./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.05-alloca_true-termination_true-no-overflow.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5191314f-1387-43ad-b8f3-3cfce9705079/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5191314f-1387-43ad-b8f3-3cfce9705079/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5191314f-1387-43ad-b8f3-3cfce9705079/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5191314f-1387-43ad-b8f3-3cfce9705079/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.05-alloca_true-termination_true-no-overflow.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5191314f-1387-43ad-b8f3-3cfce9705079/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5191314f-1387-43ad-b8f3-3cfce9705079/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5313d851fadec6c1d632e24c5024506d6d98176e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:23:05,652 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:23:05,653 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:23:05,659 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:23:05,660 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:23:05,660 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:23:05,661 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:23:05,662 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:23:05,663 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:23:05,664 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:23:05,665 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:23:05,665 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:23:05,665 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:23:05,666 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:23:05,667 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:23:05,667 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:23:05,668 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:23:05,669 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:23:05,670 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:23:05,671 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:23:05,672 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:23:05,673 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:23:05,674 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:23:05,674 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:23:05,674 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:23:05,675 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:23:05,675 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:23:05,676 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:23:05,676 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:23:05,676 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:23:05,677 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:23:05,677 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:23:05,677 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:23:05,677 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:23:05,677 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:23:05,678 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:23:05,678 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5191314f-1387-43ad-b8f3-3cfce9705079/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 11:23:05,689 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:23:05,689 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:23:05,690 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:23:05,690 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:23:05,690 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:23:05,690 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:23:05,690 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:23:05,691 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:23:05,691 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:23:05,691 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:23:05,691 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:23:05,691 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:23:05,691 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:23:05,691 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:23:05,691 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:23:05,692 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:23:05,692 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:23:05,692 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:23:05,692 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:23:05,692 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:23:05,692 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:23:05,692 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:23:05,693 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:23:05,693 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:23:05,693 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:23:05,693 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:23:05,693 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:23:05,693 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:23:05,694 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:23:05,694 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_5191314f-1387-43ad-b8f3-3cfce9705079/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5313d851fadec6c1d632e24c5024506d6d98176e [2018-11-28 11:23:05,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:23:05,726 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:23:05,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:23:05,729 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:23:05,729 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:23:05,730 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5191314f-1387-43ad-b8f3-3cfce9705079/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/a.05-alloca_true-termination_true-no-overflow.c.i [2018-11-28 11:23:05,766 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5191314f-1387-43ad-b8f3-3cfce9705079/bin-2019/uautomizer/data/dba124810/983e066ed7f8481c8ebe9d8ac53e2eb2/FLAG4bf44a98b [2018-11-28 11:23:06,194 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:23:06,194 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5191314f-1387-43ad-b8f3-3cfce9705079/sv-benchmarks/c/termination-memory-alloca/a.05-alloca_true-termination_true-no-overflow.c.i [2018-11-28 11:23:06,203 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5191314f-1387-43ad-b8f3-3cfce9705079/bin-2019/uautomizer/data/dba124810/983e066ed7f8481c8ebe9d8ac53e2eb2/FLAG4bf44a98b [2018-11-28 11:23:06,213 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5191314f-1387-43ad-b8f3-3cfce9705079/bin-2019/uautomizer/data/dba124810/983e066ed7f8481c8ebe9d8ac53e2eb2 [2018-11-28 11:23:06,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:23:06,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:23:06,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:23:06,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:23:06,218 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:23:06,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:23:06" (1/1) ... [2018-11-28 11:23:06,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569d5738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:06, skipping insertion in model container [2018-11-28 11:23:06,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:23:06" (1/1) ... [2018-11-28 11:23:06,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:23:06,248 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:23:06,423 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:23:06,430 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:23:06,501 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:23:06,524 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:23:06,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:06 WrapperNode [2018-11-28 11:23:06,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:23:06,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:23:06,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:23:06,525 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:23:06,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:06" (1/1) ... [2018-11-28 11:23:06,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:06" (1/1) ... [2018-11-28 11:23:06,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:23:06,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:23:06,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:23:06,555 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:23:06,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:06" (1/1) ... [2018-11-28 11:23:06,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:06" (1/1) ... [2018-11-28 11:23:06,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:06" (1/1) ... [2018-11-28 11:23:06,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:06" (1/1) ... [2018-11-28 11:23:06,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:06" (1/1) ... [2018-11-28 11:23:06,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:06" (1/1) ... [2018-11-28 11:23:06,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:06" (1/1) ... [2018-11-28 11:23:06,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:23:06,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:23:06,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:23:06,569 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:23:06,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5191314f-1387-43ad-b8f3-3cfce9705079/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 [2018-11-28 11:23:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:23:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 11:23:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 11:23:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:23:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:23:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:23:06,773 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:23:06,773 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 11:23:06,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:23:06 BoogieIcfgContainer [2018-11-28 11:23:06,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:23:06,774 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:23:06,774 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:23:06,776 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:23:06,777 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:23:06,777 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:23:06" (1/3) ... [2018-11-28 11:23:06,777 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@501a9dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:23:06, skipping insertion in model container [2018-11-28 11:23:06,778 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:23:06,778 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:06" (2/3) ... [2018-11-28 11:23:06,778 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@501a9dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:23:06, skipping insertion in model container [2018-11-28 11:23:06,778 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:23:06,778 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:23:06" (3/3) ... [2018-11-28 11:23:06,779 INFO L375 chiAutomizerObserver]: Analyzing ICFG a.05-alloca_true-termination_true-no-overflow.c.i [2018-11-28 11:23:06,817 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:23:06,817 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:23:06,817 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:23:06,818 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:23:06,818 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:23:06,818 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:23:06,818 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:23:06,818 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:23:06,818 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:23:06,829 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-11-28 11:23:06,842 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 11:23:06,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:23:06,843 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:23:06,848 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 11:23:06,849 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 11:23:06,849 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:23:06,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-11-28 11:23:06,850 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 11:23:06,850 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:23:06,850 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:23:06,850 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 11:23:06,850 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 11:23:06,857 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~ret13;test_fun_#in~x, test_fun_#in~y := main_#t~nondet11, main_#t~nondet12;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem9, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem10, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.alloc(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.alloc(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.alloc(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 9#L555-5true [2018-11-28 11:23:06,857 INFO L796 eck$LassoCheckResult]: Loop: 9#L555-5true call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 < 2147483647; 12#L555-1true assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 >= 1 + test_fun_#t~mem6; 6#L555-3true assume !!test_fun_#t~short8;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;havoc test_fun_#t~mem7;havoc test_fun_#t~short8;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem9, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem9; 9#L555-5true [2018-11-28 11:23:06,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:06,862 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-28 11:23:06,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:06,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:06,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:06,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:06,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:06,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:06,961 INFO L82 PathProgramCache]: Analyzing trace with hash 36846, now seen corresponding path program 1 times [2018-11-28 11:23:06,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:06,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:06,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:06,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:06,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:06,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:06,979 INFO L82 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2018-11-28 11:23:06,979 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:23:06,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:23:06,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:06,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:23:06,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:23:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:23:07,141 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2018-11-28 11:23:07,417 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2018-11-28 11:23:07,498 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:23:07,498 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:23:07,499 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:23:07,499 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:23:07,499 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:23:07,499 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:23:07,499 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:23:07,499 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:23:07,499 INFO L131 ssoRankerPreferences]: Filename of dumped script: a.05-alloca_true-termination_true-no-overflow.c.i_Iteration1_Lasso [2018-11-28 11:23:07,499 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:23:07,500 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:23:07,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:07,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:07,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:07,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:07,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:07,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:07,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:07,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:07,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:07,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:07,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:07,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:07,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:07,769 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2018-11-28 11:23:07,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:07,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:23:08,085 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:23:08,090 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:23:08,092 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:08,093 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:08,093 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:08,094 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:08,094 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:08,094 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:08,096 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:23:08,096 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:08,098 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:08,099 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:08,099 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:08,099 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:08,099 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:08,100 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:08,100 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:08,100 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:23:08,100 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:08,101 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:08,101 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:08,102 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:08,102 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:08,102 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:08,102 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:08,102 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:08,103 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:23:08,103 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:08,104 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:08,104 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:08,105 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:08,105 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:08,105 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:08,105 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:08,105 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:08,106 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:23:08,106 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:08,107 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:08,107 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:08,107 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:08,108 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:08,108 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:08,108 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:08,110 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:23:08,110 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:23:08,112 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:08,113 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:08,113 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:08,113 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:08,113 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:08,113 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:08,113 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:08,114 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:23:08,114 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:08,114 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:08,115 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:08,115 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:08,115 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:08,115 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:08,115 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:08,117 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:23:08,117 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:23:08,121 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:08,122 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:08,122 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:08,122 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:08,123 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:08,123 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:08,123 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:08,123 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:23:08,124 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:08,124 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:08,125 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:08,125 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:08,126 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:08,126 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:08,126 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:08,127 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:23:08,127 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:23:08,130 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:08,130 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:08,131 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:08,131 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:08,131 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:08,131 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:08,131 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:08,132 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:23:08,132 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:08,133 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:08,133 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:08,133 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:08,133 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:08,134 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:08,134 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:08,135 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:23:08,135 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:23:08,137 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:08,138 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:08,138 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:08,138 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:23:08,139 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:08,139 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:08,139 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:08,139 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:23:08,139 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:23:08,140 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:23:08,140 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:23:08,141 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:23:08,141 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:23:08,141 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:23:08,141 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:23:08,145 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:23:08,145 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:23:08,172 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 11:23:08,184 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 11:23:08,184 INFO L444 ModelExtractionUtils]: 25 out of 28 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 11:23:08,189 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 11:23:08,190 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 11:23:08,191 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 11:23:08,191 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 4294967293 Supporting invariants [] [2018-11-28 11:23:08,238 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2018-11-28 11:23:08,243 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:23:08,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:23:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:23:08,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:23:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:23:08,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:23:08,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:23:08,338 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-28 11:23:08,339 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2018-11-28 11:23:08,410 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 35 states and 38 transitions. Complement of second has 9 states. [2018-11-28 11:23:08,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2018-11-28 11:23:08,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 11:23:08,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2018-11-28 11:23:08,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 2 letters. Loop has 3 letters. [2018-11-28 11:23:08,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:23:08,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-28 11:23:08,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:23:08,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 2 letters. Loop has 6 letters. [2018-11-28 11:23:08,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:23:08,417 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 38 transitions. [2018-11-28 11:23:08,418 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:23:08,421 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2018-11-28 11:23:08,422 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 11:23:08,422 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 11:23:08,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 11:23:08,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:23:08,423 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:23:08,423 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:23:08,423 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:23:08,423 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:23:08,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:23:08,424 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:23:08,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 11:23:08,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:23:08 BoogieIcfgContainer [2018-11-28 11:23:08,429 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:23:08,430 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:23:08,430 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:23:08,430 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:23:08,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:23:06" (3/4) ... [2018-11-28 11:23:08,435 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:23:08,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:23:08,435 INFO L168 Benchmark]: Toolchain (without parser) took 2220.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 951.3 MB in the beginning and 819.8 MB in the end (delta: 131.5 MB). Peak memory consumption was 279.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:08,436 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:23:08,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -180.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:08,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.86 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. [2018-11-28 11:23:08,437 INFO L168 Benchmark]: Boogie Preprocessor took 13.89 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. [2018-11-28 11:23:08,438 INFO L168 Benchmark]: RCFGBuilder took 204.20 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:08,438 INFO L168 Benchmark]: BuchiAutomizer took 1655.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 819.8 MB in the end (delta: 293.9 MB). Peak memory consumption was 293.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:23:08,439 INFO L168 Benchmark]: Witness Printer took 5.16 ms. Allocated memory is still 1.2 GB. Free memory is still 819.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:23:08,441 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 309.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -180.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.86 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. * Boogie Preprocessor took 13.89 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 204.20 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1655.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 819.8 MB in the end (delta: 293.9 MB). Peak memory consumption was 293.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.16 ms. Allocated memory is still 1.2 GB. Free memory is still 819.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[y_ref][y_ref] + 4294967293 and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 16 SDslu, 7 SDs, 0 SdLazy, 13 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital259 mio100 ax106 hnf100 lsp91 ukn62 mio100 lsp36 div100 bol100 ite100 ukn100 eq198 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 5ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...