./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