./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector/jain_4-2.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version c3fed411
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/bitvector/jain_4-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 32bit --witnessprinter.graph.data.programhash 1cbac86a7d2d3b0f5135f8cc4b9786f5bd2e458e412a649884fa942dedde8dfa
--- Real Ultimate output ---
This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41
[2021-12-19 17:54:17,374 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-12-19 17:54:17,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-12-19 17:54:17,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-12-19 17:54:17,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-12-19 17:54:17,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-12-19 17:54:17,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-12-19 17:54:17,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-12-19 17:54:17,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-12-19 17:54:17,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-12-19 17:54:17,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-12-19 17:54:17,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-12-19 17:54:17,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-12-19 17:54:17,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-12-19 17:54:17,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-12-19 17:54:17,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-12-19 17:54:17,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-12-19 17:54:17,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-12-19 17:54:17,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-12-19 17:54:17,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-12-19 17:54:17,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-12-19 17:54:17,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-12-19 17:54:17,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-12-19 17:54:17,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-12-19 17:54:17,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-12-19 17:54:17,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-12-19 17:54:17,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-12-19 17:54:17,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-12-19 17:54:17,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-12-19 17:54:17,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-12-19 17:54:17,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-12-19 17:54:17,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-12-19 17:54:17,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-12-19 17:54:17,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-12-19 17:54:17,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-12-19 17:54:17,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-12-19 17:54:17,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-12-19 17:54:17,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-12-19 17:54:17,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-12-19 17:54:17,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-12-19 17:54:17,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-12-19 17:54:17,481 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-12-19 17:54:17,507 INFO L113 SettingsManager]: Loading preferences was successful
[2021-12-19 17:54:17,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-12-19 17:54:17,508 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-12-19 17:54:17,508 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-12-19 17:54:17,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-12-19 17:54:17,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-12-19 17:54:17,509 INFO L138 SettingsManager]: * Use SBE=true
[2021-12-19 17:54:17,510 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-12-19 17:54:17,510 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-12-19 17:54:17,510 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-12-19 17:54:17,511 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-12-19 17:54:17,511 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-12-19 17:54:17,511 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-12-19 17:54:17,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-12-19 17:54:17,511 INFO L138 SettingsManager]: * sizeof long=4
[2021-12-19 17:54:17,511 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-12-19 17:54:17,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-12-19 17:54:17,512 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-12-19 17:54:17,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-12-19 17:54:17,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-12-19 17:54:17,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-12-19 17:54:17,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-12-19 17:54:17,512 INFO L138 SettingsManager]: * sizeof long double=12
[2021-12-19 17:54:17,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-12-19 17:54:17,513 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-12-19 17:54:17,513 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-12-19 17:54:17,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-12-19 17:54:17,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-12-19 17:54:17,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-12-19 17:54:17,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-12-19 17:54:17,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-12-19 17:54:17,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-12-19 17:54:17,514 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-12-19 17:54:17,515 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cbac86a7d2d3b0f5135f8cc4b9786f5bd2e458e412a649884fa942dedde8dfa
[2021-12-19 17:54:17,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-12-19 17:54:17,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-12-19 17:54:17,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-12-19 17:54:17,724 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-12-19 17:54:17,725 INFO L275 PluginConnector]: CDTParser initialized
[2021-12-19 17:54:17,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_4-2.c
[2021-12-19 17:54:17,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9217b0b4a/d04837cff8fd4a4e8f2a965247af2cc4/FLAG946eaf0a4
[2021-12-19 17:54:18,133 INFO L306 CDTParser]: Found 1 translation units.
[2021-12-19 17:54:18,134 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_4-2.c
[2021-12-19 17:54:18,137 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9217b0b4a/d04837cff8fd4a4e8f2a965247af2cc4/FLAG946eaf0a4
[2021-12-19 17:54:18,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9217b0b4a/d04837cff8fd4a4e8f2a965247af2cc4
[2021-12-19 17:54:18,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-12-19 17:54:18,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-12-19 17:54:18,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-12-19 17:54:18,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-12-19 17:54:18,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-12-19 17:54:18,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:54:18" (1/1) ...
[2021-12-19 17:54:18,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f477678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:54:18, skipping insertion in model container
[2021-12-19 17:54:18,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:54:18" (1/1) ...
[2021-12-19 17:54:18,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-12-19 17:54:18,183 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-12-19 17:54:18,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_4-2.c[675,688]
[2021-12-19 17:54:18,305 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-12-19 17:54:18,311 INFO L203 MainTranslator]: Completed pre-run
[2021-12-19 17:54:18,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_4-2.c[675,688]
[2021-12-19 17:54:18,320 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-12-19 17:54:18,329 INFO L208 MainTranslator]: Completed translation
[2021-12-19 17:54:18,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:54:18 WrapperNode
[2021-12-19 17:54:18,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-12-19 17:54:18,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-12-19 17:54:18,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-12-19 17:54:18,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-12-19 17:54:18,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:54:18" (1/1) ...
[2021-12-19 17:54:18,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:54:18" (1/1) ...
[2021-12-19 17:54:18,354 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35
[2021-12-19 17:54:18,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-12-19 17:54:18,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-12-19 17:54:18,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-12-19 17:54:18,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-12-19 17:54:18,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:54:18" (1/1) ...
[2021-12-19 17:54:18,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:54:18" (1/1) ...
[2021-12-19 17:54:18,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:54:18" (1/1) ...
[2021-12-19 17:54:18,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:54:18" (1/1) ...
[2021-12-19 17:54:18,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:54:18" (1/1) ...
[2021-12-19 17:54:18,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:54:18" (1/1) ...
[2021-12-19 17:54:18,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:54:18" (1/1) ...
[2021-12-19 17:54:18,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-12-19 17:54:18,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-12-19 17:54:18,374 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-12-19 17:54:18,374 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-12-19 17:54:18,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:54:18" (1/1) ...
[2021-12-19 17:54:18,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-12-19 17:54:18,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-12-19 17:54:18,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-12-19 17:54:18,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-12-19 17:54:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-12-19 17:54:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-12-19 17:54:18,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-12-19 17:54:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-12-19 17:54:18,468 INFO L236 CfgBuilder]: Building ICFG
[2021-12-19 17:54:18,469 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2021-12-19 17:54:18,551 INFO L277 CfgBuilder]: Performing block encoding
[2021-12-19 17:54:18,556 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-12-19 17:54:18,557 INFO L301 CfgBuilder]: Removed 1 assume(true) statements.
[2021-12-19 17:54:18,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:54:18 BoogieIcfgContainer
[2021-12-19 17:54:18,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-12-19 17:54:18,559 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-12-19 17:54:18,559 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-12-19 17:54:18,562 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-12-19 17:54:18,562 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-12-19 17:54:18,562 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 05:54:18" (1/3) ...
[2021-12-19 17:54:18,563 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b2a5a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 05:54:18, skipping insertion in model container
[2021-12-19 17:54:18,564 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-12-19 17:54:18,564 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:54:18" (2/3) ...
[2021-12-19 17:54:18,564 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b2a5a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 05:54:18, skipping insertion in model container
[2021-12-19 17:54:18,564 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-12-19 17:54:18,564 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:54:18" (3/3) ...
[2021-12-19 17:54:18,566 INFO L388 chiAutomizerObserver]: Analyzing ICFG jain_4-2.c
[2021-12-19 17:54:18,614 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-12-19 17:54:18,614 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-12-19 17:54:18,614 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-12-19 17:54:18,614 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-12-19 17:54:18,614 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-12-19 17:54:18,615 INFO L364 BuchiCegarLoop]: Difference is false
[2021-12-19 17:54:18,615 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-12-19 17:54:18,615 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-12-19 17:54:18,625 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)
[2021-12-19 17:54:18,639 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4
[2021-12-19 17:54:18,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-12-19 17:54:18,640 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-12-19 17:54:18,643 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-12-19 17:54:18,643 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2021-12-19 17:54:18,644 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-12-19 17:54:18,644 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)
[2021-12-19 17:54:18,645 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4
[2021-12-19 17:54:18,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-12-19 17:54:18,645 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-12-19 17:54:18,646 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-12-19 17:54:18,646 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2021-12-19 17:54:18,650 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := 0;main_~y~0#1 := 0;main_~z~0#1 := 0; 7#L28-2true
[2021-12-19 17:54:18,651 INFO L793 eck$LassoCheckResult]: Loop: 7#L28-2true assume !false;main_~x~0#1 := main_~x~0#1 + 4 * main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~y~0#1 := main_~y~0#1 + 4 * main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~z~0#1 := main_~z~0#1 + 8 * main_#t~nondet6#1;havoc main_#t~nondet6#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 != (main_~x~0#1 + main_~y~0#1 + main_~z~0#1) % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 6#L15true assume !(0 == __VERIFIER_assert_~cond#1); 11#L15-2true assume { :end_inline___VERIFIER_assert } true; 7#L28-2true
[2021-12-19 17:54:18,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-12-19 17:54:18,656 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2021-12-19 17:54:18,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-19 17:54:18,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212791255]
[2021-12-19 17:54:18,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-19 17:54:18,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-19 17:54:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-12-19 17:54:18,738 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-12-19 17:54:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-12-19 17:54:18,771 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-12-19 17:54:18,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-12-19 17:54:18,773 INFO L85 PathProgramCache]: Analyzing trace with hash 40941, now seen corresponding path program 1 times
[2021-12-19 17:54:18,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-19 17:54:18,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084569204]
[2021-12-19 17:54:18,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-19 17:54:18,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-19 17:54:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-12-19 17:54:18,793 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-12-19 17:54:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-12-19 17:54:18,813 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-12-19 17:54:18,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-12-19 17:54:18,816 INFO L85 PathProgramCache]: Analyzing trace with hash 28699883, now seen corresponding path program 1 times
[2021-12-19 17:54:18,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-19 17:54:18,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393331326]
[2021-12-19 17:54:18,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-19 17:54:18,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-19 17:54:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-12-19 17:54:18,832 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-12-19 17:54:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-12-19 17:54:18,860 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-12-19 17:54:19,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.12 05:54:19 BoogieIcfgContainer
[2021-12-19 17:54:19,132 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-12-19 17:54:19,132 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-12-19 17:54:19,132 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-12-19 17:54:19,132 INFO L275 PluginConnector]: Witness Printer initialized
[2021-12-19 17:54:19,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:54:18" (3/4) ...
[2021-12-19 17:54:19,134 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2021-12-19 17:54:19,154 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2021-12-19 17:54:19,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-12-19 17:54:19,158 INFO L158 Benchmark]: Toolchain (without parser) took 1006.64ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 76.7MB in the beginning and 72.3MB in the end (delta: 4.4MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB.
[2021-12-19 17:54:19,158 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-12-19 17:54:19,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.85ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 76.3MB in the beginning and 112.5MB in the end (delta: -36.2MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB.
[2021-12-19 17:54:19,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.36ms. Allocated memory is still 136.3MB. Free memory was 112.5MB in the beginning and 111.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-12-19 17:54:19,160 INFO L158 Benchmark]: Boogie Preprocessor took 17.95ms. Allocated memory is still 136.3MB. Free memory was 111.1MB in the beginning and 110.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-12-19 17:54:19,161 INFO L158 Benchmark]: RCFGBuilder took 184.45ms. Allocated memory is still 136.3MB. Free memory was 110.0MB in the beginning and 101.1MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-12-19 17:54:19,163 INFO L158 Benchmark]: BuchiAutomizer took 573.11ms. Allocated memory is still 136.3MB. Free memory was 101.1MB in the beginning and 73.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
[2021-12-19 17:54:19,163 INFO L158 Benchmark]: Witness Printer took 22.65ms. Allocated memory is still 136.3MB. Free memory was 73.8MB in the beginning and 72.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-12-19 17:54:19,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 170.85ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 76.3MB in the beginning and 112.5MB in the end (delta: -36.2MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 24.36ms. Allocated memory is still 136.3MB. Free memory was 112.5MB in the beginning and 111.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 17.95ms. Allocated memory is still 136.3MB. Free memory was 111.1MB in the beginning and 110.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 184.45ms. Allocated memory is still 136.3MB. Free memory was 110.0MB in the beginning and 101.1MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* BuchiAutomizer took 573.11ms. Allocated memory is still 136.3MB. Free memory was 101.1MB in the beginning and 73.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
* Witness Printer took 22.65ms. Allocated memory is still 136.3MB. Free memory was 73.8MB in the beginning and 72.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Trivial decomposition into one nonterminating module.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 0.5s 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: 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: 1]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=1}
State at position 1 is
{y=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@219a07a3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53bd2c7e=0, x=0, NULL=0, NULL=0, \old(cond)=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73cb16a=0, NULL=1, \result=0, z=0, cond=1}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 28]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L22] unsigned int x,y,z;
[L24] x=0U
[L25] y=0U
[L26] z=0U
Loop:
[L28] COND TRUE 1
[L30] x = x +4U*__VERIFIER_nondet_uint()
[L31] y = y +4U*__VERIFIER_nondet_uint()
[L32] z = z +8U*__VERIFIER_nondet_uint()
[L34] CALL __VERIFIER_assert(x+y+z!=1U)
[L15] COND FALSE !(!(cond))
[L34] RET __VERIFIER_assert(x+y+z!=1U)
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-12-19 17:54:19,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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)