./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3d6b60e3-b13e-458a-ac39-cd4d53b316ab/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3d6b60e3-b13e-458a-ac39-cd4d53b316ab/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3d6b60e3-b13e-458a-ac39-cd4d53b316ab/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3d6b60e3-b13e-458a-ac39-cd4d53b316ab/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-0214.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3d6b60e3-b13e-458a-ac39-cd4d53b316ab/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3d6b60e3-b13e-458a-ac39-cd4d53b316ab/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 bbad5595d4a380534920239c65f21022d7390d8a ............................................................................................................................................................................................................................................................................................................................. 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 0.1.24-678e011 [2019-11-20 00:16:44,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:16:44,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:16:44,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:16:44,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:16:44,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:16:44,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:16:44,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:16:44,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:16:44,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:16:44,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:16:44,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:16:44,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:16:44,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:16:44,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:16:44,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:16:44,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:16:44,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:16:44,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:16:44,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:16:44,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:16:44,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:16:44,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:16:44,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:16:44,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:16:44,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:16:44,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:16:44,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:16:44,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:16:44,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:16:44,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:16:44,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:16:44,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:16:44,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:16:44,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:16:44,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:16:44,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:16:44,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:16:44,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:16:44,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:16:44,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:16:44,411 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3d6b60e3-b13e-458a-ac39-cd4d53b316ab/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 00:16:44,429 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:16:44,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:16:44,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:16:44,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:16:44,431 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:16:44,431 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 00:16:44,431 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 00:16:44,431 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 00:16:44,431 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 00:16:44,431 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 00:16:44,432 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 00:16:44,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:16:44,432 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:16:44,432 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 00:16:44,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:16:44,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:16:44,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:16:44,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 00:16:44,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 00:16:44,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 00:16:44,433 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:16:44,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:16:44,434 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 00:16:44,434 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:16:44,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 00:16:44,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:16:44,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:16:44,434 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 00:16:44,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:16:44,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:16:44,435 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 00:16:44,436 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 00:16:44,436 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/run_dir_3d6b60e3-b13e-458a-ac39-cd4d53b316ab/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 -> bbad5595d4a380534920239c65f21022d7390d8a [2019-11-20 00:16:44,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:16:44,611 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:16:44,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:16:44,616 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:16:44,616 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:16:44,617 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3d6b60e3-b13e-458a-ac39-cd4d53b316ab/bin/uautomizer/../../sv-benchmarks/c/memsafety/test-0214.i [2019-11-20 00:16:44,677 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3d6b60e3-b13e-458a-ac39-cd4d53b316ab/bin/uautomizer/data/71d7bc392/6cb45542fc31473484f8c96719003f62/FLAGf683f748c [2019-11-20 00:16:45,244 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:16:45,245 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3d6b60e3-b13e-458a-ac39-cd4d53b316ab/sv-benchmarks/c/memsafety/test-0214.i [2019-11-20 00:16:45,262 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3d6b60e3-b13e-458a-ac39-cd4d53b316ab/bin/uautomizer/data/71d7bc392/6cb45542fc31473484f8c96719003f62/FLAGf683f748c [2019-11-20 00:16:45,434 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3d6b60e3-b13e-458a-ac39-cd4d53b316ab/bin/uautomizer/data/71d7bc392/6cb45542fc31473484f8c96719003f62 [2019-11-20 00:16:45,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:16:45,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:16:45,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:16:45,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:16:45,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:16:45,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:16:45" (1/1) ... [2019-11-20 00:16:45,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da4b46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:45, skipping insertion in model container [2019-11-20 00:16:45,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:16:45" (1/1) ... [2019-11-20 00:16:45,453 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:16:45,515 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:16:46,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:16:46,068 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:16:46,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:16:46,261 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:16:46,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:46 WrapperNode [2019-11-20 00:16:46,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:16:46,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:16:46,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:16:46,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:16:46,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:46" (1/1) ... [2019-11-20 00:16:46,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:46" (1/1) ... [2019-11-20 00:16:46,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:16:46,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:16:46,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:16:46,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:16:46,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:46" (1/1) ... [2019-11-20 00:16:46,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:46" (1/1) ... [2019-11-20 00:16:46,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:46" (1/1) ... [2019-11-20 00:16:46,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:46" (1/1) ... [2019-11-20 00:16:46,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:46" (1/1) ... [2019-11-20 00:16:46,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:46" (1/1) ... [2019-11-20 00:16:46,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:46" (1/1) ... [2019-11-20 00:16:46,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:16:46,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:16:46,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:16:46,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:16:46,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3d6b60e3-b13e-458a-ac39-cd4d53b316ab/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 [2019-11-20 00:16:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 00:16:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-20 00:16:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-20 00:16:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 00:16:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 00:16:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:16:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 00:16:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 00:16:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 00:16:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:16:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:16:46,652 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 00:16:47,060 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:16:47,061 INFO L285 CfgBuilder]: Removed 20 assume(true) statements. [2019-11-20 00:16:47,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:16:47 BoogieIcfgContainer [2019-11-20 00:16:47,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:16:47,063 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 00:16:47,063 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 00:16:47,067 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 00:16:47,068 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:16:47,068 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:16:45" (1/3) ... [2019-11-20 00:16:47,069 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3aadf047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:16:47, skipping insertion in model container [2019-11-20 00:16:47,069 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:16:47,070 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:46" (2/3) ... [2019-11-20 00:16:47,070 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3aadf047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:16:47, skipping insertion in model container [2019-11-20 00:16:47,070 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:16:47,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:16:47" (3/3) ... [2019-11-20 00:16:47,072 INFO L371 chiAutomizerObserver]: Analyzing ICFG test-0214.i [2019-11-20 00:16:47,121 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 00:16:47,122 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 00:16:47,122 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 00:16:47,122 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:16:47,122 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:16:47,123 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 00:16:47,123 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:16:47,123 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 00:16:47,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states. [2019-11-20 00:16:47,165 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 33 [2019-11-20 00:16:47,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:16:47,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:16:47,171 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 00:16:47,171 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 00:16:47,171 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 00:16:47,172 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states. [2019-11-20 00:16:47,176 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 33 [2019-11-20 00:16:47,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:16:47,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:16:47,176 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 00:16:47,177 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 00:16:47,183 INFO L794 eck$LassoCheckResult]: Stem: 42#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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); 17#L-1true havoc main_#res;havoc main_#t~ret22, main_#t~nondet21, main_#t~ret24, main_#t~nondet23, main_#t~nondet20, main_#t~nondet25, main_#t~mem26.base, main_#t~mem26.offset, main_#t~mem27.base, main_#t~mem27.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~0.base, main_~cursor~0.offset; 39#L717-2true [2019-11-20 00:16:47,184 INFO L796 eck$LassoCheckResult]: Loop: 39#L717-2true assume !!(0 != main_#t~nondet20);havoc main_#t~nondet20; 21#L715-2true assume !true; 36#L717-1true assume !true; 39#L717-2true [2019-11-20 00:16:47,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:16:47,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2019-11-20 00:16:47,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:16:47,197 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014054755] [2019-11-20 00:16:47,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:16:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:16:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:16:47,336 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:16:47,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:16:47,338 INFO L82 PathProgramCache]: Analyzing trace with hash 51626, now seen corresponding path program 1 times [2019-11-20 00:16:47,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:16:47,339 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458564279] [2019-11-20 00:16:47,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:16:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:16:47,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:16:47,371 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458564279] [2019-11-20 00:16:47,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:16:47,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 00:16:47,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501569976] [2019-11-20 00:16:47,378 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 00:16:47,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:16:47,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 00:16:47,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 00:16:47,394 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2019-11-20 00:16:47,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:16:47,404 INFO L93 Difference]: Finished difference Result 46 states and 63 transitions. [2019-11-20 00:16:47,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 00:16:47,406 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 63 transitions. [2019-11-20 00:16:47,409 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 33 [2019-11-20 00:16:47,417 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 42 states and 59 transitions. [2019-11-20 00:16:47,418 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2019-11-20 00:16:47,419 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2019-11-20 00:16:47,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 59 transitions. [2019-11-20 00:16:47,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 00:16:47,421 INFO L688 BuchiCegarLoop]: Abstraction has 42 states and 59 transitions. [2019-11-20 00:16:47,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 59 transitions. [2019-11-20 00:16:47,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-11-20 00:16:47,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-20 00:16:47,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions. [2019-11-20 00:16:47,454 INFO L711 BuchiCegarLoop]: Abstraction has 42 states and 59 transitions. [2019-11-20 00:16:47,454 INFO L591 BuchiCegarLoop]: Abstraction has 42 states and 59 transitions. [2019-11-20 00:16:47,454 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 00:16:47,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 59 transitions. [2019-11-20 00:16:47,456 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 33 [2019-11-20 00:16:47,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:16:47,456 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:16:47,457 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 00:16:47,457 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 00:16:47,457 INFO L794 eck$LassoCheckResult]: Stem: 139#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#list~0.base, ~#list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 122#L-1 havoc main_#res;havoc main_#t~ret22, main_#t~nondet21, main_#t~ret24, main_#t~nondet23, main_#t~nondet20, main_#t~nondet25, main_#t~mem26.base, main_#t~mem26.offset, main_#t~mem27.base, main_#t~mem27.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~0.base, main_~cursor~0.offset; 123#L717-2 [2019-11-20 00:16:47,458 INFO L796 eck$LassoCheckResult]: Loop: 123#L717-2 assume !!(0 != main_#t~nondet20);havoc main_#t~nondet20; 124#L715-2 assume !(0 != main_#t~nondet21);havoc main_#t~nondet21; 125#L717-1 assume !(0 != main_#t~nondet23);havoc main_#t~nondet23; 123#L717-2 [2019-11-20 00:16:47,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:16:47,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2019-11-20 00:16:47,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:16:47,459 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391269355] [2019-11-20 00:16:47,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:16:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:16:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:16:47,484 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:16:47,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:16:47,488 INFO L82 PathProgramCache]: Analyzing trace with hash 49935, now seen corresponding path program 1 times [2019-11-20 00:16:47,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:16:47,489 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900045967] [2019-11-20 00:16:47,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:16:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:16:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:16:47,506 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:16:47,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:16:47,507 INFO L82 PathProgramCache]: Analyzing trace with hash 37288685, now seen corresponding path program 1 times [2019-11-20 00:16:47,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:16:47,508 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585202968] [2019-11-20 00:16:47,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:16:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:16:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:16:47,531 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:16:47,716 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-11-20 00:16:47,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:16:47 BoogieIcfgContainer [2019-11-20 00:16:47,804 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 00:16:47,804 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:16:47,804 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:16:47,805 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:16:47,805 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:16:47" (3/4) ... [2019-11-20 00:16:47,808 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 00:16:47,861 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3d6b60e3-b13e-458a-ac39-cd4d53b316ab/bin/uautomizer/witness.graphml [2019-11-20 00:16:47,861 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:16:47,863 INFO L168 Benchmark]: Toolchain (without parser) took 2425.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 944.8 MB in the beginning and 1.0 GB in the end (delta: -83.1 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-11-20 00:16:47,864 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:16:47,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 825.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-20 00:16:47,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 00:16:47,866 INFO L168 Benchmark]: Boogie Preprocessor took 75.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:16:47,867 INFO L168 Benchmark]: RCFGBuilder took 634.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. [2019-11-20 00:16:47,867 INFO L168 Benchmark]: BuchiAutomizer took 740.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. [2019-11-20 00:16:47,868 INFO L168 Benchmark]: Witness Printer took 57.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:16:47,872 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 825.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 634.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 740.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. * Witness Printer took 57.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. 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 42 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. 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: 714]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a2f2a89=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50895aff=0, NULL=0, \result=0, end_point=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@72ea9148=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@72ea9148=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@227101b2=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76512a95=0, NULL=0, list=2, list=0, next=0, next=0, cursor=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a16595f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@c5358a7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@768cd270=0, cursor=0, direction=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@c5358a7=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 714]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L713] static list_t list; Loop: [L714] COND TRUE __VERIFIER_nondet_int() [L715] COND FALSE !(__VERIFIER_nondet_int()) [L717] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...