./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/bh2017-ex3.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8d875-bb1a-4818-a91d-065654c2f4aa/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8d875-bb1a-4818-a91d-065654c2f4aa/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8d875-bb1a-4818-a91d-065654c2f4aa/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8d875-bb1a-4818-a91d-065654c2f4aa/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/bh2017-ex3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8d875-bb1a-4818-a91d-065654c2f4aa/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8d875-bb1a-4818-a91d-065654c2f4aa/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67c3f42f5641e6993fb8445c2fa4fe121d859872ed17b178229098422831f110
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:26:29,159 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:26:29,281 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8d875-bb1a-4818-a91d-065654c2f4aa/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-11-23 23:26:29,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:26:29,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:26:29,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:26:29,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:26:29,339 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:26:29,339 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:26:29,340 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 23:26:29,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:26:29,342 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:26:29,342 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:26:29,343 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-11-23 23:26:29,343 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-11-23 23:26:29,344 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-11-23 23:26:29,344 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-11-23 23:26:29,344 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-11-23 23:26:29,344 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-11-23 23:26:29,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:26:29,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-11-23 23:26:29,344 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:26:29,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 23:26:29,345 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:26:29,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:26:29,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-11-23 23:26:29,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-11-23 23:26:29,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-11-23 23:26:29,345 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 23:26:29,346 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:26:29,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 23:26:29,346 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-11-23 23:26:29,346 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:26:29,346 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:26:29,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:26:29,347 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:26:29,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:26:29,348 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM
[2024-11-23 23:26:29,348 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-11-23 23:26:29,348 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR
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_70b8d875-bb1a-4818-a91d-065654c2f4aa/bin/uautomizer-verify-LYvppIcaGC
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(F end) )
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 -> 67c3f42f5641e6993fb8445c2fa4fe121d859872ed17b178229098422831f110
[2024-11-23 23:26:29,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:26:29,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:26:29,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:26:29,680 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:26:29,680 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:26:29,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8d875-bb1a-4818-a91d-065654c2f4aa/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/loop-lit/bh2017-ex3.i
[2024-11-23 23:26:33,117 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8d875-bb1a-4818-a91d-065654c2f4aa/bin/uautomizer-verify-LYvppIcaGC/data/9c3e35864/430dcfcbc8f24bbc895d11e58bc73eed/FLAGa4f7db47f
[2024-11-23 23:26:33,421 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:26:33,422 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8d875-bb1a-4818-a91d-065654c2f4aa/sv-benchmarks/c/loop-lit/bh2017-ex3.i
[2024-11-23 23:26:33,439 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8d875-bb1a-4818-a91d-065654c2f4aa/bin/uautomizer-verify-LYvppIcaGC/data/9c3e35864/430dcfcbc8f24bbc895d11e58bc73eed/FLAGa4f7db47f
[2024-11-23 23:26:33,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8d875-bb1a-4818-a91d-065654c2f4aa/bin/uautomizer-verify-LYvppIcaGC/data/9c3e35864/430dcfcbc8f24bbc895d11e58bc73eed
[2024-11-23 23:26:33,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:26:33,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:26:33,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:26:33,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:26:33,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:26:33,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:26:33" (1/1) ...
[2024-11-23 23:26:33,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56be5d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:33, skipping insertion in model container
[2024-11-23 23:26:33,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:26:33" (1/1) ...
[2024-11-23 23:26:33,731 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:26:33,908 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:26:33,924 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:26:33,947 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:26:33,968 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:26:33,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:33 WrapperNode
[2024-11-23 23:26:33,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:26:33,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:26:33,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:26:33,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:26:33,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:33" (1/1) ...
[2024-11-23 23:26:33,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:33" (1/1) ...
[2024-11-23 23:26:34,028 INFO L138 Inliner]: procedures = 15, calls = 11, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 72
[2024-11-23 23:26:34,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:26:34,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:26:34,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:26:34,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:26:34,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:33" (1/1) ...
[2024-11-23 23:26:34,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:33" (1/1) ...
[2024-11-23 23:26:34,048 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:33" (1/1) ...
[2024-11-23 23:26:34,072 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-23 23:26:34,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:33" (1/1) ...
[2024-11-23 23:26:34,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:33" (1/1) ...
[2024-11-23 23:26:34,080 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:33" (1/1) ...
[2024-11-23 23:26:34,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:33" (1/1) ...
[2024-11-23 23:26:34,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:33" (1/1) ...
[2024-11-23 23:26:34,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:33" (1/1) ...
[2024-11-23 23:26:34,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:33" (1/1) ...
[2024-11-23 23:26:34,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:26:34,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:26:34,104 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:26:34,104 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:26:34,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:33" (1/1) ...
[2024-11-23 23:26:34,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-23 23:26:34,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8d875-bb1a-4818-a91d-065654c2f4aa/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:26:34,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8d875-bb1a-4818-a91d-065654c2f4aa/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-23 23:26:34,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8d875-bb1a-4818-a91d-065654c2f4aa/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:26:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:26:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 23:26:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:26:34,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:26:34,287 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:26:34,289 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:26:34,541 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-11-23 23:26:34,541 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:26:34,556 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:26:34,558 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-23 23:26:34,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:26:34 BoogieIcfgContainer
[2024-11-23 23:26:34,558 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:26:34,560 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-11-23 23:26:34,560 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-11-23 23:26:34,568 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-11-23 23:26:34,569 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-23 23:26:34,569 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 11:26:33" (1/3) ...
[2024-11-23 23:26:34,570 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24599188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:26:34, skipping insertion in model container
[2024-11-23 23:26:34,571 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-23 23:26:34,571 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:33" (2/3) ...
[2024-11-23 23:26:34,573 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24599188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:26:34, skipping insertion in model container
[2024-11-23 23:26:34,573 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-23 23:26:34,573 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:26:34" (3/3) ...
[2024-11-23 23:26:34,575 INFO L363 chiAutomizerObserver]: Analyzing ICFG bh2017-ex3.i
[2024-11-23 23:26:34,666 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-11-23 23:26:34,666 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-11-23 23:26:34,666 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-11-23 23:26:34,667 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-11-23 23:26:34,667 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-11-23 23:26:34,667 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-11-23 23:26:34,667 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-11-23 23:26:34,667 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-11-23 23:26:34,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 32 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 31 states have internal predecessors, (46), 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)
[2024-11-23 23:26:34,701 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 26
[2024-11-23 23:26:34,702 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-23 23:26:34,702 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-23 23:26:34,710 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2024-11-23 23:26:34,710 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:26:34,710 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-11-23 23:26:34,711 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 32 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 31 states have internal predecessors, (46), 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)
[2024-11-23 23:26:34,716 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 26
[2024-11-23 23:26:34,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-23 23:26:34,716 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-23 23:26:34,717 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2024-11-23 23:26:34,717 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:26:34,729 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~post5#1, main_~m~0#1, main_~n~0#1;main_~m~0#1 := 0;main_~n~0#1 := 0;"
[2024-11-23 23:26:34,729 INFO L749 eck$LassoCheckResult]: Loop: "assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~m~0#1 <= 60 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~n~0#1 <= 60 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet1#1;assume 0 == main_#t~nondet1#1 || 1 == main_#t~nondet1#1;" "assume 0 != main_#t~nondet1#1 % 256;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;assume 0 == main_#t~nondet2#1 || 1 == main_#t~nondet2#1;" "assume !(0 != main_#t~nondet2#1 % 256);havoc main_#t~nondet2#1;"
[2024-11-23 23:26:34,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:26:34,738 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2024-11-23 23:26:34,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:26:34,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846075144]
[2024-11-23 23:26:34,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:26:34,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:26:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:26:34,870 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:26:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:26:34,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-23 23:26:34,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:26:34,911 INFO L85 PathProgramCache]: Analyzing trace with hash -637622967, now seen corresponding path program 1 times
[2024-11-23 23:26:34,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:26:34,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181810149]
[2024-11-23 23:26:34,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:26:34,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:26:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:26:34,968 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:26:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:26:34,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-23 23:26:35,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:26:35,003 INFO L85 PathProgramCache]: Analyzing trace with hash 908673863, now seen corresponding path program 1 times
[2024-11-23 23:26:35,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:26:35,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798664283]
[2024-11-23 23:26:35,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:26:35,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:26:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:26:35,047 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:26:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:26:35,066 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-23 23:26:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:26:35,519 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:26:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:26:35,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 11:26:35 BoogieIcfgContainer
[2024-11-23 23:26:35,560 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-11-23 23:26:35,561 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 23:26:35,561 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 23:26:35,561 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 23:26:35,562 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:26:34" (3/4) ...
[2024-11-23 23:26:35,564 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample
[2024-11-23 23:26:35,614 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8d875-bb1a-4818-a91d-065654c2f4aa/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 23:26:35,614 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 23:26:35,616 INFO L158 Benchmark]: Toolchain (without parser) took 1914.19ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 38.4MB in the end (delta: 54.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB.
[2024-11-23 23:26:35,618 INFO L158 Benchmark]: CDTParser took 1.73ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.0MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:26:35,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.46ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:26:35,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.37ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:26:35,622 INFO L158 Benchmark]: Boogie Preprocessor took 73.29ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.5MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:26:35,622 INFO L158 Benchmark]: RCFGBuilder took 454.87ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 68.7MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:26:35,623 INFO L158 Benchmark]: BuchiAutomizer took 1000.41ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 40.1MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-23 23:26:35,623 INFO L158 Benchmark]: Witness Printer took 53.75ms. Allocated memory is still 117.4MB. Free memory was 40.1MB in the beginning and 38.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:26:35,642 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.73ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.0MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 266.46ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 58.37ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 73.29ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.5MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 454.87ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 68.7MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* BuchiAutomizer took 1000.41ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 40.1MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Witness Printer took 53.75ms. Allocated memory is still 117.4MB. Free memory was 40.1MB in the beginning and 38.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Trivial decomposition into one nonterminating module.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 0.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- LassoShapedNonTerminationArgument [Line: 1]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L16] int m = 0;
[L17] int n = 0;
VAL [m=0, n=0]
Loop:
[L19] CALL __VERIFIER_assert(m <= 60)
[L13] COND FALSE !(!(cond))
[L19] RET __VERIFIER_assert(m <= 60)
[L20] CALL __VERIFIER_assert(n <= 60)
[L13] COND FALSE !(!(cond))
[L20] RET __VERIFIER_assert(n <= 60)
[L21] COND TRUE __VERIFIER_nondet_bool()
[L22] COND FALSE !(__VERIFIER_nondet_bool())
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 1]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L16] int m = 0;
[L17] int n = 0;
VAL [m=0, n=0]
Loop:
[L19] CALL __VERIFIER_assert(m <= 60)
[L13] COND FALSE !(!(cond))
[L19] RET __VERIFIER_assert(m <= 60)
[L20] CALL __VERIFIER_assert(n <= 60)
[L13] COND FALSE !(!(cond))
[L20] RET __VERIFIER_assert(n <= 60)
[L21] COND TRUE __VERIFIER_nondet_bool()
[L22] COND FALSE !(__VERIFIER_nondet_bool())
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-11-23 23:26:35,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8d875-bb1a-4818-a91d-065654c2f4aa/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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(TERM)