./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/while_infinite_loop_3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6601c349-0656-4fe1-b3a6-6a8699b234f1/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6601c349-0656-4fe1-b3a6-6a8699b234f1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6601c349-0656-4fe1-b3a6-6a8699b234f1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6601c349-0656-4fe1-b3a6-6a8699b234f1/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/while_infinite_loop_3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6601c349-0656-4fe1-b3a6-6a8699b234f1/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6601c349-0656-4fe1-b3a6-6a8699b234f1/bin/uautomizer --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 3aac8fad8f983ba6915be6b6d24065853819d497 ...................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:40:06,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:40:06,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:40:06,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:40:06,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:40:06,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:40:06,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:40:06,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:40:06,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:40:06,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:40:06,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:40:06,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:40:06,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:40:06,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:40:06,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:40:06,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:40:06,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:40:06,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:40:06,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:40:06,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:40:06,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:40:06,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:40:06,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:40:06,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:40:06,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:40:06,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:40:06,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:40:06,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:40:06,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:40:06,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:40:06,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:40:06,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:40:06,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:40:06,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:40:06,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:40:06,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:40:06,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:40:06,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:40:06,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:40:06,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:40:06,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:40:06,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6601c349-0656-4fe1-b3a6-6a8699b234f1/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 19:40:06,796 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:40:06,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:40:06,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:40:06,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:40:06,800 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:40:06,800 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 19:40:06,800 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 19:40:06,801 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 19:40:06,801 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 19:40:06,802 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 19:40:06,802 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 19:40:06,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:40:06,803 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:40:06,804 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:40:06,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:40:06,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:40:06,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:40:06,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 19:40:06,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 19:40:06,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 19:40:06,807 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:40:06,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:40:06,808 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 19:40:06,808 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:40:06,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 19:40:06,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:40:06,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:40:06,810 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 19:40:06,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:40:06,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:40:06,811 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:40:06,812 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 19:40:06,813 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 19:40:06,813 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_6601c349-0656-4fe1-b3a6-6a8699b234f1/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6601c349-0656-4fe1-b3a6-6a8699b234f1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aac8fad8f983ba6915be6b6d24065853819d497 [2020-11-29 19:40:07,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:40:07,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:40:07,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:40:07,147 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:40:07,152 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:40:07,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6601c349-0656-4fe1-b3a6-6a8699b234f1/bin/uautomizer/../../sv-benchmarks/c/loops/while_infinite_loop_3.c [2020-11-29 19:40:07,266 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6601c349-0656-4fe1-b3a6-6a8699b234f1/bin/uautomizer/data/f5d40ec9c/3f58584ea4a2475c812f14bdbb7a524f/FLAGfbc590622 [2020-11-29 19:40:07,805 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:40:07,806 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6601c349-0656-4fe1-b3a6-6a8699b234f1/sv-benchmarks/c/loops/while_infinite_loop_3.c [2020-11-29 19:40:07,812 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6601c349-0656-4fe1-b3a6-6a8699b234f1/bin/uautomizer/data/f5d40ec9c/3f58584ea4a2475c812f14bdbb7a524f/FLAGfbc590622 [2020-11-29 19:40:08,152 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6601c349-0656-4fe1-b3a6-6a8699b234f1/bin/uautomizer/data/f5d40ec9c/3f58584ea4a2475c812f14bdbb7a524f [2020-11-29 19:40:08,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:40:08,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:40:08,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:40:08,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:40:08,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:40:08,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:40:08" (1/1) ... [2020-11-29 19:40:08,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c343a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:08, skipping insertion in model container [2020-11-29 19:40:08,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:40:08" (1/1) ... [2020-11-29 19:40:08,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:40:08,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:40:08,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:40:08,443 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:40:08,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:40:08,475 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:40:08,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:08 WrapperNode [2020-11-29 19:40:08,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:40:08,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:40:08,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:40:08,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:40:08,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:08" (1/1) ... [2020-11-29 19:40:08,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:08" (1/1) ... [2020-11-29 19:40:08,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:40:08,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:40:08,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:40:08,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:40:08,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:08" (1/1) ... [2020-11-29 19:40:08,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:08" (1/1) ... [2020-11-29 19:40:08,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:08" (1/1) ... [2020-11-29 19:40:08,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:08" (1/1) ... [2020-11-29 19:40:08,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:08" (1/1) ... [2020-11-29 19:40:08,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:08" (1/1) ... [2020-11-29 19:40:08,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:08" (1/1) ... [2020-11-29 19:40:08,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:40:08,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:40:08,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:40:08,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:40:08,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6601c349-0656-4fe1-b3a6-6a8699b234f1/bin/uautomizer/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 [2020-11-29 19:40:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:40:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:40:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:40:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:40:08,902 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:40:08,910 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-29 19:40:08,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:40:08 BoogieIcfgContainer [2020-11-29 19:40:08,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:40:08,914 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 19:40:08,923 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 19:40:08,927 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 19:40:08,928 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:40:08,929 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 07:40:08" (1/3) ... [2020-11-29 19:40:08,934 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@87f31e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:40:08, skipping insertion in model container [2020-11-29 19:40:08,935 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:40:08,935 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:40:08" (2/3) ... [2020-11-29 19:40:08,936 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@87f31e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:40:08, skipping insertion in model container [2020-11-29 19:40:08,936 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:40:08,936 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:40:08" (3/3) ... [2020-11-29 19:40:08,938 INFO L373 chiAutomizerObserver]: Analyzing ICFG while_infinite_loop_3.c [2020-11-29 19:40:09,037 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 19:40:09,037 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 19:40:09,037 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 19:40:09,037 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:40:09,038 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:40:09,038 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 19:40:09,038 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:40:09,038 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 19:40:09,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-11-29 19:40:09,093 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-29 19:40:09,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:40:09,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:40:09,102 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 19:40:09,102 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-29 19:40:09,103 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 19:40:09,103 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-11-29 19:40:09,106 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-29 19:40:09,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:40:09,107 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:40:09,107 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 19:40:09,107 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-29 19:40:09,116 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(24);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~x~0 := 0; 7#L-1true havoc main_#res; 18#L6-2true [2020-11-29 19:40:09,117 INFO L796 eck$LassoCheckResult]: Loop: 18#L6-2true assume !false; 3#L16loopEntrytrue assume false; 17#L16-2true __VERIFIER_assert_#in~cond := (if 0 == ~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 5#L6true assume !(0 == __VERIFIER_assert_~cond); 18#L6-2true [2020-11-29 19:40:09,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:40:09,131 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-29 19:40:09,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:40:09,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381395792] [2020-11-29 19:40:09,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:40:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:40:09,298 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:40:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:40:09,339 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:40:09,374 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:40:09,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:40:09,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1269329, now seen corresponding path program 1 times [2020-11-29 19:40:09,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:40:09,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635914824] [2020-11-29 19:40:09,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:40:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:40:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:40:09,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635914824] [2020-11-29 19:40:09,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:40:09,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:40:09,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609540826] [2020-11-29 19:40:09,423 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 19:40:09,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:40:09,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:40:09,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:40:09,450 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 2 states. [2020-11-29 19:40:09,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:40:09,459 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2020-11-29 19:40:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:40:09,461 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 7 transitions. [2020-11-29 19:40:09,462 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-29 19:40:09,465 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 6 states and 6 transitions. [2020-11-29 19:40:09,467 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-11-29 19:40:09,467 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2020-11-29 19:40:09,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2020-11-29 19:40:09,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:40:09,468 INFO L691 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-11-29 19:40:09,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2020-11-29 19:40:09,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2020-11-29 19:40:09,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-29 19:40:09,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2020-11-29 19:40:09,495 INFO L714 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-11-29 19:40:09,495 INFO L594 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-11-29 19:40:09,495 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 19:40:09,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2020-11-29 19:40:09,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-29 19:40:09,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:40:09,496 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:40:09,497 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 19:40:09,497 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-29 19:40:09,497 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(24);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~x~0 := 0; 31#L-1 havoc main_#res; 32#L6-2 [2020-11-29 19:40:09,497 INFO L796 eck$LassoCheckResult]: Loop: 32#L6-2 assume !false; 34#L16loopEntry assume !false;~x~0 := 0; 35#L16-2 __VERIFIER_assert_#in~cond := (if 0 == ~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 36#L6 assume !(0 == __VERIFIER_assert_~cond); 32#L6-2 [2020-11-29 19:40:09,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:40:09,498 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2020-11-29 19:40:09,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:40:09,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640672031] [2020-11-29 19:40:09,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:40:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:40:09,519 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:40:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:40:09,535 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:40:09,540 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:40:09,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:40:09,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1271251, now seen corresponding path program 1 times [2020-11-29 19:40:09,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:40:09,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484134469] [2020-11-29 19:40:09,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:40:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:40:09,551 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:40:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:40:09,555 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:40:09,557 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:40:09,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:40:09,558 INFO L82 PathProgramCache]: Analyzing trace with hash 889698453, now seen corresponding path program 1 times [2020-11-29 19:40:09,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:40:09,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388425186] [2020-11-29 19:40:09,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:40:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:40:09,582 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:40:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:40:09,594 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:40:09,599 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:40:10,029 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-11-29 19:40:10,133 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-11-29 19:40:10,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 07:40:10 BoogieIcfgContainer [2020-11-29 19:40:10,159 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 19:40:10,160 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:40:10,160 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:40:10,161 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:40:10,161 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:40:08" (3/4) ... [2020-11-29 19:40:10,165 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 19:40:10,199 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6601c349-0656-4fe1-b3a6-6a8699b234f1/bin/uautomizer/witness.graphml [2020-11-29 19:40:10,200 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:40:10,202 INFO L168 Benchmark]: Toolchain (without parser) took 2043.88 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 60.4 MB in the beginning and 59.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:40:10,203 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 71.3 MB. Free memory was 29.5 MB in the beginning and 29.5 MB in the end (delta: 36.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:40:10,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.68 ms. Allocated memory is still 92.3 MB. Free memory was 60.3 MB in the beginning and 69.8 MB in the end (delta: -9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:40:10,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.09 ms. Allocated memory is still 92.3 MB. Free memory was 69.8 MB in the beginning and 68.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:40:10,205 INFO L168 Benchmark]: Boogie Preprocessor took 26.96 ms. Allocated memory is still 92.3 MB. Free memory was 68.5 MB in the beginning and 67.6 MB in the end (delta: 953.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:40:10,206 INFO L168 Benchmark]: RCFGBuilder took 365.57 ms. Allocated memory is still 92.3 MB. Free memory was 67.6 MB in the beginning and 56.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:40:10,207 INFO L168 Benchmark]: BuchiAutomizer took 1245.06 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 56.4 MB in the beginning and 61.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:40:10,208 INFO L168 Benchmark]: Witness Printer took 39.60 ms. Allocated memory is still 111.1 MB. Free memory was 61.1 MB in the beginning and 59.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:40:10,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 71.3 MB. Free memory was 29.5 MB in the beginning and 29.5 MB in the end (delta: 36.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 314.68 ms. Allocated memory is still 92.3 MB. Free memory was 60.3 MB in the beginning and 69.8 MB in the end (delta: -9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.09 ms. Allocated memory is still 92.3 MB. Free memory was 69.8 MB in the beginning and 68.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.96 ms. Allocated memory is still 92.3 MB. Free memory was 68.5 MB in the beginning and 67.6 MB in the end (delta: 953.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 365.57 ms. Allocated memory is still 92.3 MB. Free memory was 67.6 MB in the beginning and 56.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1245.06 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 56.4 MB in the beginning and 61.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Witness Printer took 39.60 ms. Allocated memory is still 111.1 MB. Free memory was 61.1 MB in the beginning and 59.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program 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 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. 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 6 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 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: 26]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=25192} State at position 1 is {cond=1, NULL=0, NULL=0, NULL=0, NULL=25195, NULL=0, \result=0, NULL=25193, NULL=25192, \old(cond)=1, NULL=0, x=0, NULL=25194} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 5]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] int x=0; Loop: [L26] COND TRUE 1 [L16] COND TRUE 1 [L17] x=0 [L6] COND FALSE !(!(cond)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...