./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/memsafety/test-0214_true-valid-memsafety_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_62063e6b-57c8-4388-b716-fe5b6a14ec5a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_62063e6b-57c8-4388-b716-fe5b6a14ec5a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_62063e6b-57c8-4388-b716-fe5b6a14ec5a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_62063e6b-57c8-4388-b716-fe5b6a14ec5a/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-0214_true-valid-memsafety_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_62063e6b-57c8-4388-b716-fe5b6a14ec5a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_62063e6b-57c8-4388-b716-fe5b6a14ec5a/bin-2019/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 116f75368ed7cbe2e5fe45b6165a0ef798ccc1e7 ............................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-1dbac8b [2018-11-10 01:50:22,113 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 01:50:22,114 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 01:50:22,123 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 01:50:22,123 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 01:50:22,123 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 01:50:22,124 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 01:50:22,125 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 01:50:22,125 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 01:50:22,126 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 01:50:22,127 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 01:50:22,127 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 01:50:22,127 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 01:50:22,128 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 01:50:22,129 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 01:50:22,129 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 01:50:22,130 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 01:50:22,131 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 01:50:22,132 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 01:50:22,133 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 01:50:22,134 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 01:50:22,135 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 01:50:22,136 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 01:50:22,136 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 01:50:22,137 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 01:50:22,137 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 01:50:22,138 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 01:50:22,138 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 01:50:22,139 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 01:50:22,139 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 01:50:22,139 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 01:50:22,140 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 01:50:22,140 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 01:50:22,140 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 01:50:22,141 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 01:50:22,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 01:50:22,142 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_62063e6b-57c8-4388-b716-fe5b6a14ec5a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 01:50:22,150 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 01:50:22,150 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 01:50:22,151 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 01:50:22,152 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 01:50:22,152 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 01:50:22,152 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 01:50:22,152 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 01:50:22,152 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 01:50:22,152 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 01:50:22,152 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 01:50:22,152 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 01:50:22,153 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 01:50:22,153 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 01:50:22,153 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 01:50:22,153 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 01:50:22,153 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 01:50:22,153 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 01:50:22,153 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 01:50:22,154 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 01:50:22,154 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 01:50:22,154 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 01:50:22,154 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 01:50:22,154 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 01:50:22,154 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 01:50:22,154 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 01:50:22,155 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 01:50:22,155 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 01:50:22,155 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 01:50:22,155 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 01:50:22,155 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 01:50:22,156 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 01:50:22,156 INFO L133 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_62063e6b-57c8-4388-b716-fe5b6a14ec5a/bin-2019/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 -> 116f75368ed7cbe2e5fe45b6165a0ef798ccc1e7 [2018-11-10 01:50:22,179 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 01:50:22,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 01:50:22,191 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 01:50:22,192 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 01:50:22,192 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 01:50:22,193 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_62063e6b-57c8-4388-b716-fe5b6a14ec5a/bin-2019/uautomizer/../../sv-benchmarks/c/memsafety/test-0214_true-valid-memsafety_false-termination.i [2018-11-10 01:50:22,234 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62063e6b-57c8-4388-b716-fe5b6a14ec5a/bin-2019/uautomizer/data/7c7ff72cf/5c181f7876a7402aa459a48e0080a6fb/FLAGc03607134 [2018-11-10 01:50:22,589 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 01:50:22,589 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_62063e6b-57c8-4388-b716-fe5b6a14ec5a/sv-benchmarks/c/memsafety/test-0214_true-valid-memsafety_false-termination.i [2018-11-10 01:50:22,600 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62063e6b-57c8-4388-b716-fe5b6a14ec5a/bin-2019/uautomizer/data/7c7ff72cf/5c181f7876a7402aa459a48e0080a6fb/FLAGc03607134 [2018-11-10 01:50:22,609 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_62063e6b-57c8-4388-b716-fe5b6a14ec5a/bin-2019/uautomizer/data/7c7ff72cf/5c181f7876a7402aa459a48e0080a6fb [2018-11-10 01:50:22,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 01:50:22,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 01:50:22,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 01:50:22,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 01:50:22,615 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 01:50:22,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:50:22" (1/1) ... [2018-11-10 01:50:22,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf0c46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:22, skipping insertion in model container [2018-11-10 01:50:22,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:50:22" (1/1) ... [2018-11-10 01:50:22,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 01:50:22,653 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 01:50:22,867 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:50:22,875 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 01:50:22,911 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:50:22,943 INFO L193 MainTranslator]: Completed translation [2018-11-10 01:50:22,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:22 WrapperNode [2018-11-10 01:50:22,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 01:50:22,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 01:50:22,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 01:50:22,944 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 01:50:22,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:22" (1/1) ... [2018-11-10 01:50:23,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:22" (1/1) ... [2018-11-10 01:50:23,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 01:50:23,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 01:50:23,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 01:50:23,032 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 01:50:23,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:22" (1/1) ... [2018-11-10 01:50:23,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:22" (1/1) ... [2018-11-10 01:50:23,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:22" (1/1) ... [2018-11-10 01:50:23,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:22" (1/1) ... [2018-11-10 01:50:23,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:22" (1/1) ... [2018-11-10 01:50:23,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:22" (1/1) ... [2018-11-10 01:50:23,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:22" (1/1) ... [2018-11-10 01:50:23,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 01:50:23,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 01:50:23,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 01:50:23,061 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 01:50:23,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62063e6b-57c8-4388-b716-fe5b6a14ec5a/bin-2019/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 [2018-11-10 01:50:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 01:50:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-10 01:50:23,097 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-10 01:50:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-10 01:50:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-10 01:50:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 01:50:23,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 01:50:23,182 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 01:50:23,471 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 01:50:23,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:50:23 BoogieIcfgContainer [2018-11-10 01:50:23,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 01:50:23,472 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 01:50:23,472 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 01:50:23,475 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 01:50:23,476 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 01:50:23,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 01:50:22" (1/3) ... [2018-11-10 01:50:23,477 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76da8bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 01:50:23, skipping insertion in model container [2018-11-10 01:50:23,477 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 01:50:23,477 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:22" (2/3) ... [2018-11-10 01:50:23,477 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76da8bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 01:50:23, skipping insertion in model container [2018-11-10 01:50:23,477 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 01:50:23,478 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:50:23" (3/3) ... [2018-11-10 01:50:23,479 INFO L375 chiAutomizerObserver]: Analyzing ICFG test-0214_true-valid-memsafety_false-termination.i [2018-11-10 01:50:23,515 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 01:50:23,515 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 01:50:23,515 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 01:50:23,516 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 01:50:23,516 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 01:50:23,516 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 01:50:23,516 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 01:50:23,516 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 01:50:23,516 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 01:50:23,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-11-10 01:50:23,547 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 65 [2018-11-10 01:50:23,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 01:50:23,547 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 01:50:23,552 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-10 01:50:23,552 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-10 01:50:23,552 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 01:50:23,552 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-11-10 01:50:23,555 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 65 [2018-11-10 01:50:23,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 01:50:23,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 01:50:23,556 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-10 01:50:23,556 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-10 01:50:23,561 INFO L793 eck$LassoCheckResult]: Stem: 37#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 8;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];~#list~0.base, ~#list~0.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true; 47#L824true SUMMARY for call write~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset + 0, 4); srcloc: L824 49#L824-1true SUMMARY for call write~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset + 4, 4); srcloc: L824-1 53#L824-2true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret20, main_#t~nondet19, main_#t~ret22, main_#t~nondet21, main_#t~nondet18, main_#t~nondet23, main_#t~mem24.base, main_#t~mem24.offset, main_#t~mem25.base, main_#t~mem25.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~0.base, main_~cursor~0.offset; 46#L828-3true [2018-11-10 01:50:23,562 INFO L795 eck$LassoCheckResult]: Loop: 46#L828-3true assume true; 63#L825-1true assume !!(main_#t~nondet18 != 0);havoc main_#t~nondet18; 11#L826-3true assume !true; 61#L828-2true assume !true; 46#L828-3true [2018-11-10 01:50:23,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:50:23,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1201604, now seen corresponding path program 1 times [2018-11-10 01:50:23,567 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 01:50:23,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 01:50:23,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:50:23,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:50:23,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:50:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:50:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:50:23,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:50:23,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1455182, now seen corresponding path program 1 times [2018-11-10 01:50:23,654 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 01:50:23,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 01:50:23,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:50:23,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:50:23,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:50:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:23,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:50:23,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:50:23,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 01:50:23,680 INFO L810 eck$LassoCheckResult]: loop already infeasible [2018-11-10 01:50:23,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 01:50:23,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 01:50:23,691 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2018-11-10 01:50:23,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:50:23,701 INFO L93 Difference]: Finished difference Result 81 states and 98 transitions. [2018-11-10 01:50:23,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 01:50:23,703 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 98 transitions. [2018-11-10 01:50:23,705 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 65 [2018-11-10 01:50:23,710 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 77 states and 94 transitions. [2018-11-10 01:50:23,711 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 77 [2018-11-10 01:50:23,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 77 [2018-11-10 01:50:23,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 94 transitions. [2018-11-10 01:50:23,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 01:50:23,713 INFO L705 BuchiCegarLoop]: Abstraction has 77 states and 94 transitions. [2018-11-10 01:50:23,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 94 transitions. [2018-11-10 01:50:23,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-11-10 01:50:23,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-11-10 01:50:23,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 94 transitions. [2018-11-10 01:50:23,736 INFO L728 BuchiCegarLoop]: Abstraction has 77 states and 94 transitions. [2018-11-10 01:50:23,736 INFO L608 BuchiCegarLoop]: Abstraction has 77 states and 94 transitions. [2018-11-10 01:50:23,736 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 01:50:23,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 94 transitions. [2018-11-10 01:50:23,737 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 65 [2018-11-10 01:50:23,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 01:50:23,737 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 01:50:23,738 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-10 01:50:23,738 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-10 01:50:23,738 INFO L793 eck$LassoCheckResult]: Stem: 219#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 8;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];~#list~0.base, ~#list~0.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true; 220#L824 SUMMARY for call write~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset + 0, 4); srcloc: L824 227#L824-1 SUMMARY for call write~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset + 4, 4); srcloc: L824-1 229#L824-2 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret20, main_#t~nondet19, main_#t~ret22, main_#t~nondet21, main_#t~nondet18, main_#t~nondet23, main_#t~mem24.base, main_#t~mem24.offset, main_#t~mem25.base, main_#t~mem25.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~0.base, main_~cursor~0.offset; 225#L828-3 [2018-11-10 01:50:23,738 INFO L795 eck$LassoCheckResult]: Loop: 225#L828-3 assume true; 226#L825-1 assume !!(main_#t~nondet18 != 0);havoc main_#t~nondet18; 187#L826-3 assume true; 175#L826-1 assume !(main_#t~nondet19 != 0);havoc main_#t~nondet19; 177#L828-2 assume true; 236#L828 assume !(main_#t~nondet21 != 0);havoc main_#t~nondet21; 225#L828-3 [2018-11-10 01:50:23,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:50:23,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1201604, now seen corresponding path program 2 times [2018-11-10 01:50:23,738 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 01:50:23,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 01:50:23,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:50:23,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:50:23,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:50:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:50:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:50:23,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:50:23,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1396277551, now seen corresponding path program 1 times [2018-11-10 01:50:23,757 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 01:50:23,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 01:50:23,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:50:23,758 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 01:50:23,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:50:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:50:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:50:23,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:50:23,763 INFO L82 PathProgramCache]: Analyzing trace with hash 987183282, now seen corresponding path program 1 times [2018-11-10 01:50:23,763 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 01:50:23,763 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 01:50:23,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:50:23,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:50:23,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:50:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:50:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:50:23,932 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2018-11-10 01:50:23,987 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:50:23,988 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:50:23,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 01:50:23 BoogieIcfgContainer [2018-11-10 01:50:23,997 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 01:50:23,997 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 01:50:23,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 01:50:23,998 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 01:50:23,998 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:50:23" (3/4) ... [2018-11-10 01:50:24,001 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-10 01:50:24,033 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_62063e6b-57c8-4388-b716-fe5b6a14ec5a/bin-2019/uautomizer/witness.graphml [2018-11-10 01:50:24,033 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 01:50:24,034 INFO L168 Benchmark]: Toolchain (without parser) took 1421.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -79.0 MB). Peak memory consumption was 62.5 MB. Max. memory is 11.5 GB. [2018-11-10 01:50:24,034 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:50:24,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.12 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 923.3 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-11-10 01:50:24,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 923.3 MB in the beginning and 1.1 GB in the end (delta: -211.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2018-11-10 01:50:24,036 INFO L168 Benchmark]: Boogie Preprocessor took 28.40 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 01:50:24,036 INFO L168 Benchmark]: RCFGBuilder took 411.76 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: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2018-11-10 01:50:24,036 INFO L168 Benchmark]: BuchiAutomizer took 524.72 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: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. [2018-11-10 01:50:24,037 INFO L168 Benchmark]: Witness Printer took 35.58 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. [2018-11-10 01:50:24,039 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 331.12 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 923.3 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 923.3 MB in the beginning and 1.1 GB in the end (delta: -211.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.40 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 411.76 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: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 524.72 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: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. * Witness Printer took 35.58 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.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * 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 77 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 77 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 98 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: 825]: Nontermination argument in form of an infinite program execution. [2018-11-10 01:50:24,045 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:50:24,045 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:50:24,046 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:50:24,046 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b5202ef=0, NULL=0, \result=0, end_point=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@593882f2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@117bdc90=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@593882f2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c7f918=0, NULL=0, list=3, NULL=8, NULL=0, list=0, next=0, NULL=3, next=0, cursor=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79a0f92a=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a88fde2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d0adb68=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69f90c3c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@117bdc90=0, cursor=0, direction=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 825]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L824] CALL static list_t list; [L824] RET static list_t list; Loop: [L825] COND TRUE __VERIFIER_nondet_int() [L826] COND FALSE !(__VERIFIER_nondet_int()) [L828] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...