./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_30e8451b-a4b5-4f54-8144-9dc1fa50282f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_30e8451b-a4b5-4f54-8144-9dc1fa50282f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_30e8451b-a4b5-4f54-8144-9dc1fa50282f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_30e8451b-a4b5-4f54-8144-9dc1fa50282f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-0217.i -s /tmp/vcloud-vcloud-master/worker/working_dir_30e8451b-a4b5-4f54-8144-9dc1fa50282f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_30e8451b-a4b5-4f54-8144-9dc1fa50282f/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 ec43a80d2499e410cf4a8d76208ab9ab3e6ffdfd ...................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-cad4683 [2019-10-22 08:56:25,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:25,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:25,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:25,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:25,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:25,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:25,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:25,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:25,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:25,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:25,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:25,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:25,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:25,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:25,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:25,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:25,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:25,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:25,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:25,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:25,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:25,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:25,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:25,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:25,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:25,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:25,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:25,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:25,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:25,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:25,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:25,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:25,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:25,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:25,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:25,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:25,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:25,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:25,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:25,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:25,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_30e8451b-a4b5-4f54-8144-9dc1fa50282f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:56:25,449 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:25,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:25,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:25,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:25,451 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:25,451 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:56:25,451 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:56:25,451 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:56:25,452 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:56:25,452 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:56:25,452 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:56:25,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:25,452 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:25,453 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:56:25,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:25,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:25,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:25,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:56:25,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:56:25,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:56:25,454 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:25,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:25,454 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:56:25,455 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:25,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:56:25,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:25,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:25,455 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:56:25,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:25,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:25,456 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:56:25,457 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:56:25,457 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_30e8451b-a4b5-4f54-8144-9dc1fa50282f/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 -> ec43a80d2499e410cf4a8d76208ab9ab3e6ffdfd [2019-10-22 08:56:25,487 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:25,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:25,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:25,506 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:25,506 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:25,507 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_30e8451b-a4b5-4f54-8144-9dc1fa50282f/bin/uautomizer/../../sv-benchmarks/c/memsafety/test-0217.i [2019-10-22 08:56:25,561 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_30e8451b-a4b5-4f54-8144-9dc1fa50282f/bin/uautomizer/data/f6f70593f/fc9d6743cc5f45ecbaa0374be58032d0/FLAGacb2f0fc4 [2019-10-22 08:56:26,003 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:26,003 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_30e8451b-a4b5-4f54-8144-9dc1fa50282f/sv-benchmarks/c/memsafety/test-0217.i [2019-10-22 08:56:26,020 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_30e8451b-a4b5-4f54-8144-9dc1fa50282f/bin/uautomizer/data/f6f70593f/fc9d6743cc5f45ecbaa0374be58032d0/FLAGacb2f0fc4 [2019-10-22 08:56:26,528 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_30e8451b-a4b5-4f54-8144-9dc1fa50282f/bin/uautomizer/data/f6f70593f/fc9d6743cc5f45ecbaa0374be58032d0 [2019-10-22 08:56:26,532 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:26,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:26,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:26,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:26,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:26,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d6c2bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26, skipping insertion in model container [2019-10-22 08:56:26,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,551 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:26,590 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:27,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:27,085 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:27,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:27,210 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:27,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:27 WrapperNode [2019-10-22 08:56:27,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:27,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:27,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:27,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:27,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:27" (1/1) ... [2019-10-22 08:56:27,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:27" (1/1) ... [2019-10-22 08:56:27,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:27,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:27,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:27,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:27,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:27" (1/1) ... [2019-10-22 08:56:27,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:27" (1/1) ... [2019-10-22 08:56:27,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:27" (1/1) ... [2019-10-22 08:56:27,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:27" (1/1) ... [2019-10-22 08:56:27,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:27" (1/1) ... [2019-10-22 08:56:27,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:27" (1/1) ... [2019-10-22 08:56:27,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:27" (1/1) ... [2019-10-22 08:56:27,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:27,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:27,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:27,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:27,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_30e8451b-a4b5-4f54-8144-9dc1fa50282f/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 [2019-10-22 08:56:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:56:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-22 08:56:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-22 08:56:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:56:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 08:56:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 08:56:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:56:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 08:56:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:27,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:27,525 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:56:27,862 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:27,863 INFO L284 CfgBuilder]: Removed 21 assume(true) statements. [2019-10-22 08:56:27,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:27 BoogieIcfgContainer [2019-10-22 08:56:27,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:27,864 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:56:27,865 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:56:27,868 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:56:27,868 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:27,869 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:56:26" (1/3) ... [2019-10-22 08:56:27,870 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64616bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:27, skipping insertion in model container [2019-10-22 08:56:27,870 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:27,870 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:27" (2/3) ... [2019-10-22 08:56:27,870 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64616bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:27, skipping insertion in model container [2019-10-22 08:56:27,870 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:27,870 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:27" (3/3) ... [2019-10-22 08:56:27,875 INFO L371 chiAutomizerObserver]: Analyzing ICFG test-0217.i [2019-10-22 08:56:27,924 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:56:27,924 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:56:27,924 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:56:27,924 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:27,924 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:27,924 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:56:27,924 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:27,925 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:56:27,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states. [2019-10-22 08:56:27,979 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2019-10-22 08:56:27,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:27,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:27,986 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 08:56:27,986 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 08:56:27,986 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:56:27,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states. [2019-10-22 08:56:27,989 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2019-10-22 08:56:27,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:27,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:27,990 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 08:56:27,990 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 08:56:27,998 INFO L791 eck$LassoCheckResult]: Stem: 21#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];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~ret30, main_#t~nondet29, main_#t~ret32, main_#t~nondet31, main_#t~nondet28, main_#t~nondet33, main_#t~mem34.base, main_#t~mem34.offset, main_#t~mem35.base, main_#t~mem35.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#L721-2true [2019-10-22 08:56:27,998 INFO L793 eck$LassoCheckResult]: Loop: 29#L721-2true assume !!(0 != main_#t~nondet28);havoc main_#t~nondet28; 43#L719-2true assume !true; 25#L721-1true assume !true; 29#L721-2true [2019-10-22 08:56:28,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:28,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2019-10-22 08:56:28,013 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:28,013 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723071540] [2019-10-22 08:56:28,013 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,014 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:28,130 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:28,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:28,131 INFO L82 PathProgramCache]: Analyzing trace with hash 52490, now seen corresponding path program 1 times [2019-10-22 08:56:28,131 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:28,131 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740039154] [2019-10-22 08:56:28,131 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,131 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:28,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:28,159 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740039154] [2019-10-22 08:56:28,160 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:28,160 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:28,161 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407724466] [2019-10-22 08:56:28,165 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 08:56:28,166 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:28,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:56:28,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:56:28,181 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2019-10-22 08:56:28,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:28,191 INFO L93 Difference]: Finished difference Result 52 states and 72 transitions. [2019-10-22 08:56:28,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:56:28,193 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 72 transitions. [2019-10-22 08:56:28,195 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2019-10-22 08:56:28,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 48 states and 68 transitions. [2019-10-22 08:56:28,201 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2019-10-22 08:56:28,202 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2019-10-22 08:56:28,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 68 transitions. [2019-10-22 08:56:28,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:56:28,203 INFO L688 BuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2019-10-22 08:56:28,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 68 transitions. [2019-10-22 08:56:28,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2019-10-22 08:56:28,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-10-22 08:56:28,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2019-10-22 08:56:28,230 INFO L711 BuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2019-10-22 08:56:28,230 INFO L591 BuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2019-10-22 08:56:28,230 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:56:28,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 68 transitions. [2019-10-22 08:56:28,232 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2019-10-22 08:56:28,232 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:28,232 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:28,232 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 08:56:28,232 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 08:56:28,233 INFO L791 eck$LassoCheckResult]: Stem: 154#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call ~#list~0.base, ~#list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 132#L-1 havoc main_#res;havoc main_#t~ret30, main_#t~nondet29, main_#t~ret32, main_#t~nondet31, main_#t~nondet28, main_#t~nondet33, main_#t~mem34.base, main_#t~mem34.offset, main_#t~mem35.base, main_#t~mem35.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; 133#L721-2 [2019-10-22 08:56:28,233 INFO L793 eck$LassoCheckResult]: Loop: 133#L721-2 assume !!(0 != main_#t~nondet28);havoc main_#t~nondet28; 149#L719-2 assume !(0 != main_#t~nondet29);havoc main_#t~nondet29; 137#L721-1 assume !(0 != main_#t~nondet31);havoc main_#t~nondet31; 133#L721-2 [2019-10-22 08:56:28,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:28,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2019-10-22 08:56:28,233 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:28,234 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477387449] [2019-10-22 08:56:28,234 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,234 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:28,251 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:28,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:28,252 INFO L82 PathProgramCache]: Analyzing trace with hash 49962, now seen corresponding path program 1 times [2019-10-22 08:56:28,252 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:28,252 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324331334] [2019-10-22 08:56:28,252 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,253 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:28,261 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:28,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:28,262 INFO L82 PathProgramCache]: Analyzing trace with hash 37288712, now seen corresponding path program 1 times [2019-10-22 08:56:28,262 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:28,262 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260385267] [2019-10-22 08:56:28,262 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,262 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:28,281 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:28,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:56:28 BoogieIcfgContainer [2019-10-22 08:56:28,396 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:56:28,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:28,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:28,397 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:28,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:27" (3/4) ... [2019-10-22 08:56:28,401 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 08:56:28,441 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_30e8451b-a4b5-4f54-8144-9dc1fa50282f/bin/uautomizer/witness.graphml [2019-10-22 08:56:28,441 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:28,444 INFO L168 Benchmark]: Toolchain (without parser) took 1909.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 936.9 MB in the beginning and 997.8 MB in the end (delta: -60.9 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:28,444 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:28,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 936.9 MB in the beginning and 1.1 GB in the end (delta: -150.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:28,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:28,446 INFO L168 Benchmark]: Boogie Preprocessor took 41.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:28,447 INFO L168 Benchmark]: RCFGBuilder took 551.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:28,447 INFO L168 Benchmark]: BuchiAutomizer took 531.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:28,448 INFO L168 Benchmark]: Witness Printer took 44.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 997.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:28,451 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 672.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 936.9 MB in the beginning and 1.1 GB in the end (delta: -150.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 551.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 531.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Witness Printer took 44.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 997.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 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 0.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. 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: 718]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=9404} State at position 1 is {cursor=0, NULL=0, \result=0, end_point=0, NULL=9404, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2752a794=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@442a53be=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@2429b656=0, NULL=0, list=9403, list=0, next=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21888488=12, next=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53752190=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@2d3fddd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@2d3fddd=0, cursor=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@232fbf5f=0, direction=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@2429b656=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@279e72fe=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 718]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L717] static list_t list; Loop: [L718] COND TRUE __VERIFIER_nondet_int() [L719] COND FALSE !(__VERIFIER_nondet_int()) [L721] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...