./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1-modified.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958bc687-ab22-4bca-bf05-26318057dbff/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958bc687-ab22-4bca-bf05-26318057dbff/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958bc687-ab22-4bca-bf05-26318057dbff/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958bc687-ab22-4bca-bf05-26318057dbff/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1-modified.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958bc687-ab22-4bca-bf05-26318057dbff/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958bc687-ab22-4bca-bf05-26318057dbff/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --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 f55c3c29f65baba8ba49ec35fe2e62008dfb74b3
...........................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:20:36,952 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:20:36,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:20:36,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:20:36,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:20:36,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:20:36,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:20:37,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:20:37,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:20:37,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:20:37,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:20:37,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:20:37,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:20:37,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:20:37,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:20:37,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:20:37,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:20:37,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:20:37,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:20:37,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:20:37,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:20:37,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:20:37,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:20:37,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:20:37,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:20:37,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:20:37,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:20:37,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:20:37,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:20:37,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:20:37,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:20:37,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:20:37,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:20:37,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:20:37,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:20:37,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:20:37,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:20:37,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:20:37,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:20:37,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:20:37,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:20:37,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958bc687-ab22-4bca-bf05-26318057dbff/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf
[2021-10-11 00:20:37,074 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-11 00:20:37,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:20:37,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:20:37,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-11 00:20:37,076 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-11 00:20:37,077 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-11 00:20:37,077 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-10-11 00:20:37,077 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-10-11 00:20:37,077 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-10-11 00:20:37,078 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-10-11 00:20:37,078 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-11 00:20:37,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:20:37,078 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-11 00:20:37,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-11 00:20:37,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-11 00:20:37,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-10-11 00:20:37,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-11 00:20:37,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-10-11 00:20:37,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-11 00:20:37,080 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-10-11 00:20:37,080 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-11 00:20:37,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-10-11 00:20:37,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:20:37,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-11 00:20:37,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:20:37,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-11 00:20:37,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-11 00:20:37,083 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-11 00:20:37,083 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958bc687-ab22-4bca-bf05-26318057dbff/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958bc687-ab22-4bca-bf05-26318057dbff/bin/uautomizer-Z5i5R5N3CC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f55c3c29f65baba8ba49ec35fe2e62008dfb74b3
[2021-10-11 00:20:37,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:20:37,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:20:37,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:20:37,363 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-11 00:20:37,364 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-11 00:20:37,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958bc687-ab22-4bca-bf05-26318057dbff/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1-modified.c
[2021-10-11 00:20:37,455 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958bc687-ab22-4bca-bf05-26318057dbff/bin/uautomizer-Z5i5R5N3CC/data/e30681e86/f496feb3f5d54c2a84b67a675f7f0533/FLAGa28b62edc
[2021-10-11 00:20:37,956 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-11 00:20:37,956 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958bc687-ab22-4bca-bf05-26318057dbff/sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1-modified.c
[2021-10-11 00:20:37,963 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958bc687-ab22-4bca-bf05-26318057dbff/bin/uautomizer-Z5i5R5N3CC/data/e30681e86/f496feb3f5d54c2a84b67a675f7f0533/FLAGa28b62edc
[2021-10-11 00:20:38,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958bc687-ab22-4bca-bf05-26318057dbff/bin/uautomizer-Z5i5R5N3CC/data/e30681e86/f496feb3f5d54c2a84b67a675f7f0533
[2021-10-11 00:20:38,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:20:38,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:20:38,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:20:38,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:20:38,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:20:38,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:38" (1/1) ...
[2021-10-11 00:20:38,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba7be40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:38, skipping insertion in model container
[2021-10-11 00:20:38,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:38" (1/1) ...
[2021-10-11 00:20:38,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-11 00:20:38,402 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:20:38,552 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:20:38,557 INFO L203 MainTranslator]: Completed pre-run
[2021-10-11 00:20:38,572 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:20:38,589 INFO L208 MainTranslator]: Completed translation
[2021-10-11 00:20:38,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:38 WrapperNode
[2021-10-11 00:20:38,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:20:38,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:20:38,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:20:38,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:20:38,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:38" (1/1) ...
[2021-10-11 00:20:38,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:38" (1/1) ...
[2021-10-11 00:20:38,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:20:38,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:20:38,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:20:38,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:20:38,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:38" (1/1) ...
[2021-10-11 00:20:38,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:38" (1/1) ...
[2021-10-11 00:20:38,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:38" (1/1) ...
[2021-10-11 00:20:38,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:38" (1/1) ...
[2021-10-11 00:20:38,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:38" (1/1) ...
[2021-10-11 00:20:38,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:38" (1/1) ...
[2021-10-11 00:20:38,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:38" (1/1) ...
[2021-10-11 00:20:38,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:20:38,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:20:38,672 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:20:38,672 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:20:38,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:38" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958bc687-ab22-4bca-bf05-26318057dbff/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:20:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:20:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:20:38,961 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:20:38,962 INFO L299 CfgBuilder]: Removed 5 assume(true) statements.
[2021-10-11 00:20:38,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:38 BoogieIcfgContainer
[2021-10-11 00:20:38,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:20:38,966 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-11 00:20:38,966 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-10-11 00:20:38,971 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-10-11 00:20:38,972 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-11 00:20:38,972 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:20:38" (1/3) ...
[2021-10-11 00:20:38,974 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19bf281c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:20:38, skipping insertion in model container
[2021-10-11 00:20:38,975 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-11 00:20:38,975 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:38" (2/3) ...
[2021-10-11 00:20:38,976 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19bf281c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:20:38, skipping insertion in model container
[2021-10-11 00:20:38,976 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-11 00:20:38,976 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:38" (3/3) ...
[2021-10-11 00:20:38,978 INFO L389 chiAutomizerObserver]: Analyzing ICFG BradleyMannaSipma-CAV2005-Fig1-modified.c
[2021-10-11 00:20:39,053 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-10-11 00:20:39,053 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-10-11 00:20:39,053 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-11 00:20:39,054 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:20:39,054 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:20:39,054 INFO L364 BuchiCegarLoop]: Difference is false
[2021-10-11 00:20:39,054 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:20:39,054 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-11 00:20:39,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states.
[2021-10-11 00:20:39,089 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2021-10-11 00:20:39,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-11 00:20:39,090 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-11 00:20:39,097 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-11 00:20:39,097 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-10-11 00:20:39,097 INFO L427 BuchiCegarLoop]: ======== Iteration 1============
[2021-10-11 00:20:39,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states.
[2021-10-11 00:20:39,099 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2021-10-11 00:20:39,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-11 00:20:39,099 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-11 00:20:39,100 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-11 00:20:39,100 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-10-11 00:20:39,108 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~y1~0, main_~y2~0;havoc main_~y1~0;havoc main_~y2~0;main_~y1~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y2~0 := main_#t~nondet1;havoc main_#t~nondet1; 9#L20true assume main_~y1~0 >= 0 && main_~y2~0 >= 0; 10#L22-2true
[2021-10-11 00:20:39,109 INFO L796 eck$LassoCheckResult]: Loop: 10#L22-2true assume !!(main_~y1~0 != main_~y2~0); 4#L22true assume main_~y1~0 > main_~y2~0;main_~y1~0 := main_~y1~0 - main_~y2~0; 10#L22-2true
[2021-10-11 00:20:39,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:20:39,116 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times
[2021-10-11 00:20:39,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:20:39,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116848161]
[2021-10-11 00:20:39,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:20:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:20:39,276 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:20:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:20:39,297 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:20:39,332 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-11 00:20:39,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:20:39,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1380, now seen corresponding path program 1 times
[2021-10-11 00:20:39,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:20:39,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383543171]
[2021-10-11 00:20:39,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:20:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:20:39,364 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:20:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:20:39,378 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:20:39,379 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-11 00:20:39,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:20:39,382 INFO L82 PathProgramCache]: Analyzing trace with hash 957575, now seen corresponding path program 1 times
[2021-10-11 00:20:39,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:20:39,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924555224]
[2021-10-11 00:20:39,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:20:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:20:39,398 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:20:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:20:39,410 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:20:39,416 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-11 00:20:39,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:20:39 BoogieIcfgContainer
[2021-10-11 00:20:39,584 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-11 00:20:39,585 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:20:39,585 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:20:39,585 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-11 00:20:39,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:38" (3/4) ...
[2021-10-11 00:20:39,589 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2021-10-11 00:20:39,641 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958bc687-ab22-4bca-bf05-26318057dbff/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:20:39,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:20:39,644 INFO L168 Benchmark]: Toolchain (without parser) took 1278.84 ms. Allocated memory was 104.9 MB in the beginning and 132.1 MB in the end (delta: 27.3 MB). Free memory was 74.7 MB in the beginning and 75.7 MB in the end (delta: -1.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB.
[2021-10-11 00:20:39,645 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 104.9 MB. Free memory is still 57.9 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:20:39,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.49 ms. Allocated memory was 104.9 MB in the beginning and 132.1 MB in the end (delta: 27.3 MB). Free memory was 74.7 MB in the beginning and 108.5 MB in the end (delta: -33.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB.
[2021-10-11 00:20:39,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.17 ms. Allocated memory is still 132.1 MB. Free memory was 108.2 MB in the beginning and 107.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-11 00:20:39,647 INFO L168 Benchmark]: Boogie Preprocessor took 27.51 ms. Allocated memory is still 132.1 MB. Free memory was 107.2 MB in the beginning and 106.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:20:39,648 INFO L168 Benchmark]: RCFGBuilder took 292.71 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 97.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-11 00:20:39,649 INFO L168 Benchmark]: BuchiAutomizer took 618.56 ms. Allocated memory is still 132.1 MB. Free memory was 97.2 MB in the beginning and 77.3 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB.
[2021-10-11 00:20:39,650 INFO L168 Benchmark]: Witness Printer took 57.05 ms. Allocated memory is still 132.1 MB. Free memory was 77.3 MB in the beginning and 75.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:20:39,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28 ms. Allocated memory is still 104.9 MB. Free memory is still 57.9 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 220.49 ms. Allocated memory was 104.9 MB in the beginning and 132.1 MB in the end (delta: 27.3 MB). Free memory was 74.7 MB in the beginning and 108.5 MB in the end (delta: -33.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 50.17 ms. Allocated memory is still 132.1 MB. Free memory was 108.2 MB in the beginning and 107.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 27.51 ms. Allocated memory is still 132.1 MB. Free memory was 107.2 MB in the beginning and 106.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB.
* RCFGBuilder took 292.71 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 97.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* BuchiAutomizer took 618.56 ms. Allocated memory is still 132.1 MB. Free memory was 97.2 MB in the beginning and 77.3 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB.
* Witness Printer took 57.05 ms. Allocated memory is still 132.1 MB. Free memory was 77.3 MB in the beginning and 75.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* 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 0.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. 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: No data available 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
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- FixpointNonTerminationResult [Line: 21]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{}
State at position 1 is
{y2=0, y1=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73b4eafe=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@183edcd8=0}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 21]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L17] int y1, y2;
[L18] y1 = __VERIFIER_nondet_int()
[L19] y2 = __VERIFIER_nondet_int()
[L20] COND TRUE y1 >= 0 && y2 >= 0
Loop:
[L21] COND TRUE y1 != y2
[L22] COND TRUE y1 > y2
[L23] y1 = y1 - y2
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...