f44ad0729bd9d85d86feb52e9af302c4e40f47b2c0544c13a53d32d37d6
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-13 14:50:58,906 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-13 14:50:58,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-13 14:50:59,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-13 14:50:59,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-13 14:50:59,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-13 14:50:59,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-13 14:50:59,054 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-13 14:50:59,055 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-13 14:50:59,055 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-13 14:50:59,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-13 14:50:59,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-13 14:50:59,057 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-13 14:50:59,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-13 14:50:59,057 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-13 14:50:59,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-13 14:50:59,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-13 14:50:59,058 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-13 14:50:59,058 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-13 14:50:59,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-13 14:50:59,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-13 14:50:59,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-13 14:50:59,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-13 14:50:59,059 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-13 14:50:59,059 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-13 14:50:59,059 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-13 14:50:59,059 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-13 14:50:59,060 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-13 14:50:59,060 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-13 14:50:59,060 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-13 14:50:59,060 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-13 14:50:59,060 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-13 14:50:59,061 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-13 14:50:59,061 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-13 14:50:59,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 14:50:59,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-13 14:50:59,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-13 14:50:59,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-13 14:50:59,062 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-13 14:50:59,062 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-13 14:50:59,063 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-13 14:50:59,063 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-13 14:50:59,063 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-13 14:50:59,063 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-13 14:50:59,063 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd
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 -> dc594f44ad0729bd9d85d86feb52e9af302c4e40f47b2c0544c13a53d32d37d6
[2024-11-13 14:50:59,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-13 14:50:59,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-13 14:50:59,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-13 14:50:59,439 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-13 14:50:59,439 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-13 14:50:59,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c
Unable to find full path for "g++"
[2024-11-13 14:51:01,469 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-13 14:51:01,743 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-13 14:51:01,743 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/sv-benchmarks/c/float-newlib/float_req_bl_0460.c
[2024-11-13 14:51:01,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/data/82f070069/1ae956a0224d47bf892cfd2de48383d3/FLAGbc5742693
[2024-11-13 14:51:01,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/data/82f070069/1ae956a0224d47bf892cfd2de48383d3
[2024-11-13 14:51:01,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-13 14:51:01,806 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-13 14:51:01,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-13 14:51:01,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-13 14:51:01,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-13 14:51:01,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:51:01" (1/1) ...
[2024-11-13 14:51:01,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb88f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:01, skipping insertion in model container
[2024-11-13 14:51:01,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:51:01" (1/1) ...
[2024-11-13 14:51:01,843 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-13 14:51:02,107 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/sv-benchmarks/c/float-newlib/float_req_bl_0460.c[4448,4461]
[2024-11-13 14:51:02,112 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 14:51:02,126 INFO L200 MainTranslator]: Completed pre-run
[2024-11-13 14:51:02,189 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/sv-benchmarks/c/float-newlib/float_req_bl_0460.c[4448,4461]
[2024-11-13 14:51:02,191 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 14:51:02,217 INFO L204 MainTranslator]: Completed translation
[2024-11-13 14:51:02,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:02 WrapperNode
[2024-11-13 14:51:02,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-13 14:51:02,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-13 14:51:02,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-13 14:51:02,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-13 14:51:02,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:02" (1/1) ...
[2024-11-13 14:51:02,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:02" (1/1) ...
[2024-11-13 14:51:02,263 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 135
[2024-11-13 14:51:02,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-13 14:51:02,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-13 14:51:02,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-13 14:51:02,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-13 14:51:02,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:02" (1/1) ...
[2024-11-13 14:51:02,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:02" (1/1) ...
[2024-11-13 14:51:02,278 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:02" (1/1) ...
[2024-11-13 14:51:02,295 INFO L175 MemorySlicer]: Split 12 memory accesses to 6 slices as follows [2, 2, 2, 2, 2, 2]. 17 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 5 writes are split as follows [0, 1, 1, 1, 1, 1].
[2024-11-13 14:51:02,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:02" (1/1) ...
[2024-11-13 14:51:02,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:02" (1/1) ...
[2024-11-13 14:51:02,310 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:02" (1/1) ...
[2024-11-13 14:51:02,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:02" (1/1) ...
[2024-11-13 14:51:02,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:02" (1/1) ...
[2024-11-13 14:51:02,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:02" (1/1) ...
[2024-11-13 14:51:02,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-13 14:51:02,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-13 14:51:02,324 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-13 14:51:02,324 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-13 14:51:02,326 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:02" (1/1) ...
[2024-11-13 14:51:02,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 14:51:02,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:51:02,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-13 14:51:02,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-13 14:51:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-13 14:51:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-13 14:51:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-13 14:51:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-13 14:51:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-13 14:51:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2024-11-13 14:51:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2024-11-13 14:51:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-13 14:51:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2024-11-13 14:51:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2024-11-13 14:51:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2
[2024-11-13 14:51:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3
[2024-11-13 14:51:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4
[2024-11-13 14:51:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5
[2024-11-13 14:51:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-13 14:51:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-13 14:51:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-13 14:51:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-11-13 14:51:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2024-11-13 14:51:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2024-11-13 14:51:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-13 14:51:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-13 14:51:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-11-13 14:51:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-11-13 14:51:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2
[2024-11-13 14:51:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3
[2024-11-13 14:51:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4
[2024-11-13 14:51:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5
[2024-11-13 14:51:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-13 14:51:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-13 14:51:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-11-13 14:51:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3
[2024-11-13 14:51:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4
[2024-11-13 14:51:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5
[2024-11-13 14:51:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-13 14:51:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf
[2024-11-13 14:51:02,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf
[2024-11-13 14:51:02,526 INFO L238 CfgBuilder]: Building ICFG
[2024-11-13 14:51:02,527 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-13 14:51:21,722 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live.
[2024-11-13 14:51:21,723 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-13 14:51:21,734 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-13 14:51:21,734 INFO L316 CfgBuilder]: Removed 12 assume(true) statements.
[2024-11-13 14:51:21,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:51:21 BoogieIcfgContainer
[2024-11-13 14:51:21,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-13 14:51:21,738 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-13 14:51:21,739 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-13 14:51:21,744 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-13 14:51:21,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:51:01" (1/3) ...
[2024-11-13 14:51:21,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713d63b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:51:21, skipping insertion in model container
[2024-11-13 14:51:21,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:02" (2/3) ...
[2024-11-13 14:51:21,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713d63b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:51:21, skipping insertion in model container
[2024-11-13 14:51:21,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:51:21" (3/3) ...
[2024-11-13 14:51:21,748 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0460.c
[2024-11-13 14:51:21,765 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-13 14:51:21,767 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0460.c that has 2 procedures, 55 locations, 1 initial locations, 7 loop locations, and 1 error locations.
[2024-11-13 14:51:21,814 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 14:51:21,825 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;@5e3b840b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 14:51:21,825 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-13 14:51:21,829 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 50 states have (on average 1.64) internal successors, (82), 51 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-13 14:51:21,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-13 14:51:21,836 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:51:21,838 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:51:21,838 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:51:21,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:51:21,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1835102486, now seen corresponding path program 1 times
[2024-11-13 14:51:21,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-13 14:51:21,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531973051]
[2024-11-13 14:51:21,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:51:21,857 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
[2024-11-13 14:51:21,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/mathsat
[2024-11-13 14:51:21,861 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/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)
[2024-11-13 14:51:21,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/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
[2024-11-13 14:51:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:51:22,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-13 14:51:22,412 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:51:22,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:51:22,428 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:51:22,429 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-13 14:51:22,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531973051]
[2024-11-13 14:51:22,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [531973051] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:51:22,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:51:22,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 14:51:22,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458571327]
[2024-11-13 14:51:22,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:51:22,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-13 14:51:22,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-13 14:51:22,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-13 14:51:22,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-13 14:51:22,464 INFO L87 Difference]: Start difference. First operand has 55 states, 50 states have (on average 1.64) internal successors, (82), 51 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) 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)
[2024-11-13 14:51:22,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:51:22,485 INFO L93 Difference]: Finished difference Result 107 states and 170 transitions.
[2024-11-13 14:51:22,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-13 14:51:22,487 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
[2024-11-13 14:51:22,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:51:22,493 INFO L225 Difference]: With dead ends: 107
[2024-11-13 14:51:22,493 INFO L226 Difference]: Without dead ends: 51
[2024-11-13 14:51:22,499 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
[2024-11-13 14:51:22,504 INFO L432 NwaCegarLoop]: 73 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, 73 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
[2024-11-13 14:51:22,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 14:51:22,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2024-11-13 14:51:22,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2024-11-13 14:51:22,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 47 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-13 14:51:22,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 68 transitions.
[2024-11-13 14:51:22,558 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 68 transitions. Word has length 11
[2024-11-13 14:51:22,558 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:51:22,559 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 68 transitions.
[2024-11-13 14:51:22,559 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)
[2024-11-13 14:51:22,559 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions.
[2024-11-13 14:51:22,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-13 14:51:22,560 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:51:22,560 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:51:22,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-13 14:51:22,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/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
[2024-11-13 14:51:22,761 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:51:22,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:51:22,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1719411118, now seen corresponding path program 1 times
[2024-11-13 14:51:22,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-13 14:51:22,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129088805]
[2024-11-13 14:51:22,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:51:22,762 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
[2024-11-13 14:51:22,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/mathsat
[2024-11-13 14:51:22,764 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/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)
[2024-11-13 14:51:22,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/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
[2024-11-13 14:51:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:51:23,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-13 14:51:23,333 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:51:23,624 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
[2024-11-13 14:51:23,659 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 56 treesize of output 28
[2024-11-13 14:51:24,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:51:24,419 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:51:24,419 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-13 14:51:24,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129088805]
[2024-11-13 14:51:24,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [129088805] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:51:24,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:51:24,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-13 14:51:24,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115406862]
[2024-11-13 14:51:24,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:51:24,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-13 14:51:24,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-13 14:51:24,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-13 14:51:24,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:51:24,423 INFO L87 Difference]: Start difference. First operand 51 states and 68 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:51:25,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:51:25,589 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions.
[2024-11-13 14:51:25,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-13 14:51:25,592 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2024-11-13 14:51:25,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:51:25,593 INFO L225 Difference]: With dead ends: 56
[2024-11-13 14:51:25,593 INFO L226 Difference]: Without dead ends: 13
[2024-11-13 14:51:25,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-13 14:51:25,595 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 8 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-13 14:51:25,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 24 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-13 14:51:25,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states.
[2024-11-13 14:51:25,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13.
[2024-11-13 14:51:25,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:51:25,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions.
[2024-11-13 14:51:25,599 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 12
[2024-11-13 14:51:25,599 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:51:25,599 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions.
[2024-11-13 14:51:25,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:51:25,600 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions.
[2024-11-13 14:51:25,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-13 14:51:25,600 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:51:25,600 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:51:25,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/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
[2024-11-13 14:51:25,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/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
[2024-11-13 14:51:25,801 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:51:25,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:51:25,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1512542414, now seen corresponding path program 1 times
[2024-11-13 14:51:25,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-13 14:51:25,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801621638]
[2024-11-13 14:51:25,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:51:25,802 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
[2024-11-13 14:51:25,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/mathsat
[2024-11-13 14:51:25,804 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/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)
[2024-11-13 14:51:25,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/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
[2024-11-13 14:51:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:51:26,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-13 14:51:26,507 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:51:29,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:51:29,991 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:51:29,991 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-13 14:51:29,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [801621638]
[2024-11-13 14:51:29,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [801621638] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:51:29,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:51:29,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-13 14:51:29,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176709039]
[2024-11-13 14:51:29,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:51:29,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-13 14:51:29,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-13 14:51:29,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-13 14:51:29,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-13 14:51:29,993 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:51:33,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:51:33,039 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions.
[2024-11-13 14:51:33,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-13 14:51:33,039 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2024-11-13 14:51:33,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:51:33,039 INFO L225 Difference]: With dead ends: 13
[2024-11-13 14:51:33,039 INFO L226 Difference]: Without dead ends: 0
[2024-11-13 14:51:33,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-13 14:51:33,041 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 3 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-13 14:51:33,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 23 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-13 14:51:33,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-13 14:51:33,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-13 14:51:33,043 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)
[2024-11-13 14:51:33,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-13 14:51:33,043 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12
[2024-11-13 14:51:33,043 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:51:33,043 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-13 14:51:33,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 14:51:33,044 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-13 14:51:33,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-13 14:51:33,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-13 14:51:33,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/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
[2024-11-13 14:51:33,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/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
[2024-11-13 14:51:33,250 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-13 14:51:33,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-13 14:51:33,523 INFO L173 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-13 14:51:33,536 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-11-13 14:51:33,536 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-11-13 14:51:33,537 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-13 14:51:33,537 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
[2024-11-13 14:51:33,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:51:33 BoogieIcfgContainer
[2024-11-13 14:51:33,544 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-13 14:51:33,545 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-13 14:51:33,545 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-13 14:51:33,545 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-13 14:51:33,546 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:51:21" (3/4) ...
[2024-11-13 14:51:33,548 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-13 14:51:33,552 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf
[2024-11-13 14:51:33,557 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges
[2024-11-13 14:51:33,558 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-11-13 14:51:33,558 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-13 14:51:33,558 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-13 14:51:33,655 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml
[2024-11-13 14:51:33,655 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/witness.yml
[2024-11-13 14:51:33,655 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-13 14:51:33,657 INFO L158 Benchmark]: Toolchain (without parser) took 31850.65ms. Allocated memory is still 117.4MB. Free memory was 96.2MB in the beginning and 42.4MB in the end (delta: 53.7MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB.
[2024-11-13 14:51:33,660 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 52.3MB in the end (delta: 107.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 14:51:33,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.80ms. Allocated memory is still 117.4MB. Free memory was 96.0MB in the beginning and 81.5MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 14:51:33,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.01ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 79.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 14:51:33,660 INFO L158 Benchmark]: Boogie Preprocessor took 59.19ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 76.2MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 14:51:33,661 INFO L158 Benchmark]: RCFGBuilder took 19410.90ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 55.8MB in the end (delta: 20.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-13 14:51:33,661 INFO L158 Benchmark]: TraceAbstraction took 11805.83ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 48.9MB in the end (delta: 6.2MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB.
[2024-11-13 14:51:33,661 INFO L158 Benchmark]: Witness Printer took 110.46ms. Allocated memory is still 117.4MB. Free memory was 48.9MB in the beginning and 42.4MB in the end (delta: 6.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 14:51:33,663 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 52.3MB in the end (delta: 107.7kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 411.80ms. Allocated memory is still 117.4MB. Free memory was 96.0MB in the beginning and 81.5MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 43.01ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 79.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 59.19ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 76.2MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 19410.90ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 55.8MB in the end (delta: 20.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 11805.83ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 48.9MB in the end (delta: 6.2MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB.
* Witness Printer took 110.46ms. Allocated memory is still 117.4MB. Free memory was 48.9MB in the beginning and 42.4MB in the end (delta: 6.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
* 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: 179]: 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 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 120 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 87 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 5 QuantifiedInterpolants, 164 SizeOfPredicates, 5 NumberOfNonLiveVariables, 159 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 78]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 146]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 24]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 41]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 55]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 141]: Loop Invariant
Derived loop invariant: 0
- ProcedureContractResult [Line: 19]: Procedure Contract for __ieee754_sqrtf
Derived contract for procedure __ieee754_sqrtf. Requires: 0 Ensures: (0 && ((((((((((((((((one_sqrt == \old(one_sqrt)) && (tiny_sqrt == \old(tiny_sqrt))) && (one_acos == \old(one_acos))) && (pi == \old(pi))) && (pio2_hi_acos == \old(pio2_hi_acos))) && (pio2_lo_acos == \old(pio2_lo_acos))) && (pS0_acos == \old(pS0_acos))) && (pS1_acos == \old(pS1_acos))) && (pS2_acos == \old(pS2_acos))) && (pS3_acos == \old(pS3_acos))) && (pS4_acos == \old(pS4_acos))) && (pS5_acos == \old(pS5_acos))) && (qS1_acos == \old(qS1_acos))) && (qS2_acos == \old(qS2_acos))) && (qS3_acos == \old(qS3_acos))) && (qS4_acos == \old(qS4_acos))))
RESULT: Ultimate proved your program to be correct!
[2024-11-13 14:51:33,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbc5fd99-e987-4b89-966d-5aa2729b96f2/bin/uautomizer-verify-qhAvR1uOyd/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