./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Madrid_true-no-overflow_false-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Madrid_true-no-overflow_false-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/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 64bit --witnessprinter.graph.data.programhash a2e3cac0a2b7a3ca917b5aba0246714aae086d70 ....................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-635dfa2 [2018-12-02 13:18:16,427 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:18:16,428 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:18:16,434 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:18:16,434 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:18:16,435 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:18:16,435 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:18:16,436 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:18:16,437 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:18:16,437 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:18:16,438 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:18:16,438 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:18:16,438 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:18:16,439 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:18:16,439 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:18:16,439 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:18:16,440 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:18:16,441 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:18:16,442 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:18:16,442 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:18:16,443 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:18:16,443 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:18:16,444 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:18:16,445 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:18:16,445 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:18:16,445 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:18:16,445 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:18:16,446 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:18:16,446 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:18:16,447 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:18:16,447 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:18:16,447 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:18:16,447 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:18:16,447 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:18:16,448 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:18:16,448 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:18:16,448 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-02 13:18:16,456 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:18:16,456 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:18:16,456 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 13:18:16,457 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 13:18:16,457 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 13:18:16,457 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 13:18:16,457 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 13:18:16,457 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 13:18:16,457 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 13:18:16,457 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 13:18:16,457 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 13:18:16,457 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:18:16,457 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 13:18:16,457 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:18:16,458 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:18:16,458 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 13:18:16,458 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 13:18:16,458 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 13:18:16,458 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:18:16,458 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 13:18:16,458 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 13:18:16,458 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 13:18:16,458 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:18:16,458 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 13:18:16,458 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 13:18:16,458 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:18:16,459 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 13:18:16,459 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 13:18:16,459 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 13:18:16,459 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_9f7b5446-71f4-4e6b-a87b-856707fbeee8/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2e3cac0a2b7a3ca917b5aba0246714aae086d70 [2018-12-02 13:18:16,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:18:16,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:18:16,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:18:16,485 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:18:16,485 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:18:16,486 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/Madrid_true-no-overflow_false-termination_true-valid-memsafety.c [2018-12-02 13:18:16,519 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/bin-2019/uautomizer/data/d22a8d925/9d1a3877afb94251a52e58d79972c695/FLAG39a4ba02a [2018-12-02 13:18:16,873 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:18:16,873 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/sv-benchmarks/c/termination-crafted/Madrid_true-no-overflow_false-termination_true-valid-memsafety.c [2018-12-02 13:18:16,878 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/bin-2019/uautomizer/data/d22a8d925/9d1a3877afb94251a52e58d79972c695/FLAG39a4ba02a [2018-12-02 13:18:16,889 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/bin-2019/uautomizer/data/d22a8d925/9d1a3877afb94251a52e58d79972c695 [2018-12-02 13:18:16,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:18:16,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:18:16,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:18:16,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:18:16,896 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:18:16,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:18:16" (1/1) ... [2018-12-02 13:18:16,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a63a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:16, skipping insertion in model container [2018-12-02 13:18:16,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:18:16" (1/1) ... [2018-12-02 13:18:16,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:18:16,915 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:18:17,010 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:18:17,013 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:18:17,021 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:18:17,028 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:18:17,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:17 WrapperNode [2018-12-02 13:18:17,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:18:17,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:18:17,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:18:17,030 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:18:17,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:17" (1/1) ... [2018-12-02 13:18:17,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:17" (1/1) ... [2018-12-02 13:18:17,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:18:17,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:18:17,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:18:17,049 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:18:17,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:17" (1/1) ... [2018-12-02 13:18:17,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:17" (1/1) ... [2018-12-02 13:18:17,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:17" (1/1) ... [2018-12-02 13:18:17,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:17" (1/1) ... [2018-12-02 13:18:17,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:17" (1/1) ... [2018-12-02 13:18:17,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:17" (1/1) ... [2018-12-02 13:18:17,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:17" (1/1) ... [2018-12-02 13:18:17,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:18:17,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:18:17,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:18:17,060 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:18:17,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/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 [2018-12-02 13:18:17,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:18:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:18:17,184 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:18:17,184 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-02 13:18:17,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:18:17 BoogieIcfgContainer [2018-12-02 13:18:17,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:18:17,185 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 13:18:17,185 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 13:18:17,187 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 13:18:17,188 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 13:18:17,188 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 01:18:16" (1/3) ... [2018-12-02 13:18:17,189 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e1412e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 01:18:17, skipping insertion in model container [2018-12-02 13:18:17,189 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 13:18:17,189 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:18:17" (2/3) ... [2018-12-02 13:18:17,189 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e1412e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 01:18:17, skipping insertion in model container [2018-12-02 13:18:17,189 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 13:18:17,189 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:18:17" (3/3) ... [2018-12-02 13:18:17,190 INFO L375 chiAutomizerObserver]: Analyzing ICFG Madrid_true-no-overflow_false-termination_true-valid-memsafety.c [2018-12-02 13:18:17,224 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 13:18:17,225 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 13:18:17,225 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 13:18:17,225 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 13:18:17,225 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 13:18:17,225 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 13:18:17,225 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 13:18:17,225 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 13:18:17,225 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 13:18:17,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-12-02 13:18:17,246 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-02 13:18:17,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 13:18:17,246 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 13:18:17,250 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-02 13:18:17,250 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-02 13:18:17,250 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 13:18:17,250 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-12-02 13:18:17,251 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-02 13:18:17,251 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 13:18:17,251 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 13:18:17,251 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-02 13:18:17,251 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-02 13:18:17,255 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0;havoc main_~x~0;main_~x~0 := 7; 6#L14-2true [2018-12-02 13:18:17,255 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(0 != ~unnamed0~0~true);main_~x~0 := 2; 6#L14-2true [2018-12-02 13:18:17,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:18:17,260 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-02 13:18:17,261 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 13:18:17,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 13:18:17,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:18:17,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:18:17,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:18:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:18:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:18:17,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:18:17,317 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-12-02 13:18:17,317 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 13:18:17,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 13:18:17,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:18:17,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:18:17,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:18:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:18:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:18:17,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:18:17,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-12-02 13:18:17,323 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 13:18:17,323 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 13:18:17,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:18:17,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:18:17,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:18:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:18:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:18:17,356 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 13:18:17,356 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 13:18:17,356 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 13:18:17,356 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 13:18:17,357 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 13:18:17,357 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 13:18:17,357 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 13:18:17,357 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 13:18:17,357 INFO L131 ssoRankerPreferences]: Filename of dumped script: Madrid_true-no-overflow_false-termination_true-valid-memsafety.c_Iteration1_Lasso [2018-12-02 13:18:17,357 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 13:18:17,357 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 13:18:17,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:18:17,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:18:17,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:18:17,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:18:17,440 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 13:18:17,441 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/bin-2019/uautomizer/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 13:18:17,444 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 13:18:17,445 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 13:18:17,462 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 13:18:17,462 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/bin-2019/uautomizer/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 13:18:17,465 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 13:18:17,465 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 13:18:17,481 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 13:18:17,481 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/bin-2019/uautomizer/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 13:18:17,484 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 13:18:17,484 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 13:18:17,486 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 13:18:17,486 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/bin-2019/uautomizer/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 13:18:17,504 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 13:18:17,504 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/bin-2019/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 13:18:17,523 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 13:18:17,523 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 13:18:17,532 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 13:18:17,532 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=7} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=-8}, {ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~x~0=2}] Lambdas: [0, 0, 0] Nus: [0, 0] [2018-12-02 13:18:17,549 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-12-02 13:18:17,551 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-12-02 13:18:17,552 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-12-02 13:18:17,552 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-12-02 13:18:17,552 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-12-02 13:18:17,552 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-12-02 13:18:17,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 01:18:17 BoogieIcfgContainer [2018-12-02 13:18:17,561 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 13:18:17,562 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:18:17,562 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:18:17,562 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:18:17,562 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:18:17" (3/4) ... [2018-12-02 13:18:17,565 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-02 13:18:17,587 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9f7b5446-71f4-4e6b-a87b-856707fbeee8/bin-2019/uautomizer/witness.graphml [2018-12-02 13:18:17,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:18:17,588 INFO L168 Benchmark]: Toolchain (without parser) took 696.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 958.7 MB in the beginning and 1.1 GB in the end (delta: -96.1 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-12-02 13:18:17,589 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:18:17,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 135.99 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 950.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-02 13:18:17,590 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.55 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 947.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 13:18:17,590 INFO L168 Benchmark]: Boogie Preprocessor took 10.59 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:18:17,591 INFO L168 Benchmark]: RCFGBuilder took 124.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-12-02 13:18:17,591 INFO L168 Benchmark]: BuchiAutomizer took 376.34 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: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 11.5 GB. [2018-12-02 13:18:17,592 INFO L168 Benchmark]: Witness Printer took 25.91 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 13:18:17,594 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 135.99 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 950.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.55 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 947.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.59 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 124.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 376.34 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: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 11.5 GB. * Witness Printer took 25.91 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital6 mio100 ax333 hnf100 lsp30 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq233 hnf100 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 14]: Nontermination argument in form of an infinite program execution. [2018-12-02 13:18:17,599 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-12-02 13:18:17,600 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-12-02 13:18:17,600 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-12-02 13:18:17,600 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-12-02 13:18:17,600 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-12-02 13:18:17,600 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-12-02 13:18:17,601 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-12-02 13:18:17,601 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-12-02 13:18:17,601 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-12-02 13:18:17,601 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2018-12-02 13:18:17,602 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2018-12-02 13:18:17,602 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution State at position 0 is {~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, x=0} State at position 1 is {~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, x=7} For i>1, the state at position i is {~unnamed0~0~true=1 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, ~unnamed0~0~false=0 + sum_{k=0}^i 0, x=7 + sum_{k=0}^i -8*0^k + 1*0^k + 2*0^k} - StatisticsResult: NonterminationArgumentStatistics Fixpoint 3GEVs Lambdas: [0, 0, 0] Mus: [0, 0] - NonterminatingLassoResult [Line: 14]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] int x; [L13] x = 7 Loop: [L14] COND TRUE \read(true) [L15] x = 2 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...