./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_2+newton_1_4.i --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_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/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_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_1_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/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_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/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 8791b111097588f326aaf544c3865a21bd353d95ed7e15d093f7405d42c088eb
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-13 15:01:13,049 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-13 15:01:13,161 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-13 15:01:13,169 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-13 15:01:13,169 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-13 15:01:13,208 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-13 15:01:13,210 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-13 15:01:13,210 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-13 15:01:13,211 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-13 15:01:13,211 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-13 15:01:13,212 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-13 15:01:13,212 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-13 15:01:13,212 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-13 15:01:13,212 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-13 15:01:13,213 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-13 15:01:13,213 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-13 15:01:13,213 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-13 15:01:13,213 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-13 15:01:13,213 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-13 15:01:13,213 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-13 15:01:13,213 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-13 15:01:13,213 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-13 15:01:13,213 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-13 15:01:13,213 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-13 15:01:13,213 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-13 15:01:13,213 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-13 15:01:13,214 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-13 15:01:13,214 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-13 15:01:13,215 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-13 15:01:13,215 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-13 15:01:13,215 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-13 15:01:13,215 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-13 15:01:13,216 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 15:01:13,216 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-13 15:01:13,216 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-13 15:01:13,216 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-13 15:01:13,217 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-13 15:01:13,217 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-13 15:01:13,217 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-13 15:01:13,217 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-13 15:01:13,217 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-13 15:01:13,217 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-13 15:01:13,217 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_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/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 -> 8791b111097588f326aaf544c3865a21bd353d95ed7e15d093f7405d42c088eb
[2024-11-13 15:01:13,563 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-13 15:01:13,574 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-13 15:01:13,580 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-13 15:01:13,582 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-13 15:01:13,583 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-13 15:01:13,584 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/combinations/gcd_2+newton_1_4.i
Unable to find full path for "g++"
[2024-11-13 15:01:15,478 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-13 15:01:15,749 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-13 15:01:15,750 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/sv-benchmarks/c/combinations/gcd_2+newton_1_4.i
[2024-11-13 15:01:15,761 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/data/6cad2f1ad/d782bc50fade4420a23a3cc0ee10d771/FLAGaa6332c5c
[2024-11-13 15:01:15,789 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/data/6cad2f1ad/d782bc50fade4420a23a3cc0ee10d771
[2024-11-13 15:01:15,791 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-13 15:01:15,794 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-13 15:01:15,796 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-13 15:01:15,796 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-13 15:01:15,801 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-13 15:01:15,802 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:01:15" (1/1) ...
[2024-11-13 15:01:15,803 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5801ea31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:15, skipping insertion in model container
[2024-11-13 15:01:15,803 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:01:15" (1/1) ...
[2024-11-13 15:01:15,820 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-13 15:01:15,958 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_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/sv-benchmarks/c/combinations/gcd_2+newton_1_4.i[1226,1239]
[2024-11-13 15:01:15,989 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_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/sv-benchmarks/c/combinations/gcd_2+newton_1_4.i[2820,2833]
[2024-11-13 15:01:15,990 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-13 15:01:16,004 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-13 15:01:16,014 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_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/sv-benchmarks/c/combinations/gcd_2+newton_1_4.i[1226,1239]
[2024-11-13 15:01:16,026 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_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/sv-benchmarks/c/combinations/gcd_2+newton_1_4.i[2820,2833]
[2024-11-13 15:01:16,027 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-13 15:01:16,046 INFO  L204         MainTranslator]: Completed translation
[2024-11-13 15:01:16,046 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:16 WrapperNode
[2024-11-13 15:01:16,046 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-13 15:01:16,048 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-13 15:01:16,048 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-13 15:01:16,048 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-13 15:01:16,055 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:16" (1/1) ...
[2024-11-13 15:01:16,062 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:16" (1/1) ...
[2024-11-13 15:01:16,084 INFO  L138                Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 86
[2024-11-13 15:01:16,084 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-13 15:01:16,084 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-13 15:01:16,085 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-13 15:01:16,085 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-13 15:01:16,094 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:16" (1/1) ...
[2024-11-13 15:01:16,095 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:16" (1/1) ...
[2024-11-13 15:01:16,096 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:16" (1/1) ...
[2024-11-13 15:01:16,109 INFO  L175           MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0].
[2024-11-13 15:01:16,110 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:16" (1/1) ...
[2024-11-13 15:01:16,110 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:16" (1/1) ...
[2024-11-13 15:01:16,114 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:16" (1/1) ...
[2024-11-13 15:01:16,118 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:16" (1/1) ...
[2024-11-13 15:01:16,119 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:16" (1/1) ...
[2024-11-13 15:01:16,119 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:16" (1/1) ...
[2024-11-13 15:01:16,121 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-13 15:01:16,122 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-13 15:01:16,122 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-13 15:01:16,122 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-13 15:01:16,123 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:16" (1/1) ...
[2024-11-13 15:01:16,129 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 15:01:16,145 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 15:01:16,161 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-13 15:01:16,166 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-13 15:01:16,198 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-13 15:01:16,198 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-13 15:01:16,198 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-13 15:01:16,198 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-13 15:01:16,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-13 15:01:16,302 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-13 15:01:16,306 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-13 15:01:16,539 INFO  L?                        ?]: Removed 28 outVars from TransFormulas that were not future-live.
[2024-11-13 15:01:16,539 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-13 15:01:16,550 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-13 15:01:16,550 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-13 15:01:16,551 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:01:16 BoogieIcfgContainer
[2024-11-13 15:01:16,551 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-13 15:01:16,553 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-13 15:01:16,554 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-13 15:01:16,559 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-13 15:01:16,559 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:01:15" (1/3) ...
[2024-11-13 15:01:16,560 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607f9aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:01:16, skipping insertion in model container
[2024-11-13 15:01:16,560 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:16" (2/3) ...
[2024-11-13 15:01:16,560 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607f9aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:01:16, skipping insertion in model container
[2024-11-13 15:01:16,560 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:01:16" (3/3) ...
[2024-11-13 15:01:16,563 INFO  L112   eAbstractionObserver]: Analyzing ICFG gcd_2+newton_1_4.i
[2024-11-13 15:01:16,584 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-13 15:01:16,586 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to ICFG gcd_2+newton_1_4.i that has 1 procedures, 27 locations, 1 initial locations, 1 loop locations, and 2 error locations.
[2024-11-13 15:01:16,647 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 15:01:16,666 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;@5a9a3ac9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 15:01:16,666 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-13 15:01:16,669 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 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 15:01:16,675 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-13 15:01:16,675 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 15:01:16,676 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:01:16,676 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:01:16,681 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:01:16,681 INFO  L85        PathProgramCache]: Analyzing trace with hash -469338024, now seen corresponding path program 1 times
[2024-11-13 15:01:16,689 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:01:16,690 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119135500]
[2024-11-13 15:01:16,690 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:01:16,691 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:01:16,802 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:01:16,871 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 15:01:16,871 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:01:16,872 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119135500]
[2024-11-13 15:01:16,872 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119135500] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:01:16,873 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:01:16,873 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 15:01:16,877 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445094127]
[2024-11-13 15:01:16,877 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:01:16,881 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-13 15:01:16,881 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:01:16,904 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-13 15:01:16,905 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-13 15:01:16,907 INFO  L87              Difference]: Start difference. First operand  has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 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) Second operand  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 15:01:16,921 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:01:16,921 INFO  L93              Difference]: Finished difference Result 47 states and 57 transitions.
[2024-11-13 15:01:16,922 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-13 15:01:16,925 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9
[2024-11-13 15:01:16,926 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:01:16,931 INFO  L225             Difference]: With dead ends: 47
[2024-11-13 15:01:16,931 INFO  L226             Difference]: Without dead ends: 19
[2024-11-13 15:01:16,933 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 15:01:16,936 INFO  L432           NwaCegarLoop]: 31 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, 31 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 15:01:16,937 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 15:01:16,949 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2024-11-13 15:01:16,958 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2024-11-13 15:01:16,960 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:01:16,963 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions.
[2024-11-13 15:01:16,965 INFO  L78                 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 9
[2024-11-13 15:01:16,965 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:01:16,965 INFO  L471      AbstractCegarLoop]: Abstraction has 19 states and 21 transitions.
[2024-11-13 15:01:16,965 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 15:01:16,966 INFO  L276                IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions.
[2024-11-13 15:01:16,966 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-13 15:01:16,966 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 15:01:16,966 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:01:16,966 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-13 15:01:16,967 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:01:16,967 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:01:16,967 INFO  L85        PathProgramCache]: Analyzing trace with hash -412079722, now seen corresponding path program 1 times
[2024-11-13 15:01:16,967 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:01:16,967 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306577372]
[2024-11-13 15:01:16,968 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:01:16,968 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:01:16,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-13 15:01:16,991 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-13 15:01:17,002 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-13 15:01:17,018 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-13 15:01:17,019 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-13 15:01:17,020 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining)
[2024-11-13 15:01:17,022 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining)
[2024-11-13 15:01:17,023 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-13 15:01:17,026 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-13 15:01:17,038 INFO  L173   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-13 15:01:17,043 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:01:17 BoogieIcfgContainer
[2024-11-13 15:01:17,045 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-13 15:01:17,046 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-13 15:01:17,047 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-13 15:01:17,047 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-13 15:01:17,048 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:01:16" (3/4) ...
[2024-11-13 15:01:17,050 INFO  L145         WitnessPrinter]: No result that supports witness generation found
[2024-11-13 15:01:17,051 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-13 15:01:17,052 INFO  L158              Benchmark]: Toolchain (without parser) took 1258.65ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 71.1MB in the end (delta: 48.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2024-11-13 15:01:17,053 INFO  L158              Benchmark]: CDTParser took 1.47ms. Allocated memory is still 142.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 15:01:17,053 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 250.81ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.1MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 15:01:17,054 INFO  L158              Benchmark]: Boogie Procedure Inliner took 36.44ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 105.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 15:01:17,054 INFO  L158              Benchmark]: Boogie Preprocessor took 37.02ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 15:01:17,055 INFO  L158              Benchmark]: RCFGBuilder took 428.67ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 91.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 15:01:17,055 INFO  L158              Benchmark]: TraceAbstraction took 491.81ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 71.3MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-13 15:01:17,055 INFO  L158              Benchmark]: Witness Printer took 5.23ms. Allocated memory is still 142.6MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 15:01:17,058 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 1.47ms. Allocated memory is still 142.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 250.81ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.1MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 36.44ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 105.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 37.02ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * RCFGBuilder took 428.67ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 91.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * TraceAbstraction took 491.81ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 71.3MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Witness Printer took 5.23ms. Allocated memory is still 142.6MB. Free memory is still 71.1MB. 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: 102]: 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 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 85, overapproximation of someBinaryArithmeticFLOAToperation at line 93, overapproximation of someBinaryArithmeticFLOAToperation at line 80. 
Possible FailurePath: 
[L108]  COND FALSE  !(__VERIFIER_nondet_int())
[L111]  CALL        main2()
[L90]               float IN = __VERIFIER_nondet_float();
[L91]   CALL        assume_abort_if_not(IN > -0.8f && IN < 0.8f)
[L75]   COND FALSE  !(!cond)
[L91]   RET         assume_abort_if_not(IN > -0.8f && IN < 0.8f)
[L93]   CALL, EXPR  f(IN)
[L80]               return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f;
[L93]   RET, EXPR   f(IN)
[L93]   CALL, EXPR  fp(IN)
[L85]               return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f;
[L93]   RET, EXPR   fp(IN)
[L93]               float x = IN - f(IN)/fp(IN);
[L101]  COND TRUE   !(x < 0.1)
[L102]              reach_error()

  - UnprovableResult [Line: 27]: Unable to prove that a call to reach_error is unreachable
    Unable to prove that a call to reach_error is unreachable
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 31 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, 31 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=27occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 15:01:17,092 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/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
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_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/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_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_1_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/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_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/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 8791b111097588f326aaf544c3865a21bd353d95ed7e15d093f7405d42c088eb
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-13 15:01:19,770 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-13 15:01:19,919 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-13 15:01:19,924 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-13 15:01:19,924 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-13 15:01:19,947 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-13 15:01:19,948 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-13 15:01:19,948 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-13 15:01:19,948 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-13 15:01:19,949 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-13 15:01:19,949 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-13 15:01:19,949 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-13 15:01:19,949 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-13 15:01:19,950 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-13 15:01:19,950 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-13 15:01:19,950 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-13 15:01:19,950 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-13 15:01:19,950 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-13 15:01:19,951 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-13 15:01:19,951 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-13 15:01:19,951 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-13 15:01:19,951 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-13 15:01:19,951 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-13 15:01:19,951 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-13 15:01:19,951 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-13 15:01:19,951 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-13 15:01:19,952 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-13 15:01:19,952 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-13 15:01:19,952 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-13 15:01:19,952 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-13 15:01:19,952 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-13 15:01:19,952 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-13 15:01:19,952 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-13 15:01:19,953 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-13 15:01:19,953 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 15:01:19,953 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-13 15:01:19,953 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-13 15:01:19,953 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-13 15:01:19,953 INFO  L153        SettingsManager]:  * Trace refinement strategy=FOX
[2024-11-13 15:01:19,953 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-13 15:01:19,953 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-13 15:01:19,954 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-13 15:01:19,954 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-13 15:01:19,954 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-13 15:01:19,954 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_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/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 -> 8791b111097588f326aaf544c3865a21bd353d95ed7e15d093f7405d42c088eb
[2024-11-13 15:01:20,277 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-13 15:01:20,285 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-13 15:01:20,287 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-13 15:01:20,289 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-13 15:01:20,289 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-13 15:01:20,290 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/combinations/gcd_2+newton_1_4.i
Unable to find full path for "g++"
[2024-11-13 15:01:22,146 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-13 15:01:22,408 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-13 15:01:22,412 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/sv-benchmarks/c/combinations/gcd_2+newton_1_4.i
[2024-11-13 15:01:22,424 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/data/9ecbd61b6/048934e2005841398249c2f9cf9262bd/FLAG4ef9ab7d2
[2024-11-13 15:01:22,448 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/data/9ecbd61b6/048934e2005841398249c2f9cf9262bd
[2024-11-13 15:01:22,451 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-13 15:01:22,453 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-13 15:01:22,456 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-13 15:01:22,457 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-13 15:01:22,462 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-13 15:01:22,463 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:01:22" (1/1) ...
[2024-11-13 15:01:22,464 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fdaeb69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:22, skipping insertion in model container
[2024-11-13 15:01:22,466 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:01:22" (1/1) ...
[2024-11-13 15:01:22,491 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-13 15:01:22,684 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_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/sv-benchmarks/c/combinations/gcd_2+newton_1_4.i[1226,1239]
[2024-11-13 15:01:22,733 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_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/sv-benchmarks/c/combinations/gcd_2+newton_1_4.i[2820,2833]
[2024-11-13 15:01:22,739 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-13 15:01:22,754 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-13 15:01:22,773 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_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/sv-benchmarks/c/combinations/gcd_2+newton_1_4.i[1226,1239]
[2024-11-13 15:01:22,800 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_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/sv-benchmarks/c/combinations/gcd_2+newton_1_4.i[2820,2833]
[2024-11-13 15:01:22,801 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-13 15:01:22,827 INFO  L204         MainTranslator]: Completed translation
[2024-11-13 15:01:22,828 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:22 WrapperNode
[2024-11-13 15:01:22,829 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-13 15:01:22,830 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-13 15:01:22,830 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-13 15:01:22,831 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-13 15:01:22,840 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:22" (1/1) ...
[2024-11-13 15:01:22,854 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:22" (1/1) ...
[2024-11-13 15:01:22,885 INFO  L138                Inliner]: procedures = 28, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 81
[2024-11-13 15:01:22,888 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-13 15:01:22,889 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-13 15:01:22,889 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-13 15:01:22,890 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-13 15:01:22,899 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:22" (1/1) ...
[2024-11-13 15:01:22,900 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:22" (1/1) ...
[2024-11-13 15:01:22,906 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:22" (1/1) ...
[2024-11-13 15:01:22,925 INFO  L175           MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0].
[2024-11-13 15:01:22,925 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:22" (1/1) ...
[2024-11-13 15:01:22,926 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:22" (1/1) ...
[2024-11-13 15:01:22,933 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:22" (1/1) ...
[2024-11-13 15:01:22,936 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:22" (1/1) ...
[2024-11-13 15:01:22,938 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:22" (1/1) ...
[2024-11-13 15:01:22,939 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:22" (1/1) ...
[2024-11-13 15:01:22,941 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-13 15:01:22,942 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-13 15:01:22,942 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-13 15:01:22,943 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-13 15:01:22,944 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:22" (1/1) ...
[2024-11-13 15:01:22,953 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 15:01:22,979 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 15:01:22,992 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-13 15:01:22,995 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-13 15:01:23,019 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-13 15:01:23,020 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-13 15:01:23,020 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-13 15:01:23,020 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-13 15:01:23,020 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-13 15:01:23,114 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-13 15:01:23,116 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-13 15:01:33,347 INFO  L?                        ?]: Removed 30 outVars from TransFormulas that were not future-live.
[2024-11-13 15:01:33,348 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-13 15:01:33,358 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-13 15:01:33,359 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-13 15:01:33,359 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:01:33 BoogieIcfgContainer
[2024-11-13 15:01:33,359 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-13 15:01:33,362 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-13 15:01:33,362 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-13 15:01:33,367 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-13 15:01:33,368 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:01:22" (1/3) ...
[2024-11-13 15:01:33,368 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a1cefa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:01:33, skipping insertion in model container
[2024-11-13 15:01:33,369 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:22" (2/3) ...
[2024-11-13 15:01:33,369 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a1cefa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:01:33, skipping insertion in model container
[2024-11-13 15:01:33,369 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:01:33" (3/3) ...
[2024-11-13 15:01:33,370 INFO  L112   eAbstractionObserver]: Analyzing ICFG gcd_2+newton_1_4.i
[2024-11-13 15:01:33,385 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-13 15:01:33,387 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to ICFG gcd_2+newton_1_4.i that has 1 procedures, 27 locations, 1 initial locations, 1 loop locations, and 2 error locations.
[2024-11-13 15:01:33,441 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 15:01:33,454 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;@442bf655, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 15:01:33,455 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-13 15:01:33,459 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 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 15:01:33,465 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-13 15:01:33,465 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 15:01:33,466 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:01:33,466 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:01:33,470 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:01:33,470 INFO  L85        PathProgramCache]: Analyzing trace with hash -469338024, now seen corresponding path program 1 times
[2024-11-13 15:01:33,480 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-13 15:01:33,481 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2069620708]
[2024-11-13 15:01:33,481 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:01:33,482 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 15:01:33,482 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/mathsat
[2024-11-13 15:01:33,488 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/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 15:01:33,489 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/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 15:01:34,596 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:01:34,629 INFO  L255         TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-13 15:01:34,632 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 15:01:34,648 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 15:01:34,648 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 15:01:34,649 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-13 15:01:34,649 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2069620708]
[2024-11-13 15:01:34,650 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2069620708] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:01:34,650 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:01:34,650 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 15:01:34,652 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453293790]
[2024-11-13 15:01:34,652 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:01:34,656 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-13 15:01:34,656 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-13 15:01:34,675 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-13 15:01:34,676 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-13 15:01:34,678 INFO  L87              Difference]: Start difference. First operand  has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 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) Second operand  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 15:01:34,690 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:01:34,691 INFO  L93              Difference]: Finished difference Result 47 states and 57 transitions.
[2024-11-13 15:01:34,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-13 15:01:34,693 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9
[2024-11-13 15:01:34,693 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:01:34,700 INFO  L225             Difference]: With dead ends: 47
[2024-11-13 15:01:34,700 INFO  L226             Difference]: Without dead ends: 19
[2024-11-13 15:01:34,703 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 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 15:01:34,708 INFO  L432           NwaCegarLoop]: 31 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, 31 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 15:01:34,710 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 15:01:34,726 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2024-11-13 15:01:34,736 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2024-11-13 15:01:34,739 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:01:34,744 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions.
[2024-11-13 15:01:34,747 INFO  L78                 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 9
[2024-11-13 15:01:34,747 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:01:34,747 INFO  L471      AbstractCegarLoop]: Abstraction has 19 states and 21 transitions.
[2024-11-13 15:01:34,747 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 15:01:34,748 INFO  L276                IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions.
[2024-11-13 15:01:34,748 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-13 15:01:34,748 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 15:01:34,749 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:01:34,776 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/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 15:01:34,953 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/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 15:01:34,954 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:01:34,955 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:01:34,955 INFO  L85        PathProgramCache]: Analyzing trace with hash -412079722, now seen corresponding path program 1 times
[2024-11-13 15:01:34,956 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-13 15:01:34,959 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1375706111]
[2024-11-13 15:01:34,959 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:01:34,959 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 15:01:34,959 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/mathsat
[2024-11-13 15:01:34,962 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/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 15:01:34,965 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/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 15:10:39,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-13 15:10:39,987 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-13 15:11:01,144 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-13 15:11:01,213 INFO  L130   FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-11-13 15:11:01,214 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-13 15:11:01,216 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining)
[2024-11-13 15:11:01,218 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining)
[2024-11-13 15:11:01,253 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/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 15:11:01,422 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/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 15:11:01,425 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-13 15:11:01,445 INFO  L173   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-13 15:11:01,448 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:11:01 BoogieIcfgContainer
[2024-11-13 15:11:01,449 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-13 15:11:01,449 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-13 15:11:01,449 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-13 15:11:01,450 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-13 15:11:01,450 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:01:33" (3/4) ...
[2024-11-13 15:11:01,451 INFO  L136         WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-13 15:11:01,484 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml
[2024-11-13 15:11:01,484 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-13 15:11:01,485 INFO  L158              Benchmark]: Toolchain (without parser) took 579032.44ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 44.5MB in the end (delta: 16.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB.
[2024-11-13 15:11:01,486 INFO  L158              Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 15:11:01,486 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 373.75ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 48.0MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 15:11:01,487 INFO  L158              Benchmark]: Boogie Procedure Inliner took 58.40ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.4MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 15:11:01,487 INFO  L158              Benchmark]: Boogie Preprocessor took 52.22ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 44.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 15:11:01,487 INFO  L158              Benchmark]: RCFGBuilder took 10416.92ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 31.4MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 15:11:01,488 INFO  L158              Benchmark]: TraceAbstraction took 568086.74ms. Allocated memory is still 83.9MB. Free memory was 31.1MB in the beginning and 46.4MB in the end (delta: -15.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 15:11:01,488 INFO  L158              Benchmark]: Witness Printer took 35.38ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 44.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 15:11:01,490 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 373.75ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 48.0MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 58.40ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.4MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 52.22ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 44.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 10416.92ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 31.4MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * TraceAbstraction took 568086.74ms. Allocated memory is still 83.9MB. Free memory was 31.1MB in the beginning and 46.4MB in the end (delta: -15.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 35.38ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 44.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - CounterExampleResult [Line: 102]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L108]  COND FALSE  !(__VERIFIER_nondet_int())
[L111]  CALL        main2()
[L90]               float IN = __VERIFIER_nondet_float();
[L91]   CALL        assume_abort_if_not(IN > -0.8f && IN < 0.8f)
[L75]   COND FALSE  !(!cond)
[L91]   RET         assume_abort_if_not(IN > -0.8f && IN < 0.8f)
[L93]   CALL, EXPR  f(IN)
[L80]               return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f;
        VAL         [\result=-0.7130225896835327]
[L93]   RET, EXPR   f(IN)
[L93]   CALL, EXPR  fp(IN)
[L85]               return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f;
        VAL         [\result=0.7019112706184387]
[L93]   RET, EXPR   fp(IN)
[L93]               float x = IN - f(IN)/fp(IN);
[L101]  COND TRUE   !(x < 0.1)
[L102]              reach_error()

  - UnprovableResult [Line: 27]: Unable to prove that a call to reach_error is unreachable
    Unable to prove that a call to reach_error is unreachable
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 568.0s, 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, 31 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, 31 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 546.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 36 ConjunctsInSsa, 1 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 proved your program to be incorrect!
[2024-11-13 15:11:01,598 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a4d2bf0-b5b4-4bfd-acea-8c0499947f8d/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE