./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig1-alloca.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
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_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/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_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig1-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/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 64bit --witnessprinter.graph.data.programhash 81242885777c4393c04c5476f1b6fd444015153a4c531a694fafb6a2f2b53954
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:30:05,384 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:30:05,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf
[2024-11-24 00:30:05,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:30:05,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:30:05,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:30:05,528 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:30:05,528 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:30:05,529 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:30:05,529 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 00:30:05,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:30:05,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 00:30:05,529 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 00:30:05,530 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-11-24 00:30:05,530 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-11-24 00:30:05,530 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-11-24 00:30:05,530 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-11-24 00:30:05,530 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-11-24 00:30:05,530 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-11-24 00:30:05,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:30:05,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-11-24 00:30:05,530 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 00:30:05,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 00:30:05,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-11-24 00:30:05,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-11-24 00:30:05,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-11-24 00:30:05,531 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 00:30:05,531 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 00:30:05,531 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-11-24 00:30:05,531 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:30:05,531 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 00:30:05,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:30:05,532 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:30:05,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:30:05,532 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM
[2024-11-24 00:30:05,532 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-11-24 00:30:05,532 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_b11adfa8-69c4-421a-9b0b-1dd774552134/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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81242885777c4393c04c5476f1b6fd444015153a4c531a694fafb6a2f2b53954
[2024-11-24 00:30:05,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:30:05,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:30:05,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:30:05,883 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 00:30:05,884 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 00:30:05,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig1-alloca.i
[2024-11-24 00:30:08,886 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/data/0d349d39e/77971d93a9584cf49cb12473078e7a14/FLAGc11375000
[2024-11-24 00:30:09,218 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 00:30:09,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig1-alloca.i
[2024-11-24 00:30:09,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/data/0d349d39e/77971d93a9584cf49cb12473078e7a14/FLAGc11375000
[2024-11-24 00:30:09,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/data/0d349d39e/77971d93a9584cf49cb12473078e7a14
[2024-11-24 00:30:09,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:30:09,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:30:09,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:30:09,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:30:09,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:30:09,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:30:09" (1/1) ...
[2024-11-24 00:30:09,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa7538c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:09, skipping insertion in model container
[2024-11-24 00:30:09,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:30:09" (1/1) ...
[2024-11-24 00:30:09,307 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:30:09,590 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:30:09,601 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 00:30:09,648 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:30:09,673 INFO L204 MainTranslator]: Completed translation
[2024-11-24 00:30:09,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:09 WrapperNode
[2024-11-24 00:30:09,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:30:09,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:30:09,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:30:09,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:30:09,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:09" (1/1) ...
[2024-11-24 00:30:09,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:09" (1/1) ...
[2024-11-24 00:30:09,705 INFO L138 Inliner]: procedures = 110, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24
[2024-11-24 00:30:09,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:30:09,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:30:09,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:30:09,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:30:09,714 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:09" (1/1) ...
[2024-11-24 00:30:09,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:09" (1/1) ...
[2024-11-24 00:30:09,716 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:09" (1/1) ...
[2024-11-24 00:30:09,726 INFO L175 MemorySlicer]: Split 5 memory accesses to 1 slices as follows [5]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2].
[2024-11-24 00:30:09,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:09" (1/1) ...
[2024-11-24 00:30:09,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:09" (1/1) ...
[2024-11-24 00:30:09,730 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:09" (1/1) ...
[2024-11-24 00:30:09,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:09" (1/1) ...
[2024-11-24 00:30:09,733 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:09" (1/1) ...
[2024-11-24 00:30:09,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:09" (1/1) ...
[2024-11-24 00:30:09,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:09" (1/1) ...
[2024-11-24 00:30:09,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:30:09,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:30:09,736 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:30:09,737 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:30:09,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:09" (1/1) ...
[2024-11-24 00:30:09,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 00:30:09,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:30:09,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 00:30:09,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:30:09,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-24 00:30:09,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-24 00:30:09,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-24 00:30:09,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-24 00:30:09,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:30:09,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:30:09,874 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 00:30:09,876 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:30:09,971 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live.
[2024-11-24 00:30:09,972 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 00:30:09,984 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:30:09,985 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 00:30:09,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:30:09 BoogieIcfgContainer
[2024-11-24 00:30:09,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:30:09,987 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-11-24 00:30:09,987 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-11-24 00:30:09,992 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-11-24 00:30:09,993 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-24 00:30:09,993 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 12:30:09" (1/3) ...
[2024-11-24 00:30:09,994 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6292404a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:30:09, skipping insertion in model container
[2024-11-24 00:30:09,995 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-24 00:30:09,995 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:30:09" (2/3) ...
[2024-11-24 00:30:09,995 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6292404a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:30:09, skipping insertion in model container
[2024-11-24 00:30:09,995 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-24 00:30:09,996 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:30:09" (3/3) ...
[2024-11-24 00:30:09,997 INFO L363 chiAutomizerObserver]: Analyzing ICFG Urban-2013WST-Fig1-alloca.i
[2024-11-24 00:30:10,047 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-11-24 00:30:10,047 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-11-24 00:30:10,047 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-11-24 00:30:10,047 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-11-24 00:30:10,048 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-11-24 00:30:10,048 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-11-24 00:30:10,048 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-11-24 00:30:10,048 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-11-24 00:30:10,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:30:10,070 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4
[2024-11-24 00:30:10,071 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 00:30:10,071 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-24 00:30:10,076 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2024-11-24 00:30:10,079 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1]
[2024-11-24 00:30:10,079 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-11-24 00:30:10,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:30:10,081 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4
[2024-11-24 00:30:10,082 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 00:30:10,082 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-24 00:30:10,083 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2024-11-24 00:30:10,083 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1]
[2024-11-24 00:30:10,090 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~nondet3#1, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~nondet3#1;call write~int#0(main_#t~nondet3#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet3#1;"
[2024-11-24 00:30:10,091 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem4#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);" "assume main_#t~mem4#1 <= 10;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);" "assume main_#t~mem5#1 > 6;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#0(2 + main_#t~mem6#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem6#1;"
[2024-11-24 00:30:10,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:30:10,097 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2024-11-24 00:30:10,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 00:30:10,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101512503]
[2024-11-24 00:30:10,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:30:10,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:30:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:30:10,226 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:30:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:30:10,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 00:30:10,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:30:10,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1111335, now seen corresponding path program 1 times
[2024-11-24 00:30:10,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 00:30:10,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288757256]
[2024-11-24 00:30:10,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:30:10,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:30:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:30:10,280 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:30:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:30:10,291 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 00:30:10,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:30:10,296 INFO L85 PathProgramCache]: Analyzing trace with hash 889538537, now seen corresponding path program 1 times
[2024-11-24 00:30:10,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 00:30:10,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319328910]
[2024-11-24 00:30:10,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:30:10,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:30:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:30:10,322 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:30:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:30:10,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 00:30:10,697 INFO L204 LassoAnalysis]: Preferences:
[2024-11-24 00:30:10,698 INFO L125 ssoRankerPreferences]: Compute integeral hull: false
[2024-11-24 00:30:10,698 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2024-11-24 00:30:10,698 INFO L127 ssoRankerPreferences]: Term annotations enabled: false
[2024-11-24 00:30:10,698 INFO L128 ssoRankerPreferences]: Use exernal solver: false
[2024-11-24 00:30:10,699 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 00:30:10,699 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false
[2024-11-24 00:30:10,699 INFO L131 ssoRankerPreferences]: Path of dumped script:
[2024-11-24 00:30:10,699 INFO L132 ssoRankerPreferences]: Filename of dumped script: Urban-2013WST-Fig1-alloca.i_Iteration1_Lasso
[2024-11-24 00:30:10,699 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank
[2024-11-24 00:30:10,699 INFO L241 LassoAnalysis]: Starting lasso preprocessing...
[2024-11-24 00:30:10,726 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 00:30:10,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 00:30:10,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 00:30:10,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 00:30:10,933 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 00:30:10,936 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 00:30:10,940 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 00:30:10,944 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 00:30:10,947 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-24 00:30:11,191 INFO L259 LassoAnalysis]: Preprocessing complete.
[2024-11-24 00:30:11,195 INFO L451 LassoAnalysis]: Using template 'affine'.
[2024-11-24 00:30:11,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 00:30:11,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:30:11,202 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 00:30:11,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2024-11-24 00:30:11,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2024-11-24 00:30:11,221 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2024-11-24 00:30:11,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-24 00:30:11,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2024-11-24 00:30:11,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2024-11-24 00:30:11,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2024-11-24 00:30:11,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2024-11-24 00:30:11,244 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings.
[2024-11-24 00:30:11,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0
[2024-11-24 00:30:11,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 00:30:11,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:30:11,257 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 00:30:11,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2024-11-24 00:30:11,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2024-11-24 00:30:11,278 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2024-11-24 00:30:11,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-24 00:30:11,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2024-11-24 00:30:11,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2024-11-24 00:30:11,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2024-11-24 00:30:11,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2024-11-24 00:30:11,289 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings.
[2024-11-24 00:30:11,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0
[2024-11-24 00:30:11,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 00:30:11,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:30:11,302 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 00:30:11,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2024-11-24 00:30:11,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2024-11-24 00:30:11,320 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2024-11-24 00:30:11,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-24 00:30:11,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2024-11-24 00:30:11,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2024-11-24 00:30:11,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2024-11-24 00:30:11,327 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2024-11-24 00:30:11,336 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings.
[2024-11-24 00:30:11,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0
[2024-11-24 00:30:11,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 00:30:11,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:30:11,348 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 00:30:11,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2024-11-24 00:30:11,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2024-11-24 00:30:11,367 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2024-11-24 00:30:11,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-24 00:30:11,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2024-11-24 00:30:11,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2024-11-24 00:30:11,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2024-11-24 00:30:11,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2024-11-24 00:30:11,378 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings.
[2024-11-24 00:30:11,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2024-11-24 00:30:11,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 00:30:11,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:30:11,392 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 00:30:11,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process
[2024-11-24 00:30:11,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2024-11-24 00:30:11,413 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2024-11-24 00:30:11,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-24 00:30:11,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2024-11-24 00:30:11,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2024-11-24 00:30:11,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2024-11-24 00:30:11,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2024-11-24 00:30:11,435 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2024-11-24 00:30:11,465 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver.
[2024-11-24 00:30:11,467 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero.
[2024-11-24 00:30:11,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-24 00:30:11,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:30:11,471 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-24 00:30:11,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process
[2024-11-24 00:30:11,476 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2024-11-24 00:30:11,492 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2.
[2024-11-24 00:30:11,493 INFO L474 LassoAnalysis]: Proved termination.
[2024-11-24 00:30:11,493 INFO L476 LassoAnalysis]: Termination argument consisting of:
Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) 0)_1) = -1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) 0)_1 + 11
Supporting invariants []
[2024-11-24 00:30:11,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0
[2024-11-24 00:30:11,522 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed
[2024-11-24 00:30:11,533 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0
[2024-11-24 00:30:11,534 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL]
[2024-11-24 00:30:11,534 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,<LOCAL,main>]]]
[2024-11-24 00:30:11,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:30:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:30:11,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 00:30:11,623 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:30:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:30:11,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-24 00:30:11,647 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:30:11,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:30:11,762 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates
[2024-11-24 00:30:11,764 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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)
[2024-11-24 00:30:11,932 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) Result 28 states and 34 transitions. Complement of second has 12 states.
[2024-11-24 00:30:11,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states
[2024-11-24 00:30:11,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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)
[2024-11-24 00:30:11,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 18 transitions.
[2024-11-24 00:30:11,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 18 transitions. Stem has 2 letters. Loop has 4 letters.
[2024-11-24 00:30:11,951 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2024-11-24 00:30:11,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 18 transitions. Stem has 6 letters. Loop has 4 letters.
[2024-11-24 00:30:11,951 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2024-11-24 00:30:11,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 18 transitions. Stem has 2 letters. Loop has 8 letters.
[2024-11-24 00:30:11,952 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2024-11-24 00:30:11,952 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 34 transitions.
[2024-11-24 00:30:11,957 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4
[2024-11-24 00:30:11,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 14 states and 17 transitions.
[2024-11-24 00:30:11,961 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7
[2024-11-24 00:30:11,961 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8
[2024-11-24 00:30:11,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions.
[2024-11-24 00:30:11,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic.
[2024-11-24 00:30:11,962 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions.
[2024-11-24 00:30:11,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions.
[2024-11-24 00:30:11,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12.
[2024-11-24 00:30:11,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 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)
[2024-11-24 00:30:11,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions.
[2024-11-24 00:30:11,989 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions.
[2024-11-24 00:30:11,989 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions.
[2024-11-24 00:30:11,989 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-11-24 00:30:11,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions.
[2024-11-24 00:30:11,990 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4
[2024-11-24 00:30:11,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-24 00:30:11,991 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-24 00:30:11,991 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2024-11-24 00:30:11,991 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1]
[2024-11-24 00:30:11,992 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~nondet3#1, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~nondet3#1;call write~int#0(main_#t~nondet3#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet3#1;" "call main_#t~mem4#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);"
[2024-11-24 00:30:11,992 INFO L749 eck$LassoCheckResult]: Loop: "assume main_#t~mem4#1 <= 10;havoc main_#t~mem4#1;" "call main_#t~mem5#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);" "assume !(main_#t~mem5#1 > 6);havoc main_#t~mem5#1;" "call main_#t~mem4#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);"
[2024-11-24 00:30:11,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:30:11,992 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times
[2024-11-24 00:30:11,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 00:30:11,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985152586]
[2024-11-24 00:30:11,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:30:11,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:30:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:30:12,053 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:30:12,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0
[2024-11-24 00:30:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:30:12,065 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 00:30:12,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:30:12,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1204697, now seen corresponding path program 1 times
[2024-11-24 00:30:12,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 00:30:12,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439204209]
[2024-11-24 00:30:12,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:30:12,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:30:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:30:12,077 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:30:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:30:12,090 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 00:30:12,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:30:12,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1805890939, now seen corresponding path program 1 times
[2024-11-24 00:30:12,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-24 00:30:12,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708872111]
[2024-11-24 00:30:12,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:30:12,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:30:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:30:12,120 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:30:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:30:12,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-24 00:30:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:30:12,389 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:30:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:30:12,414 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back.
[2024-11-24 00:30:12,415 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back.
[2024-11-24 00:30:12,418 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back.
[2024-11-24 00:30:12,418 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back.
[2024-11-24 00:30:12,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 12:30:12 BoogieIcfgContainer
[2024-11-24 00:30:12,419 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-11-24 00:30:12,420 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 00:30:12,420 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 00:30:12,421 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 00:30:12,422 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:30:09" (3/4) ...
[2024-11-24 00:30:12,424 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample
[2024-11-24 00:30:12,426 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back.
[2024-11-24 00:30:12,426 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back.
[2024-11-24 00:30:12,460 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 00:30:12,461 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 00:30:12,461 INFO L158 Benchmark]: Toolchain (without parser) took 3210.25ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 67.9MB in the end (delta: 25.4MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB.
[2024-11-24 00:30:12,462 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:30:12,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.09ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 77.5MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 00:30:12,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.94ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:30:12,463 INFO L158 Benchmark]: Boogie Preprocessor took 30.06ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 74.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:30:12,463 INFO L158 Benchmark]: RCFGBuilder took 249.61ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 65.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:30:12,463 INFO L158 Benchmark]: BuchiAutomizer took 2432.39ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 70.2MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:30:12,464 INFO L158 Benchmark]: Witness Printer took 41.18ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 67.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:30:12,466 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 421.09ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 77.5MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 30.94ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 30.06ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 74.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 249.61ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 65.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* BuchiAutomizer took 2432.39ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 70.2MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 41.18ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 67.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #memory_int#0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,<LOCAL,main>]]]
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: The program execution was not completely translated back.
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: The program execution was not completely translated back.
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: The program execution was not completely translated back.
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: The program execution was not completely translated back.
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: The program execution was not completely translated back.
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: The program execution was not completely translated back.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function null and consists of 7 locations. The remainder module has 12 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 7 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital99 mio100 ax118 hnf100 lsp84 ukn76 mio100 lsp30 div100 bol100 ite100 ukn100 eq186 hnf93 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: 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: 551]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L549] int* x = __builtin_alloca (sizeof(int));
[L550] *x = __VERIFIER_nondet_int()
[L551] \read(*x)
Loop:
[L551] COND TRUE *x <= 10
[L552] EXPR \read(*x)
[L552] COND FALSE !(*x > 6)
[L551] \read(*x)
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 551]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L549] int* x = __builtin_alloca (sizeof(int));
[L550] *x = __VERIFIER_nondet_int()
[L551] \read(*x)
Loop:
[L551] COND TRUE *x <= 10
[L552] EXPR \read(*x)
[L552] COND FALSE !(*x > 6)
[L551] \read(*x)
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-11-24 00:30:12,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b11adfa8-69c4-421a-9b0b-1dd774552134/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (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(TERM)