./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/memsafety/test-0217.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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/memsafety/test-0217.i -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 02ceabdf8a143ae2afc1cae1911c9d527c00da00 ........................................................................................................................................................................................................................................................................................................................................ 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 0.1.25-9a8b2e8 [2020-10-20 08:19:11,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 08:19:11,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 08:19:11,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 08:19:11,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 08:19:11,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 08:19:11,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 08:19:11,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 08:19:11,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 08:19:11,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 08:19:11,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 08:19:11,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 08:19:11,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 08:19:11,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 08:19:11,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 08:19:11,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 08:19:11,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 08:19:11,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 08:19:11,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 08:19:11,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 08:19:11,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 08:19:11,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 08:19:11,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 08:19:11,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 08:19:11,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 08:19:11,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 08:19:11,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 08:19:11,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 08:19:11,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 08:19:11,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 08:19:11,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 08:19:11,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 08:19:11,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 08:19:11,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 08:19:11,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 08:19:11,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 08:19:11,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 08:19:11,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 08:19:11,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 08:19:11,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 08:19:11,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 08:19:11,671 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 08:19:11,710 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 08:19:11,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 08:19:11,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 08:19:11,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 08:19:11,712 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 08:19:11,713 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 08:19:11,713 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 08:19:11,713 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 08:19:11,713 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 08:19:11,714 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 08:19:11,714 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 08:19:11,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 08:19:11,714 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 08:19:11,715 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 08:19:11,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 08:19:11,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 08:19:11,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 08:19:11,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 08:19:11,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 08:19:11,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 08:19:11,716 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 08:19:11,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 08:19:11,717 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 08:19:11,717 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 08:19:11,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 08:19:11,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 08:19:11,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 08:19:11,718 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 08:19:11,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 08:19:11,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 08:19:11,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 08:19:11,719 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 08:19:11,720 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 08:19:11,720 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> 02ceabdf8a143ae2afc1cae1911c9d527c00da00 [2020-10-20 08:19:11,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 08:19:11,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 08:19:11,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 08:19:11,932 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 08:19:11,932 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 08:19:11,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-0217.i [2020-10-20 08:19:11,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5d15546f/a5c250c8ddc64b1c98d88462f2d31270/FLAG1f6f6ba6f [2020-10-20 08:19:12,570 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 08:19:12,571 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/test-0217.i [2020-10-20 08:19:12,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5d15546f/a5c250c8ddc64b1c98d88462f2d31270/FLAG1f6f6ba6f [2020-10-20 08:19:12,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5d15546f/a5c250c8ddc64b1c98d88462f2d31270 [2020-10-20 08:19:12,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 08:19:12,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 08:19:12,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 08:19:12,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 08:19:12,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 08:19:12,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 08:19:12" (1/1) ... [2020-10-20 08:19:12,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ad49e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:12, skipping insertion in model container [2020-10-20 08:19:12,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 08:19:12" (1/1) ... [2020-10-20 08:19:12,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 08:19:12,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 08:19:13,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 08:19:13,405 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 08:19:13,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 08:19:13,543 INFO L208 MainTranslator]: Completed translation [2020-10-20 08:19:13,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:13 WrapperNode [2020-10-20 08:19:13,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 08:19:13,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 08:19:13,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 08:19:13,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 08:19:13,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:13" (1/1) ... [2020-10-20 08:19:13,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:13" (1/1) ... [2020-10-20 08:19:13,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 08:19:13,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 08:19:13,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 08:19:13,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 08:19:13,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:13" (1/1) ... [2020-10-20 08:19:13,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:13" (1/1) ... [2020-10-20 08:19:13,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:13" (1/1) ... [2020-10-20 08:19:13,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:13" (1/1) ... [2020-10-20 08:19:13,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:13" (1/1) ... [2020-10-20 08:19:13,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:13" (1/1) ... [2020-10-20 08:19:13,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:13" (1/1) ... [2020-10-20 08:19:13,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 08:19:13,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 08:19:13,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 08:19:13,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 08:19:13,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 08:19:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 08:19:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-20 08:19:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-20 08:19:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 08:19:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 08:19:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 08:19:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 08:19:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 08:19:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-20 08:19:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 08:19:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 08:19:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 08:19:13,908 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 08:19:14,298 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 08:19:14,298 INFO L298 CfgBuilder]: Removed 21 assume(true) statements. [2020-10-20 08:19:14,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:19:14 BoogieIcfgContainer [2020-10-20 08:19:14,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 08:19:14,304 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 08:19:14,304 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 08:19:14,308 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 08:19:14,312 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:19:14,312 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 08:19:12" (1/3) ... [2020-10-20 08:19:14,314 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65876be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 08:19:14, skipping insertion in model container [2020-10-20 08:19:14,314 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:19:14,315 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:13" (2/3) ... [2020-10-20 08:19:14,315 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65876be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 08:19:14, skipping insertion in model container [2020-10-20 08:19:14,315 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:19:14,315 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:19:14" (3/3) ... [2020-10-20 08:19:14,317 INFO L373 chiAutomizerObserver]: Analyzing ICFG test-0217.i [2020-10-20 08:19:14,367 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 08:19:14,368 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 08:19:14,368 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 08:19:14,368 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 08:19:14,369 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 08:19:14,369 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 08:19:14,369 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 08:19:14,369 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 08:19:14,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states. [2020-10-20 08:19:14,444 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2020-10-20 08:19:14,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:19:14,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:19:14,452 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 08:19:14,453 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 08:19:14,453 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 08:19:14,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states. [2020-10-20 08:19:14,463 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2020-10-20 08:19:14,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:19:14,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:19:14,464 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 08:19:14,464 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 08:19:14,470 INFO L794 eck$LassoCheckResult]: Stem: 21#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12);call ~#list~0.base, ~#list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 6#L-1true havoc main_#res;havoc main_#t~ret33, main_#t~nondet32, main_#t~ret35, main_#t~nondet34, main_#t~nondet31, main_#t~nondet36, main_#t~mem37.base, main_#t~mem37.offset, main_#t~mem38.base, main_#t~mem38.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; 29#L732-2true [2020-10-20 08:19:14,471 INFO L796 eck$LassoCheckResult]: Loop: 29#L732-2true assume !!(0 != main_#t~nondet31);havoc main_#t~nondet31; 41#L730-2true assume !true; 25#L732-1true assume !true; 29#L732-2true [2020-10-20 08:19:14,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:14,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2020-10-20 08:19:14,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:14,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974973040] [2020-10-20 08:19:14,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:14,605 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:14,622 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:14,662 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:14,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:14,665 INFO L82 PathProgramCache]: Analyzing trace with hash 52490, now seen corresponding path program 1 times [2020-10-20 08:19:14,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:14,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721087716] [2020-10-20 08:19:14,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:19:14,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:19:14,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721087716] [2020-10-20 08:19:14,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 08:19:14,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 08:19:14,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499441257] [2020-10-20 08:19:14,743 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 08:19:14,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 08:19:14,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 08:19:14,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 08:19:14,764 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2020-10-20 08:19:14,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 08:19:14,790 INFO L93 Difference]: Finished difference Result 52 states and 72 transitions. [2020-10-20 08:19:14,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 08:19:14,792 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 72 transitions. [2020-10-20 08:19:14,799 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2020-10-20 08:19:14,812 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 48 states and 68 transitions. [2020-10-20 08:19:14,814 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2020-10-20 08:19:14,816 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2020-10-20 08:19:14,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 68 transitions. [2020-10-20 08:19:14,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:19:14,818 INFO L691 BuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2020-10-20 08:19:14,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 68 transitions. [2020-10-20 08:19:14,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-20 08:19:14,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-20 08:19:14,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2020-10-20 08:19:14,858 INFO L714 BuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2020-10-20 08:19:14,859 INFO L594 BuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2020-10-20 08:19:14,859 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 08:19:14,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 68 transitions. [2020-10-20 08:19:14,863 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2020-10-20 08:19:14,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:19:14,863 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:19:14,863 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 08:19:14,863 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 08:19:14,864 INFO L794 eck$LassoCheckResult]: Stem: 154#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12);call ~#list~0.base, ~#list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 131#L-1 havoc main_#res;havoc main_#t~ret33, main_#t~nondet32, main_#t~ret35, main_#t~nondet34, main_#t~nondet31, main_#t~nondet36, main_#t~mem37.base, main_#t~mem37.offset, main_#t~mem38.base, main_#t~mem38.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; 132#L732-2 [2020-10-20 08:19:14,864 INFO L796 eck$LassoCheckResult]: Loop: 132#L732-2 assume !!(0 != main_#t~nondet31);havoc main_#t~nondet31; 148#L730-2 assume !(0 != main_#t~nondet32);havoc main_#t~nondet32; 134#L732-1 assume !(0 != main_#t~nondet34);havoc main_#t~nondet34; 132#L732-2 [2020-10-20 08:19:14,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:14,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2020-10-20 08:19:14,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:14,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935982682] [2020-10-20 08:19:14,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:14,902 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:14,917 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:14,922 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:14,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:14,922 INFO L82 PathProgramCache]: Analyzing trace with hash 49962, now seen corresponding path program 1 times [2020-10-20 08:19:14,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:14,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604948834] [2020-10-20 08:19:14,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:14,945 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:14,952 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:14,954 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:14,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:14,955 INFO L82 PathProgramCache]: Analyzing trace with hash 37288712, now seen corresponding path program 1 times [2020-10-20 08:19:14,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:14,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999662438] [2020-10-20 08:19:14,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:14,981 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:15,001 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:15,010 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:15,242 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2020-10-20 08:19:15,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 08:19:15 BoogieIcfgContainer [2020-10-20 08:19:15,348 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 08:19:15,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 08:19:15,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 08:19:15,349 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 08:19:15,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:19:14" (3/4) ... [2020-10-20 08:19:15,353 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-10-20 08:19:15,395 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 08:19:15,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 08:19:15,398 INFO L168 Benchmark]: Toolchain (without parser) took 2597.69 ms. Allocated memory was 35.7 MB in the beginning and 54.5 MB in the end (delta: 18.9 MB). Free memory was 8.3 MB in the beginning and 18.1 MB in the end (delta: -9.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:15,399 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 35.1 MB. Free memory was 14.1 MB in the beginning and 14.0 MB in the end (delta: 49.2 kB). Peak memory consumption was 49.2 kB. Max. memory is 14.3 GB. [2020-10-20 08:19:15,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.35 ms. Allocated memory was 35.7 MB in the beginning and 46.7 MB in the end (delta: 11.0 MB). Free memory was 7.4 MB in the beginning and 17.8 MB in the end (delta: -10.5 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:15,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.81 ms. Allocated memory is still 46.7 MB. Free memory was 17.6 MB in the beginning and 14.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:15,402 INFO L168 Benchmark]: Boogie Preprocessor took 42.91 ms. Allocated memory is still 46.7 MB. Free memory was 14.7 MB in the beginning and 12.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:15,403 INFO L168 Benchmark]: RCFGBuilder took 650.32 ms. Allocated memory was 46.7 MB in the beginning and 49.8 MB in the end (delta: 3.1 MB). Free memory was 12.3 MB in the beginning and 14.4 MB in the end (delta: -2.1 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:15,404 INFO L168 Benchmark]: BuchiAutomizer took 1044.87 ms. Allocated memory was 49.8 MB in the beginning and 54.5 MB in the end (delta: 4.7 MB). Free memory was 14.4 MB in the beginning and 20.3 MB in the end (delta: -6.0 MB). Peak memory consumption was 11.3 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:15,404 INFO L168 Benchmark]: Witness Printer took 46.88 ms. Allocated memory is still 54.5 MB. Free memory was 19.9 MB in the beginning and 18.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:15,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 35.1 MB. Free memory was 14.1 MB in the beginning and 14.0 MB in the end (delta: 49.2 kB). Peak memory consumption was 49.2 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 737.35 ms. Allocated memory was 35.7 MB in the beginning and 46.7 MB in the end (delta: 11.0 MB). Free memory was 7.4 MB in the beginning and 17.8 MB in the end (delta: -10.5 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 64.81 ms. Allocated memory is still 46.7 MB. Free memory was 17.6 MB in the beginning and 14.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 42.91 ms. Allocated memory is still 46.7 MB. Free memory was 14.7 MB in the beginning and 12.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 650.32 ms. Allocated memory was 46.7 MB in the beginning and 49.8 MB in the end (delta: 3.1 MB). Free memory was 12.3 MB in the beginning and 14.4 MB in the end (delta: -2.1 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 1044.87 ms. Allocated memory was 49.8 MB in the beginning and 54.5 MB in the end (delta: 4.7 MB). Free memory was 14.4 MB in the beginning and 20.3 MB in the end (delta: -6.0 MB). Peak memory consumption was 11.3 MB. Max. memory is 14.3 GB. * Witness Printer took 46.88 ms. Allocated memory is still 54.5 MB. Free memory was 19.9 MB in the beginning and 18.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 2 locations. The remainder module has 48 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 48 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 72 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 729]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=11842} State at position 1 is {cursor=0, NULL=0, NULL=11845, \result=0, NULL=11842, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7493b37f=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@566a4016=0, list=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@1dc43c03=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@1dc43c03=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@792a9802=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40dad59e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3772b438=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d85d46e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e4d3442=0, end_point=0, NULL=11844, NULL=0, list=11843, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@792a9802=0, next=0, next=0, cursor=0, direction=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 729]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L728] static list_t list; Loop: [L729] COND TRUE __VERIFIER_nondet_int() [L730] COND FALSE !(__VERIFIER_nondet_int()) [L732] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...