./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/memsafety/test-0218_true-valid-memsafety_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_8dadc5c3-49d5-473d-b74b-f5b450918f12/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8dadc5c3-49d5-473d-b74b-f5b450918f12/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8dadc5c3-49d5-473d-b74b-f5b450918f12/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8dadc5c3-49d5-473d-b74b-f5b450918f12/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-0218_true-valid-memsafety_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8dadc5c3-49d5-473d-b74b-f5b450918f12/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8dadc5c3-49d5-473d-b74b-f5b450918f12/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 81bd924633f460f7a725e1a3767479d5920ead2e ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:37:43,503 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:37:43,505 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:37:43,515 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:37:43,515 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:37:43,516 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:37:43,518 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:37:43,519 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:37:43,521 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:37:43,524 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:37:43,525 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:37:43,525 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:37:43,526 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:37:43,527 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:37:43,528 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:37:43,529 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:37:43,529 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:37:43,532 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:37:43,534 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:37:43,535 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:37:43,536 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:37:43,538 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:37:43,540 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:37:43,541 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:37:43,541 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:37:43,542 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:37:43,543 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:37:43,544 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:37:43,545 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:37:43,546 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:37:43,547 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:37:43,547 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:37:43,547 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:37:43,548 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:37:43,548 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:37:43,549 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:37:43,549 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8dadc5c3-49d5-473d-b74b-f5b450918f12/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 04:37:43,562 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:37:43,562 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:37:43,563 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:37:43,563 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:37:43,563 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 04:37:43,564 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 04:37:43,564 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 04:37:43,564 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 04:37:43,564 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 04:37:43,564 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 04:37:43,564 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 04:37:43,564 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:37:43,565 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:37:43,565 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 04:37:43,565 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:37:43,565 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:37:43,565 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:37:43,565 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 04:37:43,565 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 04:37:43,565 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 04:37:43,565 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:37:43,565 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:37:43,566 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 04:37:43,566 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:37:43,566 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 04:37:43,567 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:37:43,567 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:37:43,567 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 04:37:43,568 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:37:43,568 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 04:37:43,568 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 04:37:43,569 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 04:37:43,569 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_8dadc5c3-49d5-473d-b74b-f5b450918f12/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 -> 81bd924633f460f7a725e1a3767479d5920ead2e [2018-11-23 04:37:43,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:37:43,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:37:43,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:37:43,615 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:37:43,616 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:37:43,617 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8dadc5c3-49d5-473d-b74b-f5b450918f12/bin-2019/uautomizer/../../sv-benchmarks/c/memsafety/test-0218_true-valid-memsafety_false-termination.i [2018-11-23 04:37:43,680 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8dadc5c3-49d5-473d-b74b-f5b450918f12/bin-2019/uautomizer/data/252d3ec25/91403817842c4dc3935fb7bce4298f48/FLAGaa9fcadcc [2018-11-23 04:37:44,120 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:37:44,121 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8dadc5c3-49d5-473d-b74b-f5b450918f12/sv-benchmarks/c/memsafety/test-0218_true-valid-memsafety_false-termination.i [2018-11-23 04:37:44,134 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8dadc5c3-49d5-473d-b74b-f5b450918f12/bin-2019/uautomizer/data/252d3ec25/91403817842c4dc3935fb7bce4298f48/FLAGaa9fcadcc [2018-11-23 04:37:44,651 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8dadc5c3-49d5-473d-b74b-f5b450918f12/bin-2019/uautomizer/data/252d3ec25/91403817842c4dc3935fb7bce4298f48 [2018-11-23 04:37:44,655 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:37:44,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:37:44,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:37:44,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:37:44,662 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:37:44,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:37:44" (1/1) ... [2018-11-23 04:37:44,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a3f6de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:44, skipping insertion in model container [2018-11-23 04:37:44,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:37:44" (1/1) ... [2018-11-23 04:37:44,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:37:44,718 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:37:45,065 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:37:45,076 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:37:45,218 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:37:45,275 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:37:45,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:45 WrapperNode [2018-11-23 04:37:45,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:37:45,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:37:45,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:37:45,276 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:37:45,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:45" (1/1) ... [2018-11-23 04:37:45,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:45" (1/1) ... [2018-11-23 04:37:45,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:37:45,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:37:45,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:37:45,327 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:37:45,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:45" (1/1) ... [2018-11-23 04:37:45,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:45" (1/1) ... [2018-11-23 04:37:45,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:45" (1/1) ... [2018-11-23 04:37:45,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:45" (1/1) ... [2018-11-23 04:37:45,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:45" (1/1) ... [2018-11-23 04:37:45,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:45" (1/1) ... [2018-11-23 04:37:45,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:45" (1/1) ... [2018-11-23 04:37:45,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:37:45,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:37:45,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:37:45,361 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:37:45,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8dadc5c3-49d5-473d-b74b-f5b450918f12/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 04:37:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 04:37:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 04:37:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 04:37:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 04:37:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 04:37:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 04:37:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 04:37:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:37:45,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:37:45,510 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 04:37:45,811 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:37:45,811 INFO L280 CfgBuilder]: Removed 21 assue(true) statements. [2018-11-23 04:37:45,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:37:45 BoogieIcfgContainer [2018-11-23 04:37:45,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:37:45,813 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 04:37:45,813 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 04:37:45,815 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 04:37:45,815 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 04:37:45,816 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 04:37:44" (1/3) ... [2018-11-23 04:37:45,816 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e9613a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 04:37:45, skipping insertion in model container [2018-11-23 04:37:45,816 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 04:37:45,816 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:37:45" (2/3) ... [2018-11-23 04:37:45,817 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e9613a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 04:37:45, skipping insertion in model container [2018-11-23 04:37:45,817 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 04:37:45,817 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:37:45" (3/3) ... [2018-11-23 04:37:45,818 INFO L375 chiAutomizerObserver]: Analyzing ICFG test-0218_true-valid-memsafety_false-termination.i [2018-11-23 04:37:45,850 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 04:37:45,850 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 04:37:45,850 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 04:37:45,850 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 04:37:45,850 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:37:45,850 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:37:45,850 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 04:37:45,851 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:37:45,851 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 04:37:45,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states. [2018-11-23 04:37:45,880 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2018-11-23 04:37:45,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 04:37:45,880 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 04:37:45,884 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 04:37:45,884 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 04:37:45,885 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 04:37:45,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states. [2018-11-23 04:37:45,887 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2018-11-23 04:37:45,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 04:37:45,887 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 04:37:45,888 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 04:37:45,888 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 04:37:45,892 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call ~#list~0.base, ~#list~0.offset := #Ultimate.alloc(8);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 11#L-1true havoc main_#res;havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32.base, main_#t~mem32.offset, main_#t~mem33.base, main_#t~mem33.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; 7#L826-2true [2018-11-23 04:37:45,893 INFO L796 eck$LassoCheckResult]: Loop: 7#L826-2true assume !!(0 != main_#t~nondet26);havoc main_#t~nondet26; 38#L824-2true assume !true; 3#L826-1true assume !true; 7#L826-2true [2018-11-23 04:37:45,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:45,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2018-11-23 04:37:45,898 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:37:45,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:37:45,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:45,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:45,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:37:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:37:45,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:45,966 INFO L82 PathProgramCache]: Analyzing trace with hash 52490, now seen corresponding path program 1 times [2018-11-23 04:37:45,966 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:37:45,967 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:37:45,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:45,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:45,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:45,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:37:45,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:37:45,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 04:37:45,990 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-23 04:37:45,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 04:37:45,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 04:37:46,000 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2018-11-23 04:37:46,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:37:46,010 INFO L93 Difference]: Finished difference Result 52 states and 72 transitions. [2018-11-23 04:37:46,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 04:37:46,012 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 72 transitions. [2018-11-23 04:37:46,014 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2018-11-23 04:37:46,018 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 48 states and 68 transitions. [2018-11-23 04:37:46,019 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2018-11-23 04:37:46,020 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2018-11-23 04:37:46,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 68 transitions. [2018-11-23 04:37:46,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 04:37:46,021 INFO L705 BuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2018-11-23 04:37:46,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 68 transitions. [2018-11-23 04:37:46,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-11-23 04:37:46,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-23 04:37:46,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2018-11-23 04:37:46,046 INFO L728 BuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2018-11-23 04:37:46,046 INFO L608 BuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2018-11-23 04:37:46,046 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 04:37:46,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 68 transitions. [2018-11-23 04:37:46,047 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2018-11-23 04:37:46,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 04:37:46,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 04:37:46,048 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 04:37:46,048 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 04:37:46,048 INFO L794 eck$LassoCheckResult]: Stem: 157#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call ~#list~0.base, ~#list~0.offset := #Ultimate.alloc(8);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 143#L-1 havoc main_#res;havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32.base, main_#t~mem32.offset, main_#t~mem33.base, main_#t~mem33.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; 117#L826-2 [2018-11-23 04:37:46,048 INFO L796 eck$LassoCheckResult]: Loop: 117#L826-2 assume !!(0 != main_#t~nondet26);havoc main_#t~nondet26; 127#L824-2 assume !(0 != main_#t~nondet27);havoc main_#t~nondet27; 116#L826-1 assume !(0 != main_#t~nondet29);havoc main_#t~nondet29; 117#L826-2 [2018-11-23 04:37:46,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:46,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2018-11-23 04:37:46,048 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:37:46,048 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:37:46,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:46,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:46,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:37:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:37:46,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:46,058 INFO L82 PathProgramCache]: Analyzing trace with hash 49962, now seen corresponding path program 1 times [2018-11-23 04:37:46,058 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:37:46,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:37:46,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:46,060 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 04:37:46,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:37:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:37:46,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:46,065 INFO L82 PathProgramCache]: Analyzing trace with hash 37288712, now seen corresponding path program 1 times [2018-11-23 04:37:46,065 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:37:46,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:37:46,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:46,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:46,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:37:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call ~#list~0.base, ~#list~0.offset := #Ultimate.alloc(8);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); [?] havoc main_#res;havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32.base, main_#t~mem32.offset, main_#t~mem33.base, main_#t~mem33.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L822] call ~#list~0.base, ~#list~0.offset := #Ultimate.alloc(8); [L822] call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4); [L822] call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); [?] havoc main_#res; [?] havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32.base, main_#t~mem32.offset, main_#t~mem33.base, main_#t~mem33.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L822] call ~#list~0.base, ~#list~0.offset := #Ultimate.alloc(8); [L822] call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4); [L822] call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); [?] havoc main_#res; [?] havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32.base, main_#t~mem32.offset, main_#t~mem33.base, main_#t~mem33.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L822] FCALL call ~#list~0 := #Ultimate.alloc(8); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: ~#list~0!offset }, 4); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: 4 + ~#list~0!offset }, 4); [?] havoc main_#res; [?] havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32, main_#t~mem33, main_~next~1, main_~end_point~0, main_~direction~0, main_~cursor~1; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L822] FCALL call ~#list~0 := #Ultimate.alloc(8); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: ~#list~0!offset }, 4); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: 4 + ~#list~0!offset }, 4); [?] havoc main_#res; [?] havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32, main_#t~mem33, main_~next~1, main_~end_point~0, main_~direction~0, main_~cursor~1; [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L822] FCALL call ~#list~0 := #Ultimate.alloc(8); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: ~#list~0!offset }, 4); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: 4 + ~#list~0!offset }, 4); ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L822] FCALL call ~#list~0 := #Ultimate.alloc(8); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: ~#list~0!offset }, 4); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: 4 + ~#list~0!offset }, 4); [L822] static list_t list; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(0 != main_#t~nondet26);havoc main_#t~nondet26; [?] assume !(0 != main_#t~nondet27);havoc main_#t~nondet27; [?] assume !(0 != main_#t~nondet29);havoc main_#t~nondet29; [L823-L828] assume !!(0 != main_#t~nondet26); [L823] havoc main_#t~nondet26; [L824-L825] assume !(0 != main_#t~nondet27); [L824] havoc main_#t~nondet27; [L826-L827] assume !(0 != main_#t~nondet29); [L826] havoc main_#t~nondet29; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L823-L828] assume !!(0 != main_#t~nondet26); [L823] havoc main_#t~nondet26; [L824-L825] assume !(0 != main_#t~nondet27); [L824] havoc main_#t~nondet27; [L826-L827] assume !(0 != main_#t~nondet29); [L826] havoc main_#t~nondet29; [L823-L828] COND FALSE !(!(0 != main_#t~nondet26)) [L823] havoc main_#t~nondet26; [L824-L825] COND TRUE !(0 != main_#t~nondet27) [L824] havoc main_#t~nondet27; [L826-L827] COND TRUE !(0 != main_#t~nondet29) [L826] havoc main_#t~nondet29; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L823-L828] COND FALSE !(!(0 != main_#t~nondet26)) [L823] havoc main_#t~nondet26; [L824-L825] COND TRUE !(0 != main_#t~nondet27) [L824] havoc main_#t~nondet27; [L826-L827] COND TRUE !(0 != main_#t~nondet29) [L826] havoc main_#t~nondet29; [L823-L828] COND FALSE !(!(0 != #t~nondet26)) [L823] havoc #t~nondet26; [L824-L825] COND TRUE !(0 != #t~nondet27) [L824] havoc #t~nondet27; [L826-L827] COND TRUE !(0 != #t~nondet29) [L826] havoc #t~nondet29; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L823-L828] COND FALSE !(!(0 != #t~nondet26)) [L823] havoc #t~nondet26; [L824-L825] COND TRUE !(0 != #t~nondet27) [L824] havoc #t~nondet27; [L826-L827] COND TRUE !(0 != #t~nondet29) [L826] havoc #t~nondet29; [L823] COND TRUE __VERIFIER_nondet_int() [L824] COND FALSE !(__VERIFIER_nondet_int()) [L826] COND FALSE !(__VERIFIER_nondet_int()) ----- [2018-11-23 04:37:46,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 04:37:46 BoogieIcfgContainer [2018-11-23 04:37:46,188 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 04:37:46,188 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:37:46,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:37:46,188 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:37:46,189 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:37:45" (3/4) ... [2018-11-23 04:37:46,191 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call ~#list~0.base, ~#list~0.offset := #Ultimate.alloc(8);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); [?] havoc main_#res;havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32.base, main_#t~mem32.offset, main_#t~mem33.base, main_#t~mem33.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L822] call ~#list~0.base, ~#list~0.offset := #Ultimate.alloc(8); [L822] call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4); [L822] call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); [?] havoc main_#res; [?] havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32.base, main_#t~mem32.offset, main_#t~mem33.base, main_#t~mem33.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L822] call ~#list~0.base, ~#list~0.offset := #Ultimate.alloc(8); [L822] call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4); [L822] call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); [?] havoc main_#res; [?] havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32.base, main_#t~mem32.offset, main_#t~mem33.base, main_#t~mem33.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L822] FCALL call ~#list~0 := #Ultimate.alloc(8); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: ~#list~0!offset }, 4); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: 4 + ~#list~0!offset }, 4); [?] havoc main_#res; [?] havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32, main_#t~mem33, main_~next~1, main_~end_point~0, main_~direction~0, main_~cursor~1; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L822] FCALL call ~#list~0 := #Ultimate.alloc(8); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: ~#list~0!offset }, 4); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: 4 + ~#list~0!offset }, 4); [?] havoc main_#res; [?] havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32, main_#t~mem33, main_~next~1, main_~end_point~0, main_~direction~0, main_~cursor~1; [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L822] FCALL call ~#list~0 := #Ultimate.alloc(8); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: ~#list~0!offset }, 4); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: 4 + ~#list~0!offset }, 4); ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L822] FCALL call ~#list~0 := #Ultimate.alloc(8); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: ~#list~0!offset }, 4); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: 4 + ~#list~0!offset }, 4); [L822] static list_t list; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(0 != main_#t~nondet26);havoc main_#t~nondet26; [?] assume !(0 != main_#t~nondet27);havoc main_#t~nondet27; [?] assume !(0 != main_#t~nondet29);havoc main_#t~nondet29; [L823-L828] assume !!(0 != main_#t~nondet26); [L823] havoc main_#t~nondet26; [L824-L825] assume !(0 != main_#t~nondet27); [L824] havoc main_#t~nondet27; [L826-L827] assume !(0 != main_#t~nondet29); [L826] havoc main_#t~nondet29; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L823-L828] assume !!(0 != main_#t~nondet26); [L823] havoc main_#t~nondet26; [L824-L825] assume !(0 != main_#t~nondet27); [L824] havoc main_#t~nondet27; [L826-L827] assume !(0 != main_#t~nondet29); [L826] havoc main_#t~nondet29; [L823-L828] COND FALSE !(!(0 != main_#t~nondet26)) [L823] havoc main_#t~nondet26; [L824-L825] COND TRUE !(0 != main_#t~nondet27) [L824] havoc main_#t~nondet27; [L826-L827] COND TRUE !(0 != main_#t~nondet29) [L826] havoc main_#t~nondet29; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L823-L828] COND FALSE !(!(0 != main_#t~nondet26)) [L823] havoc main_#t~nondet26; [L824-L825] COND TRUE !(0 != main_#t~nondet27) [L824] havoc main_#t~nondet27; [L826-L827] COND TRUE !(0 != main_#t~nondet29) [L826] havoc main_#t~nondet29; [L823-L828] COND FALSE !(!(0 != #t~nondet26)) [L823] havoc #t~nondet26; [L824-L825] COND TRUE !(0 != #t~nondet27) [L824] havoc #t~nondet27; [L826-L827] COND TRUE !(0 != #t~nondet29) [L826] havoc #t~nondet29; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L823-L828] COND FALSE !(!(0 != #t~nondet26)) [L823] havoc #t~nondet26; [L824-L825] COND TRUE !(0 != #t~nondet27) [L824] havoc #t~nondet27; [L826-L827] COND TRUE !(0 != #t~nondet29) [L826] havoc #t~nondet29; [L823] COND TRUE __VERIFIER_nondet_int() [L824] COND FALSE !(__VERIFIER_nondet_int()) [L826] COND FALSE !(__VERIFIER_nondet_int()) ----- [2018-11-23 04:37:46,222 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8dadc5c3-49d5-473d-b74b-f5b450918f12/bin-2019/uautomizer/witness.graphml [2018-11-23 04:37:46,222 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:37:46,223 INFO L168 Benchmark]: Toolchain (without parser) took 1567.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -101.4 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. [2018-11-23 04:37:46,224 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:37:46,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-11-23 04:37:46,224 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.98 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. [2018-11-23 04:37:46,225 INFO L168 Benchmark]: Boogie Preprocessor took 33.58 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 04:37:46,225 INFO L168 Benchmark]: RCFGBuilder took 452.17 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: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-11-23 04:37:46,225 INFO L168 Benchmark]: BuchiAutomizer took 375.27 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: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:37:46,225 INFO L168 Benchmark]: Witness Printer took 33.93 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. [2018-11-23 04:37:46,228 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 618.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.98 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. * Boogie Preprocessor took 33.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 452.17 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: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 375.27 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: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Witness Printer took 33.93 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 2 locations. The remainder module has 48 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.3s and 2 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 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 48 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 72 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 823]: 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 {cursor=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1580472f=0, \result=0, end_point=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@16dcfeca=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70949e4=0, NULL=0, list=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@16dcfeca=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@299eaf2f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@299eaf2f=0, list=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@607e8fb4=0, next=0, next=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58f5a732=0, cursor=0, direction=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6cc30ab5=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71ce88a8=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 823]: Nonterminating execution ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call ~#list~0.base, ~#list~0.offset := #Ultimate.alloc(8);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); [?] havoc main_#res;havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32.base, main_#t~mem32.offset, main_#t~mem33.base, main_#t~mem33.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L822] call ~#list~0.base, ~#list~0.offset := #Ultimate.alloc(8); [L822] call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4); [L822] call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); [?] havoc main_#res; [?] havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32.base, main_#t~mem32.offset, main_#t~mem33.base, main_#t~mem33.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L822] call ~#list~0.base, ~#list~0.offset := #Ultimate.alloc(8); [L822] call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4); [L822] call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); [?] havoc main_#res; [?] havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32.base, main_#t~mem32.offset, main_#t~mem33.base, main_#t~mem33.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L822] FCALL call ~#list~0 := #Ultimate.alloc(8); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: ~#list~0!offset }, 4); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: 4 + ~#list~0!offset }, 4); [?] havoc main_#res; [?] havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32, main_#t~mem33, main_~next~1, main_~end_point~0, main_~direction~0, main_~cursor~1; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L822] FCALL call ~#list~0 := #Ultimate.alloc(8); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: ~#list~0!offset }, 4); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: 4 + ~#list~0!offset }, 4); [?] havoc main_#res; [?] havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32, main_#t~mem33, main_~next~1, main_~end_point~0, main_~direction~0, main_~cursor~1; [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L822] FCALL call ~#list~0 := #Ultimate.alloc(8); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: ~#list~0!offset }, 4); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: 4 + ~#list~0!offset }, 4); ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L822] FCALL call ~#list~0 := #Ultimate.alloc(8); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: ~#list~0!offset }, 4); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: 4 + ~#list~0!offset }, 4); [L822] static list_t list; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(0 != main_#t~nondet26);havoc main_#t~nondet26; [?] assume !(0 != main_#t~nondet27);havoc main_#t~nondet27; [?] assume !(0 != main_#t~nondet29);havoc main_#t~nondet29; [L823-L828] assume !!(0 != main_#t~nondet26); [L823] havoc main_#t~nondet26; [L824-L825] assume !(0 != main_#t~nondet27); [L824] havoc main_#t~nondet27; [L826-L827] assume !(0 != main_#t~nondet29); [L826] havoc main_#t~nondet29; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L823-L828] assume !!(0 != main_#t~nondet26); [L823] havoc main_#t~nondet26; [L824-L825] assume !(0 != main_#t~nondet27); [L824] havoc main_#t~nondet27; [L826-L827] assume !(0 != main_#t~nondet29); [L826] havoc main_#t~nondet29; [L823-L828] COND FALSE !(!(0 != main_#t~nondet26)) [L823] havoc main_#t~nondet26; [L824-L825] COND TRUE !(0 != main_#t~nondet27) [L824] havoc main_#t~nondet27; [L826-L827] COND TRUE !(0 != main_#t~nondet29) [L826] havoc main_#t~nondet29; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L823-L828] COND FALSE !(!(0 != main_#t~nondet26)) [L823] havoc main_#t~nondet26; [L824-L825] COND TRUE !(0 != main_#t~nondet27) [L824] havoc main_#t~nondet27; [L826-L827] COND TRUE !(0 != main_#t~nondet29) [L826] havoc main_#t~nondet29; [L823-L828] COND FALSE !(!(0 != #t~nondet26)) [L823] havoc #t~nondet26; [L824-L825] COND TRUE !(0 != #t~nondet27) [L824] havoc #t~nondet27; [L826-L827] COND TRUE !(0 != #t~nondet29) [L826] havoc #t~nondet29; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L823-L828] COND FALSE !(!(0 != #t~nondet26)) [L823] havoc #t~nondet26; [L824-L825] COND TRUE !(0 != #t~nondet27) [L824] havoc #t~nondet27; [L826-L827] COND TRUE !(0 != #t~nondet29) [L826] havoc #t~nondet29; [L823] COND TRUE __VERIFIER_nondet_int() [L824] COND FALSE !(__VERIFIER_nondet_int()) [L826] COND FALSE !(__VERIFIER_nondet_int()) ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call ~#list~0.base, ~#list~0.offset := #Ultimate.alloc(8);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); [?] havoc main_#res;havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32.base, main_#t~mem32.offset, main_#t~mem33.base, main_#t~mem33.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L822] call ~#list~0.base, ~#list~0.offset := #Ultimate.alloc(8); [L822] call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4); [L822] call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); [?] havoc main_#res; [?] havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32.base, main_#t~mem32.offset, main_#t~mem33.base, main_#t~mem33.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L822] call ~#list~0.base, ~#list~0.offset := #Ultimate.alloc(8); [L822] call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4); [L822] call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); [?] havoc main_#res; [?] havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32.base, main_#t~mem32.offset, main_#t~mem33.base, main_#t~mem33.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L822] FCALL call ~#list~0 := #Ultimate.alloc(8); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: ~#list~0!offset }, 4); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: 4 + ~#list~0!offset }, 4); [?] havoc main_#res; [?] havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32, main_#t~mem33, main_~next~1, main_~end_point~0, main_~direction~0, main_~cursor~1; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L822] FCALL call ~#list~0 := #Ultimate.alloc(8); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: ~#list~0!offset }, 4); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: 4 + ~#list~0!offset }, 4); [?] havoc main_#res; [?] havoc main_#t~ret28, main_#t~nondet27, main_#t~ret30, main_#t~nondet29, main_#t~nondet26, main_#t~nondet31, main_#t~mem32, main_#t~mem33, main_~next~1, main_~end_point~0, main_~direction~0, main_~cursor~1; [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L822] FCALL call ~#list~0 := #Ultimate.alloc(8); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: ~#list~0!offset }, 4); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: 4 + ~#list~0!offset }, 4); ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L822] FCALL call ~#list~0 := #Ultimate.alloc(8); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: ~#list~0!offset }, 4); [L822] FCALL call write~init~$Pointer$({ base: 0, offset: 0 }, { base: ~#list~0!base, offset: 4 + ~#list~0!offset }, 4); [L822] static list_t list; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(0 != main_#t~nondet26);havoc main_#t~nondet26; [?] assume !(0 != main_#t~nondet27);havoc main_#t~nondet27; [?] assume !(0 != main_#t~nondet29);havoc main_#t~nondet29; [L823-L828] assume !!(0 != main_#t~nondet26); [L823] havoc main_#t~nondet26; [L824-L825] assume !(0 != main_#t~nondet27); [L824] havoc main_#t~nondet27; [L826-L827] assume !(0 != main_#t~nondet29); [L826] havoc main_#t~nondet29; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L823-L828] assume !!(0 != main_#t~nondet26); [L823] havoc main_#t~nondet26; [L824-L825] assume !(0 != main_#t~nondet27); [L824] havoc main_#t~nondet27; [L826-L827] assume !(0 != main_#t~nondet29); [L826] havoc main_#t~nondet29; [L823-L828] COND FALSE !(!(0 != main_#t~nondet26)) [L823] havoc main_#t~nondet26; [L824-L825] COND TRUE !(0 != main_#t~nondet27) [L824] havoc main_#t~nondet27; [L826-L827] COND TRUE !(0 != main_#t~nondet29) [L826] havoc main_#t~nondet29; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L823-L828] COND FALSE !(!(0 != main_#t~nondet26)) [L823] havoc main_#t~nondet26; [L824-L825] COND TRUE !(0 != main_#t~nondet27) [L824] havoc main_#t~nondet27; [L826-L827] COND TRUE !(0 != main_#t~nondet29) [L826] havoc main_#t~nondet29; [L823-L828] COND FALSE !(!(0 != #t~nondet26)) [L823] havoc #t~nondet26; [L824-L825] COND TRUE !(0 != #t~nondet27) [L824] havoc #t~nondet27; [L826-L827] COND TRUE !(0 != #t~nondet29) [L826] havoc #t~nondet29; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L823-L828] COND FALSE !(!(0 != #t~nondet26)) [L823] havoc #t~nondet26; [L824-L825] COND TRUE !(0 != #t~nondet27) [L824] havoc #t~nondet27; [L826-L827] COND TRUE !(0 != #t~nondet29) [L826] havoc #t~nondet29; [L823] COND TRUE __VERIFIER_nondet_int() [L824] COND FALSE !(__VERIFIER_nondet_int()) [L826] COND FALSE !(__VERIFIER_nondet_int()) ----- Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L822] static list_t list; Loop: [L823] COND TRUE __VERIFIER_nondet_int() [L824] COND FALSE !(__VERIFIER_nondet_int()) [L826] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...