./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex4_true-termination.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_fb892501-20fa-48cd-938d-e8eebe5cbf5e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fb892501-20fa-48cd-938d-e8eebe5cbf5e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fb892501-20fa-48cd-938d-e8eebe5cbf5e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fb892501-20fa-48cd-938d-e8eebe5cbf5e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex4_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fb892501-20fa-48cd-938d-e8eebe5cbf5e/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fb892501-20fa-48cd-938d-e8eebe5cbf5e/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 531407ed3b7c40d8a6107454133dd490b91ef528 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:20:07,794 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:20:07,796 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:20:07,805 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:20:07,806 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:20:07,807 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:20:07,808 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:20:07,809 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:20:07,810 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:20:07,811 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:20:07,812 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:20:07,812 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:20:07,813 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:20:07,814 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:20:07,815 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:20:07,815 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:20:07,816 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:20:07,817 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:20:07,819 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:20:07,820 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:20:07,821 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:20:07,822 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:20:07,824 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:20:07,824 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:20:07,824 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:20:07,825 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:20:07,826 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:20:07,826 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:20:07,827 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:20:07,828 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:20:07,828 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:20:07,829 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:20:07,829 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:20:07,829 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:20:07,830 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:20:07,830 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:20:07,831 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fb892501-20fa-48cd-938d-e8eebe5cbf5e/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 11:20:07,843 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:20:07,843 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:20:07,844 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:20:07,844 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:20:07,844 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:20:07,845 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:20:07,845 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:20:07,845 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:20:07,845 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:20:07,845 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:20:07,845 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:20:07,846 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:20:07,846 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:20:07,846 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:20:07,846 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:20:07,846 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:20:07,846 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:20:07,847 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:20:07,847 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:20:07,847 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:20:07,847 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:20:07,847 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:20:07,847 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:20:07,848 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:20:07,848 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:20:07,848 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:20:07,848 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:20:07,848 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:20:07,849 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:20:07,849 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_fb892501-20fa-48cd-938d-e8eebe5cbf5e/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 -> 531407ed3b7c40d8a6107454133dd490b91ef528 [2018-11-28 11:20:07,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:20:07,884 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:20:07,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:20:07,887 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:20:07,887 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:20:07,888 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fb892501-20fa-48cd-938d-e8eebe5cbf5e/bin-2019/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex4_true-termination.c.i [2018-11-28 11:20:07,931 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb892501-20fa-48cd-938d-e8eebe5cbf5e/bin-2019/uautomizer/data/382dac9d5/e0adfa258d08435e9feefaa8278667b2/FLAG4911d25f7 [2018-11-28 11:20:08,270 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:20:08,271 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fb892501-20fa-48cd-938d-e8eebe5cbf5e/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex4_true-termination.c.i [2018-11-28 11:20:08,276 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb892501-20fa-48cd-938d-e8eebe5cbf5e/bin-2019/uautomizer/data/382dac9d5/e0adfa258d08435e9feefaa8278667b2/FLAG4911d25f7 [2018-11-28 11:20:08,695 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fb892501-20fa-48cd-938d-e8eebe5cbf5e/bin-2019/uautomizer/data/382dac9d5/e0adfa258d08435e9feefaa8278667b2 [2018-11-28 11:20:08,698 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:20:08,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:20:08,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:20:08,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:20:08,703 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:20:08,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:20:08" (1/1) ... [2018-11-28 11:20:08,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7130717e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:08, skipping insertion in model container [2018-11-28 11:20:08,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:20:08" (1/1) ... [2018-11-28 11:20:08,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:20:08,725 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:20:08,846 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:20:08,857 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:20:08,869 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:20:08,883 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:20:08,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:08 WrapperNode [2018-11-28 11:20:08,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:20:08,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:20:08,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:20:08,884 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:20:08,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:08" (1/1) ... [2018-11-28 11:20:08,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:08" (1/1) ... [2018-11-28 11:20:08,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:20:08,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:20:08,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:20:08,915 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:20:08,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:08" (1/1) ... [2018-11-28 11:20:08,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:08" (1/1) ... [2018-11-28 11:20:08,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:08" (1/1) ... [2018-11-28 11:20:08,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:08" (1/1) ... [2018-11-28 11:20:08,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:08" (1/1) ... [2018-11-28 11:20:08,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:08" (1/1) ... [2018-11-28 11:20:08,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:08" (1/1) ... [2018-11-28 11:20:08,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:20:08,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:20:08,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:20:08,931 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:20:08,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb892501-20fa-48cd-938d-e8eebe5cbf5e/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 11:20:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 11:20:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:20:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 11:20:09,032 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 11:20:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 11:20:09,032 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 11:20:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:20:09,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:20:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 11:20:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:20:09,192 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:20:09,193 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-28 11:20:09,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:20:09 BoogieIcfgContainer [2018-11-28 11:20:09,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:20:09,194 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:20:09,194 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:20:09,198 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:20:09,199 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:20:09,199 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:20:08" (1/3) ... [2018-11-28 11:20:09,201 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@764394a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:20:09, skipping insertion in model container [2018-11-28 11:20:09,201 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:20:09,201 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:08" (2/3) ... [2018-11-28 11:20:09,201 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@764394a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:20:09, skipping insertion in model container [2018-11-28 11:20:09,201 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:20:09,201 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:20:09" (3/3) ... [2018-11-28 11:20:09,203 INFO L375 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex4_true-termination.c.i [2018-11-28 11:20:09,263 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:20:09,263 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:20:09,263 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:20:09,264 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:20:09,264 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:20:09,264 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:20:09,264 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:20:09,264 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:20:09,264 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:20:09,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-11-28 11:20:09,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-28 11:20:09,309 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:20:09,309 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:20:09,318 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-28 11:20:09,318 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:20:09,318 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:20:09,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-11-28 11:20:09,320 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-28 11:20:09,320 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:20:09,320 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:20:09,321 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-28 11:20:09,321 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:20:09,329 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 10#L-1true havoc main_#res;havoc main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet11, main_#t~nondet12, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.alloc(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.alloc(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call write~int(main_#t~nondet11, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet11;call write~int(main_#t~nondet12, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet12; 6#L50true call f(main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset);< 13#fENTRYtrue [2018-11-28 11:20:09,330 INFO L796 eck$LassoCheckResult]: Loop: 13#fENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4);call #t~mem2 := read~int(~q.base, ~q.offset, 4); 15#L13true assume !(#t~mem1 + #t~mem2 < 0);havoc #t~mem2;havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.alloc(4);~np~0.base, ~np~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);call write~int(#t~mem4 - 1, ~np~0.base, ~np~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~p.base, ~p.offset); 18#L23true call g(~q.base, ~q.offset, ~np~0.base, ~np~0.offset);< 12#gENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4);call #t~mem6 := read~int(~q.base, ~q.offset, 4); 7#L31true assume !(#t~mem5 + #t~mem6 < 0);havoc #t~mem6;havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~post8;havoc #t~mem7; 16#L36true call f(~p.base, ~p.offset, ~q.base, ~q.offset);< 13#fENTRYtrue [2018-11-28 11:20:09,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:20:09,337 INFO L82 PathProgramCache]: Analyzing trace with hash 43766, now seen corresponding path program 1 times [2018-11-28 11:20:09,339 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:20:09,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:20:09,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:09,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:20:09,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:20:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:20:09,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:20:09,482 INFO L82 PathProgramCache]: Analyzing trace with hash 891830467, now seen corresponding path program 1 times [2018-11-28 11:20:09,482 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:20:09,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:20:09,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:09,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:20:09,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:20:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:20:09,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:20:09,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1193795592, now seen corresponding path program 1 times [2018-11-28 11:20:09,541 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:20:09,541 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:20:09,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:09,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:20:09,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:20:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:20:10,170 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2018-11-28 11:20:10,619 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 106 [2018-11-28 11:20:10,826 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2018-11-28 11:20:11,015 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:20:11,016 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:20:11,017 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:20:11,017 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:20:11,017 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:20:11,017 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:20:11,017 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:20:11,018 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:20:11,018 INFO L131 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex4_true-termination.c.i_Iteration1_Lasso [2018-11-28 11:20:11,018 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:20:11,018 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:20:11,041 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 11:20:11,046 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 11:20:11,047 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 11:20:11,048 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 11:20:11,050 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 11:20:11,051 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 11:20:11,052 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 11:20:11,053 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 11:20:11,054 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 11:20:11,055 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 11:20:11,057 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 11:20:11,061 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 11:20:11,062 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 11:20:11,063 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 11:20:11,064 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 11:20:11,065 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 11:20:11,066 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 11:20:11,067 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 11:20:11,212 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 11:20:11,214 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 11:20:11,217 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 11:20:11,219 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 11:20:11,220 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 11:20:11,222 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 11:20:11,224 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 11:20:11,227 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 11:20:11,228 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 11:20:11,230 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 11:20:11,231 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 11:20:11,232 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 11:20:11,233 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 11:20:11,235 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 11:20:11,236 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 11:20:11,237 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 11:20:11,239 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 11:20:11,240 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 11:20:11,241 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 11:20:11,243 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 11:20:11,244 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 11:20:11,246 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 11:20:11,579 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:20:11,583 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:20:11,585 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 11:20:11,586 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:20:11,586 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:20:11,587 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:20:11,587 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:20:11,587 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:20:11,588 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:20:11,588 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:20:11,591 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:20:11,591 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 11:20:11,592 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:20:11,592 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:20:11,592 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:20:11,592 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:20:11,592 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:20:11,593 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:20:11,593 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:20:11,593 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:20:11,594 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 11:20:11,594 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:20:11,594 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:20:11,594 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:20:11,594 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:20:11,595 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:20:11,595 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:20:11,595 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:20:11,596 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:20:11,596 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 11:20:11,596 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:20:11,597 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:20:11,598 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:20:11,598 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:20:11,598 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:20:11,599 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:20:11,599 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:20:11,599 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:20:11,600 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 11:20:11,600 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:20:11,600 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:20:11,601 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:20:11,601 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:20:11,601 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:20:11,601 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:20:11,601 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:20:11,602 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:20:11,602 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 11:20:11,602 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:20:11,603 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:20:11,603 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:20:11,603 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:20:11,603 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:20:11,603 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:20:11,603 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:20:11,604 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:20:11,604 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 11:20:11,604 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:20:11,606 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:20:11,606 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:20:11,606 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:20:11,606 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:20:11,607 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:20:11,607 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:20:11,609 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:20:11,609 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 11:20:11,610 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:20:11,610 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:20:11,610 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:20:11,610 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:20:11,610 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:20:11,611 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:20:11,611 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:20:11,611 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:20:11,612 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 11:20:11,612 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:20:11,612 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:20:11,612 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:20:11,612 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:20:11,613 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:20:11,613 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:20:11,613 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:20:11,613 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:20:11,614 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 11:20:11,614 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:20:11,614 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:20:11,614 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:20:11,614 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:20:11,615 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:20:11,615 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:20:11,615 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:20:11,615 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:20:11,616 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 11:20:11,616 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:20:11,616 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:20:11,616 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:20:11,616 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:20:11,622 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:20:11,622 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:20:11,625 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:20:11,625 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 11:20:11,625 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:20:11,626 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:20:11,626 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:20:11,626 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:20:11,626 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:20:11,626 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:20:11,626 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:20:11,627 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:20:11,628 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 11:20:11,628 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:20:11,628 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:20:11,628 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:20:11,628 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:20:11,628 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:20:11,629 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:20:11,629 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:20:11,630 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:20:11,630 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 11:20:11,630 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:20:11,630 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:20:11,631 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:20:11,631 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:20:11,631 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:20:11,631 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:20:11,631 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:20:11,632 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:20:11,632 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 11:20:11,632 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:20:11,632 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:20:11,633 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:20:11,633 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:20:11,633 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:20:11,633 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:20:11,633 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:20:11,634 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:20:11,634 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 11:20:11,634 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:20:11,634 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:20:11,635 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:20:11,635 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:20:11,635 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:20:11,635 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:20:11,635 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:20:11,636 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:20:11,636 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 11:20:11,637 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:20:11,637 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:20:11,637 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:20:11,637 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:20:11,637 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:20:11,637 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:20:11,637 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:20:11,638 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:20:11,638 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 11:20:11,639 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:20:11,639 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:20:11,639 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:20:11,639 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:20:11,642 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:20:11,642 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:20:11,671 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 11:20:11,690 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2018-11-28 11:20:11,690 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-11-28 11:20:11,692 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 11:20:11,694 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 11:20:11,694 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 11:20:11,694 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int f_#in~p.base) f_#in~p.offset)_1, v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1) = 1*v_rep(select (select #memory_int f_#in~p.base) f_#in~p.offset)_1 + 1*v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1 Supporting invariants [] [2018-11-28 11:20:11,706 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2018-11-28 11:20:11,713 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:20:11,714 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:20:11,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:20:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:20:11,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:20:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:20:11,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:20:11,805 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:20:11,806 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:20:11,810 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-28 11:20:11,811 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:20:11,854 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 56 [2018-11-28 11:20:11,858 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 48 [2018-11-28 11:20:11,859 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 11:20:11,885 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:20:11,891 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 48 [2018-11-28 11:20:11,893 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-28 11:20:11,910 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 11:20:11,924 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-28 11:20:11,924 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:54, output treesize:78 [2018-11-28 11:20:11,993 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:20:11,995 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 51 [2018-11-28 11:20:11,998 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:20:11,999 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 36 [2018-11-28 11:20:12,000 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:20:12,004 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:20:12,010 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:20:12,010 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:50, output treesize:33 [2018-11-28 11:20:12,021 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 11:20:12,030 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2018-11-28 11:20:12,031 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 7 states. [2018-11-28 11:20:12,157 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 7 states. Result 46 states and 52 transitions. Complement of second has 22 states. [2018-11-28 11:20:12,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2018-11-28 11:20:12,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-28 11:20:12,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. [2018-11-28 11:20:12,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 6 letters. [2018-11-28 11:20:12,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:20:12,161 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 9 letters. Loop has 6 letters. [2018-11-28 11:20:12,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:20:12,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 12 letters. [2018-11-28 11:20:12,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:20:12,162 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 52 transitions. [2018-11-28 11:20:12,165 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:20:12,167 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 0 states and 0 transitions. [2018-11-28 11:20:12,168 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 11:20:12,168 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 11:20:12,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 11:20:12,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:20:12,168 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:20:12,168 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:20:12,168 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:20:12,169 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:20:12,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:20:12,169 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:20:12,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 11:20:12,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:20:12 BoogieIcfgContainer [2018-11-28 11:20:12,173 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:20:12,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:20:12,174 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:20:12,174 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:20:12,174 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:20:09" (3/4) ... [2018-11-28 11:20:12,176 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:20:12,176 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:20:12,177 INFO L168 Benchmark]: Toolchain (without parser) took 3478.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.2 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -74.7 MB). Peak memory consumption was 135.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:20:12,177 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:20:12,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.24 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:20:12,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.04 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:20:12,178 INFO L168 Benchmark]: Boogie Preprocessor took 15.74 ms. Allocated memory is still 1.0 GB. Free memory is still 939.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:20:12,179 INFO L168 Benchmark]: RCFGBuilder took 262.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:20:12,179 INFO L168 Benchmark]: BuchiAutomizer took 2979.55 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.9 MB). Peak memory consumption was 162.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:20:12,179 INFO L168 Benchmark]: Witness Printer took 2.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:20:12,181 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.24 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.04 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.74 ms. Allocated memory is still 1.0 GB. Free memory is still 939.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 262.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2979.55 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.9 MB). Peak memory consumption was 162.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. 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 - 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 unknown-#memory_int-unknown[p][p] + unknown-#memory_int-unknown[q][q] and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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: 11 SDtfs, 10 SDslu, 22 SDs, 0 SdLazy, 76 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital287 mio100 ax100 hnf100 lsp97 ukn51 mio100 lsp40 div100 bol100 ite100 ukn100 eq161 hnf90 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms 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...