./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/while_infinite_loop_2_true-unreach-call_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c8ed992a-db0d-4729-89f4-dcbb458c4bca/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c8ed992a-db0d-4729-89f4-dcbb458c4bca/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c8ed992a-db0d-4729-89f4-dcbb458c4bca/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c8ed992a-db0d-4729-89f4-dcbb458c4bca/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/while_infinite_loop_2_true-unreach-call_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c8ed992a-db0d-4729-89f4-dcbb458c4bca/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c8ed992a-db0d-4729-89f4-dcbb458c4bca/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 38eaba8d64f477684f2f9d73b6277bf5294da706 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-aa41828 [2018-11-23 03:12:30,650 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:12:30,651 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:12:30,657 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:12:30,657 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:12:30,658 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:12:30,659 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:12:30,660 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:12:30,661 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:12:30,661 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:12:30,662 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:12:30,662 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:12:30,663 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:12:30,663 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:12:30,664 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:12:30,664 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:12:30,665 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:12:30,666 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:12:30,667 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:12:30,668 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:12:30,669 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:12:30,670 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:12:30,671 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:12:30,671 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:12:30,671 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:12:30,672 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:12:30,672 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:12:30,673 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:12:30,673 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:12:30,674 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:12:30,674 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:12:30,675 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:12:30,675 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:12:30,675 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:12:30,676 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:12:30,676 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:12:30,676 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c8ed992a-db0d-4729-89f4-dcbb458c4bca/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 03:12:30,685 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:12:30,685 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:12:30,686 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:12:30,686 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:12:30,686 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 03:12:30,686 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 03:12:30,687 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 03:12:30,687 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 03:12:30,687 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 03:12:30,687 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 03:12:30,687 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 03:12:30,687 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:12:30,687 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:12:30,687 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 03:12:30,688 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:12:30,688 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:12:30,688 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:12:30,688 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 03:12:30,688 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 03:12:30,688 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 03:12:30,688 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:12:30,689 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:12:30,689 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 03:12:30,689 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:12:30,689 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 03:12:30,689 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:12:30,689 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:12:30,689 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 03:12:30,689 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:12:30,690 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 03:12:30,690 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 03:12:30,690 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 03:12:30,691 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_c8ed992a-db0d-4729-89f4-dcbb458c4bca/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 -> 38eaba8d64f477684f2f9d73b6277bf5294da706 [2018-11-23 03:12:30,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:12:30,722 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:12:30,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:12:30,726 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:12:30,726 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:12:30,727 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c8ed992a-db0d-4729-89f4-dcbb458c4bca/bin-2019/uautomizer/../../sv-benchmarks/c/loops/while_infinite_loop_2_true-unreach-call_false-termination.i [2018-11-23 03:12:30,771 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c8ed992a-db0d-4729-89f4-dcbb458c4bca/bin-2019/uautomizer/data/29a55c79d/e1e2bf39f04a4dccb22f4154c1fbdc3d/FLAG9584b4641 [2018-11-23 03:12:31,168 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:12:31,169 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c8ed992a-db0d-4729-89f4-dcbb458c4bca/sv-benchmarks/c/loops/while_infinite_loop_2_true-unreach-call_false-termination.i [2018-11-23 03:12:31,173 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c8ed992a-db0d-4729-89f4-dcbb458c4bca/bin-2019/uautomizer/data/29a55c79d/e1e2bf39f04a4dccb22f4154c1fbdc3d/FLAG9584b4641 [2018-11-23 03:12:31,182 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c8ed992a-db0d-4729-89f4-dcbb458c4bca/bin-2019/uautomizer/data/29a55c79d/e1e2bf39f04a4dccb22f4154c1fbdc3d [2018-11-23 03:12:31,184 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:12:31,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:12:31,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:12:31,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:12:31,189 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:12:31,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:12:31" (1/1) ... [2018-11-23 03:12:31,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c3c4ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:31, skipping insertion in model container [2018-11-23 03:12:31,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:12:31" (1/1) ... [2018-11-23 03:12:31,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:12:31,216 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:12:31,327 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:12:31,329 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:12:31,337 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:12:31,346 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:12:31,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:31 WrapperNode [2018-11-23 03:12:31,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:12:31,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:12:31,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:12:31,347 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:12:31,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:31" (1/1) ... [2018-11-23 03:12:31,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:31" (1/1) ... [2018-11-23 03:12:31,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:12:31,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:12:31,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:12:31,366 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:12:31,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:31" (1/1) ... [2018-11-23 03:12:31,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:31" (1/1) ... [2018-11-23 03:12:31,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:31" (1/1) ... [2018-11-23 03:12:31,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:31" (1/1) ... [2018-11-23 03:12:31,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:31" (1/1) ... [2018-11-23 03:12:31,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:31" (1/1) ... [2018-11-23 03:12:31,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:31" (1/1) ... [2018-11-23 03:12:31,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:12:31,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:12:31,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:12:31,376 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:12:31,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c8ed992a-db0d-4729-89f4-dcbb458c4bca/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 [2018-11-23 03:12:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:12:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:12:31,525 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:12:31,525 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-23 03:12:31,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:12:31 BoogieIcfgContainer [2018-11-23 03:12:31,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:12:31,526 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 03:12:31,526 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 03:12:31,528 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 03:12:31,528 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 03:12:31,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 03:12:31" (1/3) ... [2018-11-23 03:12:31,529 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f629fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:12:31, skipping insertion in model container [2018-11-23 03:12:31,529 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 03:12:31,529 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:31" (2/3) ... [2018-11-23 03:12:31,529 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f629fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:12:31, skipping insertion in model container [2018-11-23 03:12:31,530 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 03:12:31,530 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:12:31" (3/3) ... [2018-11-23 03:12:31,531 INFO L375 chiAutomizerObserver]: Analyzing ICFG while_infinite_loop_2_true-unreach-call_false-termination.i [2018-11-23 03:12:31,576 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 03:12:31,576 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 03:12:31,576 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 03:12:31,576 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 03:12:31,576 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:12:31,576 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:12:31,576 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 03:12:31,577 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:12:31,577 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 03:12:31,585 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-11-23 03:12:31,599 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 03:12:31,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 03:12:31,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 03:12:31,603 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 03:12:31,603 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 03:12:31,603 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 03:12:31,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-11-23 03:12:31,604 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 03:12:31,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 03:12:31,604 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 03:12:31,604 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 03:12:31,604 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 03:12:31,609 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0;main_~x~0 := 0; 9#L4-2true [2018-11-23 03:12:31,609 INFO L796 eck$LassoCheckResult]: Loop: 9#L4-2true assume !false;__VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 11#L4true assume !(0 == __VERIFIER_assert_~cond); 9#L4-2true [2018-11-23 03:12:31,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:31,613 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-23 03:12:31,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:12:31,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:12:31,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:31,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:31,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:12:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:12:31,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:31,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1288, now seen corresponding path program 1 times [2018-11-23 03:12:31,669 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:12:31,669 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:12:31,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:31,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:31,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:12:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:12:31,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:31,678 INFO L82 PathProgramCache]: Analyzing trace with hash 31079, now seen corresponding path program 1 times [2018-11-23 03:12:31,678 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:12:31,678 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:12:31,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:31,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:31,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:12:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_~x~0;main_~x~0 := 0; [?] havoc main_#res; [?] havoc main_~x~0; [L10] main_~x~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_~x~0; [L10] main_~x~0 := 0; [?] havoc main_#res; [?] havoc main_~x~0; [L10] main_~x~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_~x~0; [L10] main_~x~0 := 0; [L10] ~x~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L10] ~x~0 := 0; [L10] int x=0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !false;__VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [?] assume !(0 == __VERIFIER_assert_~cond); [L12-L15] assume !false; [L14] __VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L4-L6] assume !(0 == __VERIFIER_assert_~cond); ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L12-L15] assume !false; [L14] __VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L4-L6] assume !(0 == __VERIFIER_assert_~cond); [L12-L15] COND FALSE !(false) [L14] __VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L4] COND FALSE !(0 == __VERIFIER_assert_~cond) ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L12-L15] COND FALSE !(false) [L14] __VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L4] COND FALSE !(0 == __VERIFIER_assert_~cond) [L12-L15] COND FALSE !(false) [L3-L8] ~cond := #in~cond; [L4] COND FALSE !(0 == ~cond) ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L12-L15] COND FALSE !(false) [L3-L8] ~cond := #in~cond; [L4] COND FALSE !(0 == ~cond) [L12] COND TRUE 1 [L4] COND FALSE !(!(cond)) ----- [2018-11-23 03:12:31,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 03:12:31 BoogieIcfgContainer [2018-11-23 03:12:31,750 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 03:12:31,750 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:12:31,750 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:12:31,751 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:12:31,751 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:12:31" (3/4) ... [2018-11-23 03:12:31,754 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_~x~0;main_~x~0 := 0; [?] havoc main_#res; [?] havoc main_~x~0; [L10] main_~x~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_~x~0; [L10] main_~x~0 := 0; [?] havoc main_#res; [?] havoc main_~x~0; [L10] main_~x~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_~x~0; [L10] main_~x~0 := 0; [L10] ~x~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L10] ~x~0 := 0; [L10] int x=0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !false;__VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [?] assume !(0 == __VERIFIER_assert_~cond); [L12-L15] assume !false; [L14] __VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L4-L6] assume !(0 == __VERIFIER_assert_~cond); ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L12-L15] assume !false; [L14] __VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L4-L6] assume !(0 == __VERIFIER_assert_~cond); [L12-L15] COND FALSE !(false) [L14] __VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L4] COND FALSE !(0 == __VERIFIER_assert_~cond) ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L12-L15] COND FALSE !(false) [L14] __VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L4] COND FALSE !(0 == __VERIFIER_assert_~cond) [L12-L15] COND FALSE !(false) [L3-L8] ~cond := #in~cond; [L4] COND FALSE !(0 == ~cond) ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L12-L15] COND FALSE !(false) [L3-L8] ~cond := #in~cond; [L4] COND FALSE !(0 == ~cond) [L12] COND TRUE 1 [L4] COND FALSE !(!(cond)) ----- [2018-11-23 03:12:31,781 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c8ed992a-db0d-4729-89f4-dcbb458c4bca/bin-2019/uautomizer/witness.graphml [2018-11-23 03:12:31,781 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:12:31,782 INFO L168 Benchmark]: Toolchain (without parser) took 596.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 960.9 MB in the beginning and 1.1 GB in the end (delta: -141.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:12:31,783 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:12:31,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.56 ms. Allocated memory is still 1.0 GB. Free memory was 960.9 MB in the beginning and 950.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:12:31,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.11 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 944.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:12:31,785 INFO L168 Benchmark]: Boogie Preprocessor took 10.40 ms. Allocated memory is still 1.0 GB. Free memory is still 944.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:12:31,786 INFO L168 Benchmark]: RCFGBuilder took 149.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:12:31,787 INFO L168 Benchmark]: BuchiAutomizer took 224.47 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:12:31,787 INFO L168 Benchmark]: Witness Printer took 30.77 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. [2018-11-23 03:12:31,792 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 160.56 ms. Allocated memory is still 1.0 GB. Free memory was 960.9 MB in the beginning and 950.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.11 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 944.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.40 ms. Allocated memory is still 1.0 GB. Free memory is still 944.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 149.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 224.47 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 30.77 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. * 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 0.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.1s. 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: 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: 1]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {cond=1, \result=0, \old(cond)=1, x=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 3]: Nonterminating execution ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_~x~0;main_~x~0 := 0; [?] havoc main_#res; [?] havoc main_~x~0; [L10] main_~x~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_~x~0; [L10] main_~x~0 := 0; [?] havoc main_#res; [?] havoc main_~x~0; [L10] main_~x~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_~x~0; [L10] main_~x~0 := 0; [L10] ~x~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L10] ~x~0 := 0; [L10] int x=0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !false;__VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [?] assume !(0 == __VERIFIER_assert_~cond); [L12-L15] assume !false; [L14] __VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L4-L6] assume !(0 == __VERIFIER_assert_~cond); ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L12-L15] assume !false; [L14] __VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L4-L6] assume !(0 == __VERIFIER_assert_~cond); [L12-L15] COND FALSE !(false) [L14] __VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L4] COND FALSE !(0 == __VERIFIER_assert_~cond) ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L12-L15] COND FALSE !(false) [L14] __VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L4] COND FALSE !(0 == __VERIFIER_assert_~cond) [L12-L15] COND FALSE !(false) [L3-L8] ~cond := #in~cond; [L4] COND FALSE !(0 == ~cond) ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L12-L15] COND FALSE !(false) [L3-L8] ~cond := #in~cond; [L4] COND FALSE !(0 == ~cond) [L12] COND TRUE 1 [L4] COND FALSE !(!(cond)) ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_~x~0;main_~x~0 := 0; [?] havoc main_#res; [?] havoc main_~x~0; [L10] main_~x~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_~x~0; [L10] main_~x~0 := 0; [?] havoc main_#res; [?] havoc main_~x~0; [L10] main_~x~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_~x~0; [L10] main_~x~0 := 0; [L10] ~x~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L10] ~x~0 := 0; [L10] int x=0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !false;__VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [?] assume !(0 == __VERIFIER_assert_~cond); [L12-L15] assume !false; [L14] __VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L4-L6] assume !(0 == __VERIFIER_assert_~cond); ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L12-L15] assume !false; [L14] __VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L4-L6] assume !(0 == __VERIFIER_assert_~cond); [L12-L15] COND FALSE !(false) [L14] __VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L4] COND FALSE !(0 == __VERIFIER_assert_~cond) ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L12-L15] COND FALSE !(false) [L14] __VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L4] COND FALSE !(0 == __VERIFIER_assert_~cond) [L12-L15] COND FALSE !(false) [L3-L8] ~cond := #in~cond; [L4] COND FALSE !(0 == ~cond) ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L12-L15] COND FALSE !(false) [L3-L8] ~cond := #in~cond; [L4] COND FALSE !(0 == ~cond) [L12] COND TRUE 1 [L4] COND FALSE !(!(cond)) ----- Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L10] int x=0; Loop: [L12] COND TRUE 1 [L4] COND FALSE !(!(cond)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...