./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/memsafety/test-0214.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-0214.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 e76e236e7c6eecafb820553e8dd0e4568ba0003d ........................................................................................................................................................................................................................................................................................................................................ 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 08:19:10,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 08:19:10,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 08:19:10,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 08:19:10,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 08:19:10,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 08:19:10,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 08:19:10,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 08:19:10,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 08:19:10,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 08:19:10,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 08:19:10,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 08:19:10,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 08:19:10,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 08:19:10,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 08:19:10,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 08:19:10,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 08:19:10,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 08:19:10,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 08:19:10,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 08:19:10,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 08:19:10,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 08:19:10,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 08:19:10,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 08:19:10,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 08:19:10,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 08:19:10,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 08:19:10,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 08:19:10,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 08:19:10,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 08:19:10,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 08:19:10,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 08:19:10,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 08:19:10,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 08:19:10,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 08:19:10,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 08:19:10,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 08:19:10,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 08:19:10,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 08:19:10,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 08:19:10,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 08:19:10,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 08:19:10,904 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 08:19:10,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 08:19:10,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 08:19:10,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 08:19:10,906 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 08:19:10,906 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 08:19:10,909 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 08:19:10,910 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 08:19:10,910 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 08:19:10,910 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 08:19:10,911 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 08:19:10,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 08:19:10,911 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 08:19:10,912 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 08:19:10,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 08:19:10,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 08:19:10,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 08:19:10,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 08:19:10,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 08:19:10,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 08:19:10,914 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 08:19:10,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 08:19:10,915 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 08:19:10,915 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 08:19:10,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 08:19:10,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 08:19:10,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 08:19:10,916 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 08:19:10,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 08:19:10,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 08:19:10,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 08:19:10,917 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 08:19:10,918 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 08:19:10,918 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 -> e76e236e7c6eecafb820553e8dd0e4568ba0003d [2020-10-20 08:19:11,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 08:19:11,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 08:19:11,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 08:19:11,170 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 08:19:11,170 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 08:19:11,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-0214.i [2020-10-20 08:19:11,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03b33ec04/6651cca86ce9440bad5723f267dc1f4e/FLAG260ed55dc [2020-10-20 08:19:11,855 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 08:19:11,856 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/test-0214.i [2020-10-20 08:19:11,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03b33ec04/6651cca86ce9440bad5723f267dc1f4e/FLAG260ed55dc [2020-10-20 08:19:12,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03b33ec04/6651cca86ce9440bad5723f267dc1f4e [2020-10-20 08:19:12,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 08:19:12,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 08:19:12,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 08:19:12,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 08:19:12,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 08:19:12,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 08:19:12" (1/1) ... [2020-10-20 08:19:12,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@153f348f 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 08:19:12,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 08:19:12" (1/1) ... [2020-10-20 08:19:12,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 08:19:12,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 08:19:12,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 08:19:12,600 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 08:19:12,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 08:19:12,738 INFO L208 MainTranslator]: Completed translation [2020-10-20 08:19:12,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:12 WrapperNode [2020-10-20 08:19:12,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 08:19:12,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 08:19:12,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 08:19:12,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 08:19:12,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:12" (1/1) ... [2020-10-20 08:19:12,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:12" (1/1) ... [2020-10-20 08:19:12,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 08:19:12,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 08:19:12,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 08:19:12,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 08:19:12,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:12" (1/1) ... [2020-10-20 08:19:12,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:12" (1/1) ... [2020-10-20 08:19:12,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:12" (1/1) ... [2020-10-20 08:19:12,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:12" (1/1) ... [2020-10-20 08:19:12,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:12" (1/1) ... [2020-10-20 08:19:12,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:12" (1/1) ... [2020-10-20 08:19:12,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:12" (1/1) ... [2020-10-20 08:19:12,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 08:19:12,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 08:19:12,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 08:19:12,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 08:19:12,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:12" (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 08:19:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 08:19:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-20 08:19:12,929 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-20 08:19:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 08:19:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 08:19:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 08:19:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 08:19:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 08:19:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-20 08:19:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 08:19:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 08:19:12,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 08:19:13,082 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 08:19:13,481 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 08:19:13,482 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-20 08:19:13,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:19:13 BoogieIcfgContainer [2020-10-20 08:19:13,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 08:19:13,485 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 08:19:13,485 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 08:19:13,489 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 08:19:13,490 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:19:13,490 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 08:19:12" (1/3) ... [2020-10-20 08:19:13,491 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48a51ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 08:19:13, skipping insertion in model container [2020-10-20 08:19:13,491 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:19:13,492 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:12" (2/3) ... [2020-10-20 08:19:13,492 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48a51ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 08:19:13, skipping insertion in model container [2020-10-20 08:19:13,492 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:19:13,492 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:19:13" (3/3) ... [2020-10-20 08:19:13,494 INFO L373 chiAutomizerObserver]: Analyzing ICFG test-0214.i [2020-10-20 08:19:13,539 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 08:19:13,539 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 08:19:13,539 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 08:19:13,540 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 08:19:13,540 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 08:19:13,540 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 08:19:13,540 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 08:19:13,540 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 08:19:13,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states. [2020-10-20 08:19:13,583 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 33 [2020-10-20 08:19:13,583 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:19:13,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:19:13,591 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 08:19:13,591 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 08:19:13,591 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 08:19:13,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states. [2020-10-20 08:19:13,595 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 33 [2020-10-20 08:19:13,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:19:13,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:19:13,596 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 08:19:13,596 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 08:19:13,605 INFO L794 eck$LassoCheckResult]: Stem: 42#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); 15#L-1true havoc main_#res;havoc main_#t~ret25, main_#t~nondet24, main_#t~ret27, main_#t~nondet26, main_#t~nondet23, main_#t~nondet28, main_#t~mem29.base, main_#t~mem29.offset, main_#t~mem30.base, main_#t~mem30.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~0.base, main_~cursor~0.offset; 37#L728-2true [2020-10-20 08:19:13,605 INFO L796 eck$LassoCheckResult]: Loop: 37#L728-2true assume !!(0 != main_#t~nondet23);havoc main_#t~nondet23; 16#L726-2true assume !true; 34#L728-1true assume !true; 37#L728-2true [2020-10-20 08:19:13,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:13,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2020-10-20 08:19:13,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:13,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197266382] [2020-10-20 08:19:13,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:13,754 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:13,770 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:13,794 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:13,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:13,796 INFO L82 PathProgramCache]: Analyzing trace with hash 51626, now seen corresponding path program 1 times [2020-10-20 08:19:13,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:13,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451094198] [2020-10-20 08:19:13,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:19:13,832 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 08:19:13,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451094198] [2020-10-20 08:19:13,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 08:19:13,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 08:19:13,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376783431] [2020-10-20 08:19:13,840 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 08:19:13,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 08:19:13,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 08:19:13,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 08:19:13,860 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2020-10-20 08:19:13,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 08:19:13,873 INFO L93 Difference]: Finished difference Result 46 states and 63 transitions. [2020-10-20 08:19:13,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 08:19:13,875 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 63 transitions. [2020-10-20 08:19:13,878 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 33 [2020-10-20 08:19:13,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 42 states and 59 transitions. [2020-10-20 08:19:13,885 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2020-10-20 08:19:13,886 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2020-10-20 08:19:13,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 59 transitions. [2020-10-20 08:19:13,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:19:13,887 INFO L691 BuchiCegarLoop]: Abstraction has 42 states and 59 transitions. [2020-10-20 08:19:13,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 59 transitions. [2020-10-20 08:19:13,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-20 08:19:13,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-20 08:19:13,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions. [2020-10-20 08:19:13,916 INFO L714 BuchiCegarLoop]: Abstraction has 42 states and 59 transitions. [2020-10-20 08:19:13,916 INFO L594 BuchiCegarLoop]: Abstraction has 42 states and 59 transitions. [2020-10-20 08:19:13,916 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 08:19:13,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 59 transitions. [2020-10-20 08:19:13,918 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 33 [2020-10-20 08:19:13,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:19:13,919 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:19:13,919 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 08:19:13,919 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 08:19:13,919 INFO L794 eck$LassoCheckResult]: Stem: 139#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12);call ~#list~0.base, ~#list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 119#L-1 havoc main_#res;havoc main_#t~ret25, main_#t~nondet24, main_#t~ret27, main_#t~nondet26, main_#t~nondet23, main_#t~nondet28, main_#t~mem29.base, main_#t~mem29.offset, main_#t~mem30.base, main_#t~mem30.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~0.base, main_~cursor~0.offset; 120#L728-2 [2020-10-20 08:19:13,920 INFO L796 eck$LassoCheckResult]: Loop: 120#L728-2 assume !!(0 != main_#t~nondet23);havoc main_#t~nondet23; 121#L726-2 assume !(0 != main_#t~nondet24);havoc main_#t~nondet24; 122#L728-1 assume !(0 != main_#t~nondet26);havoc main_#t~nondet26; 120#L728-2 [2020-10-20 08:19:13,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:13,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2020-10-20 08:19:13,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:13,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630563925] [2020-10-20 08:19:13,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:13,939 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:13,959 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:13,967 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:13,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:13,969 INFO L82 PathProgramCache]: Analyzing trace with hash 49935, now seen corresponding path program 1 times [2020-10-20 08:19:13,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:13,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37760506] [2020-10-20 08:19:13,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:13,978 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:13,982 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:13,984 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:13,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:13,985 INFO L82 PathProgramCache]: Analyzing trace with hash 37288685, now seen corresponding path program 1 times [2020-10-20 08:19:13,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:13,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912317849] [2020-10-20 08:19:13,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:13,999 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:14,012 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:14,017 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:14,241 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2020-10-20 08:19:14,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 08:19:14 BoogieIcfgContainer [2020-10-20 08:19:14,363 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 08:19:14,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 08:19:14,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 08:19:14,364 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 08:19:14,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:19:13" (3/4) ... [2020-10-20 08:19:14,367 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-10-20 08:19:14,409 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 08:19:14,410 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 08:19:14,412 INFO L168 Benchmark]: Toolchain (without parser) took 2345.14 ms. Allocated memory was 36.7 MB in the beginning and 54.5 MB in the end (delta: 17.8 MB). Free memory was 9.3 MB in the beginning and 24.1 MB in the end (delta: -14.8 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:14,413 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 36.2 MB. Free memory is still 14.9 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 08:19:14,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.74 ms. Allocated memory was 36.7 MB in the beginning and 47.2 MB in the end (delta: 10.5 MB). Free memory was 8.4 MB in the beginning and 18.6 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.0 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:14,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.25 ms. Allocated memory is still 47.2 MB. Free memory was 18.6 MB in the beginning and 16.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:14,415 INFO L168 Benchmark]: Boogie Preprocessor took 42.92 ms. Allocated memory is still 47.2 MB. Free memory was 16.0 MB in the beginning and 13.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:14,416 INFO L168 Benchmark]: RCFGBuilder took 639.14 ms. Allocated memory was 47.2 MB in the beginning and 49.8 MB in the end (delta: 2.6 MB). Free memory was 13.6 MB in the beginning and 19.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:14,417 INFO L168 Benchmark]: BuchiAutomizer took 877.99 ms. Allocated memory was 49.8 MB in the beginning and 54.5 MB in the end (delta: 4.7 MB). Free memory was 18.8 MB in the beginning and 25.9 MB in the end (delta: -7.2 MB). Peak memory consumption was 15.4 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:14,418 INFO L168 Benchmark]: Witness Printer took 46.82 ms. Allocated memory is still 54.5 MB. Free memory was 25.9 MB in the beginning and 24.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:14,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 36.2 MB. Free memory is still 14.9 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 667.74 ms. Allocated memory was 36.7 MB in the beginning and 47.2 MB in the end (delta: 10.5 MB). Free memory was 8.4 MB in the beginning and 18.6 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 61.25 ms. Allocated memory is still 47.2 MB. Free memory was 18.6 MB in the beginning and 16.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 42.92 ms. Allocated memory is still 47.2 MB. Free memory was 16.0 MB in the beginning and 13.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 639.14 ms. Allocated memory was 47.2 MB in the beginning and 49.8 MB in the end (delta: 2.6 MB). Free memory was 13.6 MB in the beginning and 19.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 877.99 ms. Allocated memory was 49.8 MB in the beginning and 54.5 MB in the end (delta: 4.7 MB). Free memory was 18.8 MB in the beginning and 25.9 MB in the end (delta: -7.2 MB). Peak memory consumption was 15.4 MB. Max. memory is 14.3 GB. * Witness Printer took 46.82 ms. Allocated memory is still 54.5 MB. Free memory was 25.9 MB in the beginning and 24.1 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 42 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. 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 42 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 63 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: 725]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=720} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dd2b562=0, NULL=0, NULL=722, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@bbad02=0, NULL=720, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@1784118=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@5dd795b2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@5dd795b2=0, list=0, NULL=0, NULL=0, end_point=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@1784118=0, NULL=723, NULL=0, list=721, next=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33eece8f=0, next=0, cursor=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41cec654=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73693659=0, cursor=0, direction=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50dacbc6=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 725]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L724] static list_t list; Loop: [L725] COND TRUE __VERIFIER_nondet_int() [L726] COND FALSE !(__VERIFIER_nondet_int()) [L728] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...