./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr_false-unreach-call_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_45e73903-c852-4d1b-9cc7-ccaab05060ce/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_45e73903-c852-4d1b-9cc7-ccaab05060ce/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_45e73903-c852-4d1b-9cc7-ccaab05060ce/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_45e73903-c852-4d1b-9cc7-ccaab05060ce/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr_false-unreach-call_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_45e73903-c852-4d1b-9cc7-ccaab05060ce/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_45e73903-c852-4d1b-9cc7-ccaab05060ce/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 ce077c63676f801e14160b963d91b2f98c313404 ....................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:33:21,426 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:33:21,427 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:33:21,437 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:33:21,437 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:33:21,438 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:33:21,439 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:33:21,440 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:33:21,442 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:33:21,442 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:33:21,443 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:33:21,444 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:33:21,445 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:33:21,445 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:33:21,446 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:33:21,447 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:33:21,448 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:33:21,450 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:33:21,451 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:33:21,453 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:33:21,454 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:33:21,455 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:33:21,456 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:33:21,456 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:33:21,457 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:33:21,457 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:33:21,458 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:33:21,459 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:33:21,460 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:33:21,461 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:33:21,461 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:33:21,462 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:33:21,462 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:33:21,462 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:33:21,463 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:33:21,464 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:33:21,464 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_45e73903-c852-4d1b-9cc7-ccaab05060ce/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 12:33:21,476 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:33:21,476 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:33:21,477 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:33:21,477 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:33:21,477 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 12:33:21,478 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 12:33:21,478 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 12:33:21,478 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 12:33:21,478 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 12:33:21,478 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 12:33:21,478 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 12:33:21,479 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:33:21,479 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:33:21,479 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 12:33:21,479 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:33:21,480 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:33:21,481 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:33:21,481 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 12:33:21,481 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 12:33:21,481 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 12:33:21,481 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:33:21,481 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:33:21,482 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 12:33:21,482 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 12:33:21,482 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:33:21,482 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:33:21,482 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 12:33:21,482 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:33:21,482 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 12:33:21,483 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 12:33:21,483 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 12:33:21,484 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_45e73903-c852-4d1b-9cc7-ccaab05060ce/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 -> ce077c63676f801e14160b963d91b2f98c313404 [2018-11-10 12:33:21,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:33:21,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:33:21,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:33:21,531 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:33:21,531 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:33:21,532 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_45e73903-c852-4d1b-9cc7-ccaab05060ce/bin-2019/uautomizer/../../sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr_false-unreach-call_false-termination.i [2018-11-10 12:33:21,587 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45e73903-c852-4d1b-9cc7-ccaab05060ce/bin-2019/uautomizer/data/8735759ab/cf1013e350594ca3a5fee274f45d955f/FLAG380c8517b [2018-11-10 12:33:22,014 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:33:22,014 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_45e73903-c852-4d1b-9cc7-ccaab05060ce/sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr_false-unreach-call_false-termination.i [2018-11-10 12:33:22,027 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45e73903-c852-4d1b-9cc7-ccaab05060ce/bin-2019/uautomizer/data/8735759ab/cf1013e350594ca3a5fee274f45d955f/FLAG380c8517b [2018-11-10 12:33:22,037 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_45e73903-c852-4d1b-9cc7-ccaab05060ce/bin-2019/uautomizer/data/8735759ab/cf1013e350594ca3a5fee274f45d955f [2018-11-10 12:33:22,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:33:22,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:33:22,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:33:22,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:33:22,045 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:33:22,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:33:22" (1/1) ... [2018-11-10 12:33:22,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a61c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:22, skipping insertion in model container [2018-11-10 12:33:22,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:33:22" (1/1) ... [2018-11-10 12:33:22,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:33:22,089 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:33:22,309 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:33:22,319 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:33:22,360 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:33:22,394 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:33:22,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:22 WrapperNode [2018-11-10 12:33:22,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:33:22,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:33:22,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:33:22,396 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:33:22,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:22" (1/1) ... [2018-11-10 12:33:22,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:22" (1/1) ... [2018-11-10 12:33:22,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:33:22,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:33:22,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:33:22,498 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:33:22,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:22" (1/1) ... [2018-11-10 12:33:22,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:22" (1/1) ... [2018-11-10 12:33:22,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:22" (1/1) ... [2018-11-10 12:33:22,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:22" (1/1) ... [2018-11-10 12:33:22,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:22" (1/1) ... [2018-11-10 12:33:22,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:22" (1/1) ... [2018-11-10 12:33:22,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:22" (1/1) ... [2018-11-10 12:33:22,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:33:22,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:33:22,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:33:22,540 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:33:22,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45e73903-c852-4d1b-9cc7-ccaab05060ce/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 12:33:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 12:33:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 12:33:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-10 12:33:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-10 12:33:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:33:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:33:23,085 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:33:23,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:33:23 BoogieIcfgContainer [2018-11-10 12:33:23,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:33:23,086 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 12:33:23,086 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 12:33:23,089 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 12:33:23,090 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 12:33:23,090 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 12:33:22" (1/3) ... [2018-11-10 12:33:23,091 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@88a1751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 12:33:23, skipping insertion in model container [2018-11-10 12:33:23,091 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 12:33:23,091 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:33:22" (2/3) ... [2018-11-10 12:33:23,091 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@88a1751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 12:33:23, skipping insertion in model container [2018-11-10 12:33:23,091 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 12:33:23,092 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:33:23" (3/3) ... [2018-11-10 12:33:23,093 INFO L375 chiAutomizerObserver]: Analyzing ICFG list_and_tree_cnstr_false-unreach-call_false-termination.i [2018-11-10 12:33:23,139 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 12:33:23,140 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 12:33:23,140 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 12:33:23,140 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 12:33:23,140 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:33:23,140 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:33:23,140 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 12:33:23,140 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:33:23,140 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 12:33:23,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states. [2018-11-10 12:33:23,175 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 79 [2018-11-10 12:33:23,175 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 12:33:23,175 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 12:33:23,181 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-10 12:33:23,181 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:33:23,181 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 12:33:23,181 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states. [2018-11-10 12:33:23,187 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 79 [2018-11-10 12:33:23,187 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 12:33:23,187 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 12:33:23,187 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-10 12:33:23,188 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:33:23,195 INFO L793 eck$LassoCheckResult]: Stem: 83#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~nondet7, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem9.base, main_#t~mem9.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_#t~short6, main_#t~mem10.base, main_#t~mem10.offset, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~mem13.base, main_#t~mem13.offset, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem15.base, main_#t~mem15.offset, main_#t~nondet16, main_#t~malloc17.base, main_#t~malloc17.offset, main_#t~mem18.base, main_#t~mem18.offset, main_#t~mem19.base, main_#t~mem19.offset, main_#t~nondet3, main_#t~mem23.base, main_#t~mem23.offset, main_#t~mem24.base, main_#t~mem24.offset, main_#t~mem25.base, main_#t~mem25.offset, main_#t~mem20.base, main_#t~mem20.offset, main_#t~mem21.base, main_#t~mem21.offset, main_#t~short22, main_#t~mem26.base, main_#t~mem26.offset, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~malloc29.base, main_#t~malloc29.offset, main_#t~mem30.base, main_#t~mem30.offset, main_#t~nondet28, main_#t~malloc32.base, main_#t~malloc32.offset, main_#t~mem33.base, main_#t~mem33.offset, main_#t~nondet31, main_#t~mem35.base, main_#t~mem35.offset, main_#t~mem34, main_#t~mem37.base, main_#t~mem37.offset, main_#t~mem36, main_#t~mem38, main_~root~0.base, main_~root~0.offset, main_~n~0.base, main_~n~0.offset, main_~pred~0.base, main_~pred~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 8;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~root~0.base, main_~root~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;havoc main_~n~0.base, main_~n~0.offset; 81#L542true SUMMARY for call write~$Pointer$(0, 0, main_~root~0.base, main_~root~0.offset + 0, 4); srcloc: L542 85#L542-1true SUMMARY for call write~$Pointer$(0, 0, main_~root~0.base, main_~root~0.offset + 4, 4); srcloc: L542-1 44#L557-2true [2018-11-10 12:33:23,195 INFO L795 eck$LassoCheckResult]: Loop: 44#L557-2true assume true; 8#L544true assume !!(main_#t~nondet3 != 0);havoc main_#t~nondet3;main_~n~0.base, main_~n~0.offset := main_~root~0.base, main_~root~0.offset; 96#L547-2true assume !true; 21#L546-9true SUMMARY for call main_#t~mem10.base, main_#t~mem10.offset := read~$Pointer$(main_~n~0.base, main_~n~0.offset + 0, 4); srcloc: L546-9 15#L552true assume !((main_#t~mem10.base == 0 && main_#t~mem10.offset == 0) && main_#t~nondet11 != 0);havoc main_#t~mem10.base, main_#t~mem10.offset;havoc main_#t~nondet11; 19#L552-2true SUMMARY for call main_#t~mem15.base, main_#t~mem15.offset := read~$Pointer$(main_~n~0.base, main_~n~0.offset + 4, 4); srcloc: L552-2 40#L557true assume !((main_#t~mem15.base == 0 && main_#t~mem15.offset == 0) && main_#t~nondet16 != 0);havoc main_#t~mem15.base, main_#t~mem15.offset;havoc main_#t~nondet16; 44#L557-2true [2018-11-10 12:33:23,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:33:23,200 INFO L82 PathProgramCache]: Analyzing trace with hash 925540, now seen corresponding path program 1 times [2018-11-10 12:33:23,202 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:33:23,203 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:33:23,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:33:23,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:33:23,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:33:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:33:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:33:23,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:33:23,321 INFO L82 PathProgramCache]: Analyzing trace with hash 697684895, now seen corresponding path program 1 times [2018-11-10 12:33:23,322 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:33:23,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:33:23,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:33:23,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:33:23,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:33:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:33:23,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:33:23,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:33:23,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 12:33:23,357 INFO L810 eck$LassoCheckResult]: loop already infeasible [2018-11-10 12:33:23,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 12:33:23,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 12:33:23,370 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 2 states. [2018-11-10 12:33:23,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:33:23,380 INFO L93 Difference]: Finished difference Result 99 states and 114 transitions. [2018-11-10 12:33:23,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 12:33:23,382 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 114 transitions. [2018-11-10 12:33:23,384 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 79 [2018-11-10 12:33:23,389 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 89 states and 104 transitions. [2018-11-10 12:33:23,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2018-11-10 12:33:23,391 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 89 [2018-11-10 12:33:23,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 104 transitions. [2018-11-10 12:33:23,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 12:33:23,392 INFO L705 BuchiCegarLoop]: Abstraction has 89 states and 104 transitions. [2018-11-10 12:33:23,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 104 transitions. [2018-11-10 12:33:23,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-11-10 12:33:23,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-11-10 12:33:23,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 104 transitions. [2018-11-10 12:33:23,418 INFO L728 BuchiCegarLoop]: Abstraction has 89 states and 104 transitions. [2018-11-10 12:33:23,418 INFO L608 BuchiCegarLoop]: Abstraction has 89 states and 104 transitions. [2018-11-10 12:33:23,418 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 12:33:23,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 104 transitions. [2018-11-10 12:33:23,420 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 79 [2018-11-10 12:33:23,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 12:33:23,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 12:33:23,421 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-10 12:33:23,421 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:33:23,421 INFO L793 eck$LassoCheckResult]: Stem: 260#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 230#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~nondet7, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem9.base, main_#t~mem9.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_#t~short6, main_#t~mem10.base, main_#t~mem10.offset, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~mem13.base, main_#t~mem13.offset, main_#t~mem14.base, main_#t~mem14.offset, main_#t~mem15.base, main_#t~mem15.offset, main_#t~nondet16, main_#t~malloc17.base, main_#t~malloc17.offset, main_#t~mem18.base, main_#t~mem18.offset, main_#t~mem19.base, main_#t~mem19.offset, main_#t~nondet3, main_#t~mem23.base, main_#t~mem23.offset, main_#t~mem24.base, main_#t~mem24.offset, main_#t~mem25.base, main_#t~mem25.offset, main_#t~mem20.base, main_#t~mem20.offset, main_#t~mem21.base, main_#t~mem21.offset, main_#t~short22, main_#t~mem26.base, main_#t~mem26.offset, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~malloc29.base, main_#t~malloc29.offset, main_#t~mem30.base, main_#t~mem30.offset, main_#t~nondet28, main_#t~malloc32.base, main_#t~malloc32.offset, main_#t~mem33.base, main_#t~mem33.offset, main_#t~nondet31, main_#t~mem35.base, main_#t~mem35.offset, main_#t~mem34, main_#t~mem37.base, main_#t~mem37.offset, main_#t~mem36, main_#t~mem38, main_~root~0.base, main_~root~0.offset, main_~n~0.base, main_~n~0.offset, main_~pred~0.base, main_~pred~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 8;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~root~0.base, main_~root~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;havoc main_~n~0.base, main_~n~0.offset; 231#L542 SUMMARY for call write~$Pointer$(0, 0, main_~root~0.base, main_~root~0.offset + 0, 4); srcloc: L542 255#L542-1 SUMMARY for call write~$Pointer$(0, 0, main_~root~0.base, main_~root~0.offset + 4, 4); srcloc: L542-1 248#L557-2 [2018-11-10 12:33:23,421 INFO L795 eck$LassoCheckResult]: Loop: 248#L557-2 assume true; 225#L544 assume !!(main_#t~nondet3 != 0);havoc main_#t~nondet3;main_~n~0.base, main_~n~0.offset := main_~root~0.base, main_~root~0.offset; 213#L547-2 assume true; 274#L546-1 SUMMARY for call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~n~0.base, main_~n~0.offset + 0, 4); srcloc: L546-1 275#L546-2 main_#t~short6 := main_#t~mem4.base != 0 || main_#t~mem4.offset != 0; 277#L546-3 assume !main_#t~short6; 262#L546-7 assume !main_#t~short6;havoc main_#t~mem4.base, main_#t~mem4.offset;havoc main_#t~short6;havoc main_#t~mem5.base, main_#t~mem5.offset; 246#L546-9 SUMMARY for call main_#t~mem10.base, main_#t~mem10.offset := read~$Pointer$(main_~n~0.base, main_~n~0.offset + 0, 4); srcloc: L546-9 237#L552 assume !((main_#t~mem10.base == 0 && main_#t~mem10.offset == 0) && main_#t~nondet11 != 0);havoc main_#t~mem10.base, main_#t~mem10.offset;havoc main_#t~nondet11; 239#L552-2 SUMMARY for call main_#t~mem15.base, main_#t~mem15.offset := read~$Pointer$(main_~n~0.base, main_~n~0.offset + 4, 4); srcloc: L552-2 241#L557 assume !((main_#t~mem15.base == 0 && main_#t~mem15.offset == 0) && main_#t~nondet16 != 0);havoc main_#t~mem15.base, main_#t~mem15.offset;havoc main_#t~nondet16; 248#L557-2 [2018-11-10 12:33:23,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:33:23,422 INFO L82 PathProgramCache]: Analyzing trace with hash 925540, now seen corresponding path program 2 times [2018-11-10 12:33:23,422 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:33:23,423 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:33:23,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:33:23,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:33:23,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:33:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:33:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:33:23,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:33:23,450 INFO L82 PathProgramCache]: Analyzing trace with hash 499577672, now seen corresponding path program 1 times [2018-11-10 12:33:23,450 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:33:23,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:33:23,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:33:23,451 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 12:33:23,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:33:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:33:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:33:23,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:33:23,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1515034619, now seen corresponding path program 1 times [2018-11-10 12:33:23,471 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:33:23,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:33:23,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:33:23,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:33:23,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:33:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:33:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:33:23,649 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2018-11-10 12:33:23,858 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2018-11-10 12:33:23,938 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:33:23,942 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:33:23,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 12:33:23 BoogieIcfgContainer [2018-11-10 12:33:23,953 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 12:33:23,953 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:33:23,953 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:33:23,953 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:33:23,954 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:33:23" (3/4) ... [2018-11-10 12:33:23,957 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-10 12:33:23,989 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_45e73903-c852-4d1b-9cc7-ccaab05060ce/bin-2019/uautomizer/witness.graphml [2018-11-10 12:33:23,989 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:33:23,990 INFO L168 Benchmark]: Toolchain (without parser) took 1949.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 957.5 MB in the beginning and 975.7 MB in the end (delta: -18.2 MB). Peak memory consumption was 104.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:33:23,991 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:33:23,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.01 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 930.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:33:23,992 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 930.7 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:33:23,993 INFO L168 Benchmark]: Boogie Preprocessor took 41.60 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. [2018-11-10 12:33:23,993 INFO L168 Benchmark]: RCFGBuilder took 546.20 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: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:33:23,994 INFO L168 Benchmark]: BuchiAutomizer took 866.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.7 MB in the end (delta: 89.9 MB). Peak memory consumption was 89.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:33:23,994 INFO L168 Benchmark]: Witness Printer took 36.33 ms. Allocated memory is still 1.2 GB. Free memory is still 975.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:33:23,997 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.01 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 930.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 930.7 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.60 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 546.20 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: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 866.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.7 MB in the end (delta: 89.9 MB). Peak memory consumption was 89.9 MB. Max. memory is 11.5 GB. * Witness Printer took 36.33 ms. Allocated memory is still 1.2 GB. Free memory is still 975.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 2 locations. The remainder module has 89 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. 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 89 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 114 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: 544]: Nontermination argument in form of an infinite program execution. [2018-11-10 12:33:24,006 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:33:24,007 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:33:24,010 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:33:24,012 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@6c0e56c4=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@7403b892=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@27a7103f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@2383f763=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@4d728fd3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@3c11348=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@472d9335=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@92102aa=0, root=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@1d6f93d3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@6c0e56c4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38ed40c=0, NULL=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79429a07=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36b1eb7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50b13a4d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@3d45dad8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@47b2a6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@1d6f93d3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79429a07=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36b1eb7=0, a=0, pred=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@2e7395a8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@92102aa=0, p=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@3c5c7c78=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@41b8cd92=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@27a7103f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4249202b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@2c5162d4=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@4d728fd3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@67786525=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@2e7395a8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@3c11348=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@47b2a6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@58ad34f5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71fcfab4=0, n=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45064db5=16, a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12d0f341=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@42e5b9d=0, t=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@164f26b3=0, p=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@41b8cd92=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@3c5c7c78=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@72cf1607=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@2383f763=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@472d9335=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26e2a624=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@67786525=0, t=0, root=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@62b29179=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@3d3be19f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@58ad34f5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26e2a624=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@72cf1607=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@533926fb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@4b7beaf9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@12a7f033=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@2ef1f737=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@164f26b3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8c4025c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@7403b892=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4249202b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@2c5162d4=0, pred=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@533926fb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@3d3be19f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8c4025c=0, NULL=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f5893e7=0, n=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@3d45dad8=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 543]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L541] EXPR, FCALL malloc(sizeof(*root)) [L541] struct TreeNode* root = malloc(sizeof(*root)), *n; [L542] FCALL root->left = ((void *)0) [L543] FCALL root->right = ((void *)0) Loop: [L544] COND TRUE __VERIFIER_nondet_int() [L545] n = root [L546] EXPR, FCALL n->left [L546] n->left && n->right [L546] COND FALSE !(n->left && n->right) [L552] EXPR, FCALL n->left [L552] COND FALSE !(!n->left && __VERIFIER_nondet_int()) [L557] EXPR, FCALL n->right [L557] COND FALSE !(!n->right && __VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...