./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/Ex05.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/Ex05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/bin/uautomizer-YU5uOKAj3y --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 fe18722fa54a7078517ae7582e6099223a71d937bfeb5065d832643df19b81c8
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:26:10,064 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:26:10,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:26:10,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:26:10,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:26:10,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:26:10,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:26:10,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:26:10,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:26:10,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:26:10,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:26:10,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:26:10,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:26:10,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:26:10,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:26:10,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:26:10,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:26:10,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:26:10,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:26:10,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:26:10,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:26:10,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:26:10,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:26:10,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:26:10,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:26:10,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:26:10,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:26:10,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:26:10,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:26:10,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:26:10,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:26:10,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:26:10,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:26:10,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:26:10,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:26:10,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:26:10,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:26:10,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:26:10,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:26:10,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:26:10,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:26:10,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-64bit-Automizer_Default.epf
[2021-11-13 18:26:10,288 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:26:10,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:26:10,289 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:26:10,290 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:26:10,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:26:10,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:26:10,293 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:26:10,293 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-11-13 18:26:10,293 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-11-13 18:26:10,294 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-11-13 18:26:10,295 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-11-13 18:26:10,296 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-11-13 18:26:10,296 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-11-13 18:26:10,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:26:10,297 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 18:26:10,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:26:10,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:26:10,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-11-13 18:26:10,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-11-13 18:26:10,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-11-13 18:26:10,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:26:10,299 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-11-13 18:26:10,299 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:26:10,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-11-13 18:26:10,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:26:10,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:26:10,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:26:10,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:26:10,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:26:10,305 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-11-13 18:26:10,305 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_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/bin/uautomizer-YU5uOKAj3y/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe18722fa54a7078517ae7582e6099223a71d937bfeb5065d832643df19b81c8
[2021-11-13 18:26:10,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:26:10,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:26:10,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:26:10,678 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:26:10,679 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:26:10,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/termination-restricted-15/Ex05.c
[2021-11-13 18:26:10,810 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/bin/uautomizer-YU5uOKAj3y/data/960aa598f/081fc44d27b94a1da38a7e332368cfd5/FLAGbaa808e17
[2021-11-13 18:26:11,389 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:26:11,389 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/sv-benchmarks/c/termination-restricted-15/Ex05.c
[2021-11-13 18:26:11,396 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/bin/uautomizer-YU5uOKAj3y/data/960aa598f/081fc44d27b94a1da38a7e332368cfd5/FLAGbaa808e17
[2021-11-13 18:26:11,728 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/bin/uautomizer-YU5uOKAj3y/data/960aa598f/081fc44d27b94a1da38a7e332368cfd5
[2021-11-13 18:26:11,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:26:11,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:26:11,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:26:11,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:26:11,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:26:11,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:26:11" (1/1) ...
[2021-11-13 18:26:11,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130c75bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:26:11, skipping insertion in model container
[2021-11-13 18:26:11,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:26:11" (1/1) ...
[2021-11-13 18:26:11,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:26:11,774 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:26:12,042 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:26:12,049 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:26:12,062 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:26:12,076 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:26:12,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:26:12 WrapperNode
[2021-11-13 18:26:12,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:26:12,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:26:12,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:26:12,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:26:12,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:26:12" (1/1) ...
[2021-11-13 18:26:12,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:26:12" (1/1) ...
[2021-11-13 18:26:12,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:26:12,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:26:12,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:26:12,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:26:12,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:26:12" (1/1) ...
[2021-11-13 18:26:12,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:26:12" (1/1) ...
[2021-11-13 18:26:12,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:26:12" (1/1) ...
[2021-11-13 18:26:12,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:26:12" (1/1) ...
[2021-11-13 18:26:12,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:26:12" (1/1) ...
[2021-11-13 18:26:12,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:26:12" (1/1) ...
[2021-11-13 18:26:12,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:26:12" (1/1) ...
[2021-11-13 18:26:12,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:26:12,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:26:12,133 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:26:12,133 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:26:12,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:26:12" (1/1) ...
[2021-11-13 18:26:12,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:26:12,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:26:12,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:26:12,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:26:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:26:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:26:12,347 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:26:12,348 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-11-13 18:26:12,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:26:12 BoogieIcfgContainer
[2021-11-13 18:26:12,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:26:12,351 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-11-13 18:26:12,352 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-11-13 18:26:12,356 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-11-13 18:26:12,357 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:26:12,357 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:26:11" (1/3) ...
[2021-11-13 18:26:12,359 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ba9f087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:26:12, skipping insertion in model container
[2021-11-13 18:26:12,359 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:26:12,359 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:26:12" (2/3) ...
[2021-11-13 18:26:12,360 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ba9f087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:26:12, skipping insertion in model container
[2021-11-13 18:26:12,360 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:26:12,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:26:12" (3/3) ...
[2021-11-13 18:26:12,362 INFO L388 chiAutomizerObserver]: Analyzing ICFG Ex05.c
[2021-11-13 18:26:12,410 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-11-13 18:26:12,410 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-11-13 18:26:12,410 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-11-13 18:26:12,411 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-11-13 18:26:12,411 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-11-13 18:26:12,411 INFO L364 BuchiCegarLoop]: Difference is false
[2021-11-13 18:26:12,411 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-11-13 18:26:12,411 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-11-13 18:26:12,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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)
[2021-11-13 18:26:12,442 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1
[2021-11-13 18:26:12,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:26:12,444 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:26:12,451 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-11-13 18:26:12,452 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1]
[2021-11-13 18:26:12,452 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-11-13 18:26:12,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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)
[2021-11-13 18:26:12,454 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1
[2021-11-13 18:26:12,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:26:12,454 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:26:12,454 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-11-13 18:26:12,454 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1]
[2021-11-13 18:26:12,460 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 5#L9-2true
[2021-11-13 18:26:12,461 INFO L793 eck$LassoCheckResult]: Loop: 5#L9-2true assume !!(0 != ~unnamed0~0~true); 5#L9-2true
[2021-11-13 18:26:12,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:26:12,467 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2021-11-13 18:26:12,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:26:12,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759972264]
[2021-11-13 18:26:12,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:26:12,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:26:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:26:12,566 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:26:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:26:12,590 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:26:12,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:26:12,594 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times
[2021-11-13 18:26:12,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:26:12,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812504189]
[2021-11-13 18:26:12,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:26:12,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:26:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:26:12,601 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:26:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:26:12,604 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:26:12,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:26:12,607 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times
[2021-11-13 18:26:12,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:26:12,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536068455]
[2021-11-13 18:26:12,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:26:12,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:26:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:26:12,613 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:26:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:26:12,617 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:26:12,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:26:12 BoogieIcfgContainer
[2021-11-13 18:26:12,683 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-11-13 18:26:12,684 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:26:12,684 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:26:12,684 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:26:12,685 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:26:12" (3/4) ...
[2021-11-13 18:26:12,692 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2021-11-13 18:26:12,742 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 18:26:12,742 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:26:12,745 INFO L158 Benchmark]: Toolchain (without parser) took 1006.29ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 41.7MB in the end (delta: 14.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB.
[2021-11-13 18:26:12,747 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 90.2MB. Free memory was 60.1MB in the beginning and 60.0MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:26:12,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.79ms. Allocated memory is still 90.2MB. Free memory was 55.6MB in the beginning and 67.2MB in the end (delta: -11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:26:12,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.80ms. Allocated memory is still 90.2MB. Free memory was 67.2MB in the beginning and 66.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:26:12,758 INFO L158 Benchmark]: Boogie Preprocessor took 20.61ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 65.1MB in the end (delta: 993.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:26:12,759 INFO L158 Benchmark]: RCFGBuilder took 218.05ms. Allocated memory is still 90.2MB. Free memory was 65.1MB in the beginning and 58.1MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2021-11-13 18:26:12,760 INFO L158 Benchmark]: BuchiAutomizer took 331.83ms. Allocated memory is still 90.2MB. Free memory was 58.1MB in the beginning and 43.0MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2021-11-13 18:26:12,762 INFO L158 Benchmark]: Witness Printer took 58.31ms. Allocated memory is still 90.2MB. Free memory was 43.0MB in the beginning and 41.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:26:12,771 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.37ms. Allocated memory is still 90.2MB. Free memory was 60.1MB in the beginning and 60.0MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 334.79ms. Allocated memory is still 90.2MB. Free memory was 55.6MB in the beginning and 67.2MB in the end (delta: -11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 31.80ms. Allocated memory is still 90.2MB. Free memory was 67.2MB in the beginning and 66.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 20.61ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 65.1MB in the end (delta: 993.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 218.05ms. Allocated memory is still 90.2MB. Free memory was 65.1MB in the beginning and 58.1MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* BuchiAutomizer took 331.83ms. Allocated memory is still 90.2MB. Free memory was 58.1MB in the beginning and 43.0MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Witness Printer took 58.31ms. Allocated memory is still 90.2MB. Free memory was 43.0MB in the beginning and 41.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Trivial decomposition into one nonterminating module.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 0.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- FixpointNonTerminationResult [Line: 9]: 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
{i=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d498c69=0}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 9]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L6] int i;
[L7] i = __VERIFIER_nondet_int()
Loop:
[L9] COND TRUE \read(true)
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-11-13 18:26:12,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5744ebff-9dc6-456e-a2a0-59ef1fc1565f/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)