./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/mult_array-alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/mult_array-alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/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 23c47ba60fd5b5d47afa1439cbedebaab58a1798 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:07:32,925 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:07:32,927 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:07:32,941 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:07:32,941 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:07:32,942 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:07:32,943 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:07:32,947 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:07:32,953 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:07:32,954 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:07:32,955 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:07:32,955 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:07:32,956 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:07:32,957 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:07:32,958 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:07:32,959 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:07:32,959 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:07:32,961 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:07:32,963 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:07:32,965 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:07:32,966 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:07:32,967 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:07:32,969 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:07:32,969 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:07:32,969 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:07:32,970 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:07:32,971 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:07:32,972 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:07:32,973 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:07:32,974 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:07:32,974 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:07:32,975 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:07:32,975 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:07:32,975 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:07:32,976 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:07:32,977 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:07:32,978 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-10-27 06:07:32,990 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:07:32,990 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:07:33,005 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:07:33,005 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:07:33,006 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:07:33,006 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:07:33,006 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:07:33,006 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:07:33,006 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:07:33,006 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:07:33,007 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:07:33,007 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:07:33,007 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:07:33,007 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:07:33,007 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:07:33,007 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:07:33,008 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:07:33,008 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:07:33,008 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:07:33,008 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:07:33,010 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:07:33,010 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:07:33,010 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:07:33,010 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:07:33,011 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:07:33,011 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:07:33,011 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:07:33,012 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:07:33,012 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_3043963f-5ff2-43f8-bfa1-b39de9962ca4/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 -> 23c47ba60fd5b5d47afa1439cbedebaab58a1798 [2018-10-27 06:07:33,054 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:07:33,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:07:33,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:07:33,080 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:07:33,081 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:07:33,083 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/mult_array-alloca_true-termination.c.i [2018-10-27 06:07:33,136 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/bin-2019/uautomizer/data/bbf4732c3/cd7f5dc402b44ff08bc27a77dd9b4760/FLAG34d7bf64d [2018-10-27 06:07:33,546 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:07:33,546 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/sv-benchmarks/c/termination-memory-alloca/mult_array-alloca_true-termination.c.i [2018-10-27 06:07:33,558 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/bin-2019/uautomizer/data/bbf4732c3/cd7f5dc402b44ff08bc27a77dd9b4760/FLAG34d7bf64d [2018-10-27 06:07:33,571 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/bin-2019/uautomizer/data/bbf4732c3/cd7f5dc402b44ff08bc27a77dd9b4760 [2018-10-27 06:07:33,574 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:07:33,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:07:33,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:07:33,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:07:33,581 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:07:33,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:07:33" (1/1) ... [2018-10-27 06:07:33,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@89c8a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:07:33, skipping insertion in model container [2018-10-27 06:07:33,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:07:33" (1/1) ... [2018-10-27 06:07:33,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:07:33,633 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:07:33,894 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:07:33,904 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:07:33,980 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:07:34,028 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:07:34,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:07:34 WrapperNode [2018-10-27 06:07:34,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:07:34,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:07:34,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:07:34,033 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:07:34,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:07:34" (1/1) ... [2018-10-27 06:07:34,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:07:34" (1/1) ... [2018-10-27 06:07:34,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:07:34,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:07:34,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:07:34,186 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:07:34,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:07:34" (1/1) ... [2018-10-27 06:07:34,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:07:34" (1/1) ... [2018-10-27 06:07:34,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:07:34" (1/1) ... [2018-10-27 06:07:34,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:07:34" (1/1) ... [2018-10-27 06:07:34,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:07:34" (1/1) ... [2018-10-27 06:07:34,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:07:34" (1/1) ... [2018-10-27 06:07:34,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:07:34" (1/1) ... [2018-10-27 06:07:34,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:07:34,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:07:34,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:07:34,239 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:07:34,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:07:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/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 [2018-10-27 06:07:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-27 06:07:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-27 06:07:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:07:34,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:07:34,807 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:07:34,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:07:34 BoogieIcfgContainer [2018-10-27 06:07:34,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:07:34,808 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:07:34,809 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:07:34,812 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:07:34,813 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:07:34,814 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:07:33" (1/3) ... [2018-10-27 06:07:34,815 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@300721b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:07:34, skipping insertion in model container [2018-10-27 06:07:34,815 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:07:34,815 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:07:34" (2/3) ... [2018-10-27 06:07:34,816 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@300721b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:07:34, skipping insertion in model container [2018-10-27 06:07:34,816 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:07:34,816 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:07:34" (3/3) ... [2018-10-27 06:07:34,818 INFO L375 chiAutomizerObserver]: Analyzing ICFG mult_array-alloca_true-termination.c.i [2018-10-27 06:07:34,874 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:07:34,875 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:07:34,875 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:07:34,875 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:07:34,876 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:07:34,876 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:07:34,876 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:07:34,876 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:07:34,876 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:07:34,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2018-10-27 06:07:34,917 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2018-10-27 06:07:34,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:07:34,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:07:34,925 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:07:34,925 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-10-27 06:07:34,926 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:07:34,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2018-10-27 06:07:34,927 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2018-10-27 06:07:34,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:07:34,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:07:34,928 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:07:34,928 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-10-27 06:07:34,937 INFO L793 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 21#L550true assume !(main_~length~0 < 1); 3#L550-2true main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 16#L552true assume !(main_~fac~0 < 1); 22#L552-2true #Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~length~0 * 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~fac~0 * main_~length~0 * 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 9#L555true assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 17#L556-4true [2018-10-27 06:07:34,938 INFO L795 eck$LassoCheckResult]: Loop: 17#L556-4true assume true; 10#L556-1true assume !!(main_~i~0 < main_~length~0); 6#L557true SUMMARY for call write~int(main_#t~nondet7, main_~arr~0.base, main_~arr~0.offset + main_~i~0 * 4, 4); srcloc: L557 7#L557-1true havoc main_#t~nondet7; 14#L556-3true main_#t~post6 := main_~i~0;main_~i~0 := main_#t~post6 + 1;havoc main_#t~post6; 17#L556-4true [2018-10-27 06:07:34,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:07:34,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815374, now seen corresponding path program 1 times [2018-10-27 06:07:34,947 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:07:34,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:07:35,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:35,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:07:35,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:35,037 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-27 06:07:35,038 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-27 06:07:35,038 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-27 06:07:35,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:07:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:35,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:07:35,144 INFO L82 PathProgramCache]: Analyzing trace with hash 52641723, now seen corresponding path program 1 times [2018-10-27 06:07:35,145 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:07:35,145 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:07:35,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:35,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:07:35,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:35,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:07:35,193 INFO L82 PathProgramCache]: Analyzing trace with hash 514768718, now seen corresponding path program 1 times [2018-10-27 06:07:35,193 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:07:35,193 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:07:35,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:35,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:07:35,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:35,202 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-27 06:07:35,204 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-27 06:07:35,204 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-27 06:07:35,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:07:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:35,511 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-10-27 06:07:36,094 WARN L179 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2018-10-27 06:07:36,583 WARN L179 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-10-27 06:07:36,602 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:07:36,604 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:07:36,604 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:07:36,604 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:07:36,604 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:07:36,604 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:07:36,604 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:07:36,605 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:07:36,605 INFO L131 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca_true-termination.c.i_Iteration1_Lasso [2018-10-27 06:07:36,605 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:07:36,605 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:07:36,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:36,888 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2018-10-27 06:07:36,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:36,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:36,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:36,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:36,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:36,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:36,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:36,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:36,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:36,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:36,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:36,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:36,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:37,484 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:07:37,489 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:07:37,491 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 [2018-10-27 06:07:37,492 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:37,493 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:37,493 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:37,493 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:37,496 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:37,496 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:37,505 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:37,505 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 [2018-10-27 06:07:37,506 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:37,506 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-10-27 06:07:37,506 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:37,506 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:37,510 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-10-27 06:07:37,510 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:37,530 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:37,531 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 [2018-10-27 06:07:37,531 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:37,532 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:37,532 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:37,532 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:37,534 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:37,535 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:37,542 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:37,542 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 [2018-10-27 06:07:37,543 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:37,543 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:37,543 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:37,543 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:37,545 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:37,545 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:37,551 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:37,551 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 [2018-10-27 06:07:37,553 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:37,553 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-10-27 06:07:37,553 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:37,553 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:37,556 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-10-27 06:07:37,556 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:37,574 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:37,574 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 [2018-10-27 06:07:37,575 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:37,575 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:37,575 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:37,576 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:37,576 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:37,577 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:07:37,578 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:37,579 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:37,579 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 [2018-10-27 06:07:37,580 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:37,580 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:37,580 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:37,580 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:37,583 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:37,583 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:37,605 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:37,605 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 [2018-10-27 06:07:37,606 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:37,606 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:37,606 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:37,607 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:37,607 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:37,607 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:07:37,607 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:37,610 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:37,610 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 [2018-10-27 06:07:37,611 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:37,611 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:37,611 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:37,611 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:37,616 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:37,617 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:37,661 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:07:37,695 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:07:37,696 INFO L444 ModelExtractionUtils]: 32 out of 37 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-10-27 06:07:37,703 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:07:37,705 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-10-27 06:07:37,705 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:07:37,706 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~arr~0.offset, ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~arr~0.base)_1) = -1*ULTIMATE.start_main_~arr~0.offset - 4*ULTIMATE.start_main_~i~0 + 1*v_rep(select #length ULTIMATE.start_main_~arr~0.base)_1 Supporting invariants [] [2018-10-27 06:07:37,774 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2018-10-27 06:07:37,781 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-10-27 06:07:37,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:07:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:07:37,810 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:07:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:07:37,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:07:37,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:07:37,845 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-10-27 06:07:37,847 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states. Second operand 4 states. [2018-10-27 06:07:37,913 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states.. Second operand 4 states. Result 53 states and 62 transitions. Complement of second has 7 states. [2018-10-27 06:07:37,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-10-27 06:07:37,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-10-27 06:07:37,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2018-10-27 06:07:37,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 7 letters. Loop has 5 letters. [2018-10-27 06:07:37,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:07:37,919 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 12 letters. Loop has 5 letters. [2018-10-27 06:07:37,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:07:37,919 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 7 letters. Loop has 10 letters. [2018-10-27 06:07:37,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:07:37,922 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 62 transitions. [2018-10-27 06:07:37,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-10-27 06:07:37,928 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 21 states and 25 transitions. [2018-10-27 06:07:37,929 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2018-10-27 06:07:37,930 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2018-10-27 06:07:37,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2018-10-27 06:07:37,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-10-27 06:07:37,931 INFO L705 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2018-10-27 06:07:37,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2018-10-27 06:07:37,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-10-27 06:07:37,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-10-27 06:07:37,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2018-10-27 06:07:37,954 INFO L728 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2018-10-27 06:07:37,955 INFO L608 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2018-10-27 06:07:37,955 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:07:37,955 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 25 transitions. [2018-10-27 06:07:37,955 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-10-27 06:07:37,956 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:07:37,956 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:07:37,957 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:07:37,957 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-10-27 06:07:37,957 INFO L793 eck$LassoCheckResult]: Stem: 181#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 178#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 179#L550 assume !(main_~length~0 < 1); 163#L550-2 main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 164#L552 assume !(main_~fac~0 < 1); 182#L552-2 #Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~length~0 * 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~fac~0 * main_~length~0 * 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 173#L555 assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 174#L556-4 assume true; 175#L556-1 assume !(main_~i~0 < main_~length~0); 176#L556-5 main_~j~0 := 0; 171#L559-4 [2018-10-27 06:07:37,957 INFO L795 eck$LassoCheckResult]: Loop: 171#L559-4 assume true; 165#L559-1 assume !!(main_~j~0 < main_~length~0 * main_~fac~0); 166#L560 SUMMARY for call main_#t~mem9 := read~int(main_~arr~0.base, main_~arr~0.offset + (if main_~i~0 < 0 && main_~i~0 % main_~length~0 != 0 then (if main_~length~0 < 0 then main_~i~0 % main_~length~0 + main_~length~0 else main_~i~0 % main_~length~0 - main_~length~0) else main_~i~0 % main_~length~0) * 4, 4); srcloc: L560 183#L560-1 SUMMARY for call write~int(main_#t~mem9, main_~arr2~0.base, main_~arr2~0.offset + main_~j~0 * 4, 4); srcloc: L560-1 167#L560-2 havoc main_#t~mem9; 168#L559-3 main_#t~post8 := main_~j~0;main_~j~0 := main_#t~post8 + 1;havoc main_#t~post8; 171#L559-4 [2018-10-27 06:07:37,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:07:37,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1988289003, now seen corresponding path program 1 times [2018-10-27 06:07:37,958 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:07:37,958 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:07:37,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:37,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:07:37,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:37,963 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-27 06:07:37,964 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-27 06:07:37,964 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-27 06:07:37,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:07:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:07:37,985 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:07:38,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:07:38,023 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:07:38,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 06:07:38,024 INFO L798 eck$LassoCheckResult]: stem already infeasible [2018-10-27 06:07:38,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:07:38,025 INFO L82 PathProgramCache]: Analyzing trace with hash 2134812169, now seen corresponding path program 1 times [2018-10-27 06:07:38,025 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:07:38,025 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:07:38,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:38,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:07:38,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:38,027 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-27 06:07:38,027 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-27 06:07:38,027 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-27 06:07:38,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:07:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:38,745 WARN L179 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2018-10-27 06:07:38,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 06:07:38,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 06:07:38,748 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. cyclomatic complexity: 6 Second operand 4 states. [2018-10-27 06:07:38,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:07:38,770 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2018-10-27 06:07:38,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 06:07:38,771 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 29 transitions. [2018-10-27 06:07:38,771 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-10-27 06:07:38,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 25 states and 28 transitions. [2018-10-27 06:07:38,772 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2018-10-27 06:07:38,772 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2018-10-27 06:07:38,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2018-10-27 06:07:38,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-10-27 06:07:38,772 INFO L705 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2018-10-27 06:07:38,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2018-10-27 06:07:38,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2018-10-27 06:07:38,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-10-27 06:07:38,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2018-10-27 06:07:38,774 INFO L728 BuchiCegarLoop]: Abstraction has 21 states and 24 transitions. [2018-10-27 06:07:38,774 INFO L608 BuchiCegarLoop]: Abstraction has 21 states and 24 transitions. [2018-10-27 06:07:38,774 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-10-27 06:07:38,774 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 24 transitions. [2018-10-27 06:07:38,774 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-10-27 06:07:38,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:07:38,774 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:07:38,775 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:07:38,775 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-10-27 06:07:38,775 INFO L793 eck$LassoCheckResult]: Stem: 262#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 259#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 260#L550 assume !(main_~length~0 < 1); 244#L550-2 main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 245#L552 assume !(main_~fac~0 < 1); 263#L552-2 #Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~length~0 * 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~fac~0 * main_~length~0 * 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 254#L555 assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 255#L556-4 assume true; 258#L556-1 assume !!(main_~i~0 < main_~length~0); 250#L557 SUMMARY for call write~int(main_#t~nondet7, main_~arr~0.base, main_~arr~0.offset + main_~i~0 * 4, 4); srcloc: L557 251#L557-1 havoc main_#t~nondet7; 252#L556-3 main_#t~post6 := main_~i~0;main_~i~0 := main_#t~post6 + 1;havoc main_#t~post6; 261#L556-4 assume true; 256#L556-1 assume !(main_~i~0 < main_~length~0); 257#L556-5 main_~j~0 := 0; 253#L559-4 [2018-10-27 06:07:38,775 INFO L795 eck$LassoCheckResult]: Loop: 253#L559-4 assume true; 246#L559-1 assume !!(main_~j~0 < main_~length~0 * main_~fac~0); 247#L560 SUMMARY for call main_#t~mem9 := read~int(main_~arr~0.base, main_~arr~0.offset + (if main_~i~0 < 0 && main_~i~0 % main_~length~0 != 0 then (if main_~length~0 < 0 then main_~i~0 % main_~length~0 + main_~length~0 else main_~i~0 % main_~length~0 - main_~length~0) else main_~i~0 % main_~length~0) * 4, 4); srcloc: L560 264#L560-1 SUMMARY for call write~int(main_#t~mem9, main_~arr2~0.base, main_~arr2~0.offset + main_~j~0 * 4, 4); srcloc: L560-1 248#L560-2 havoc main_#t~mem9; 249#L559-3 main_#t~post8 := main_~j~0;main_~j~0 := main_#t~post8 + 1;havoc main_#t~post8; 253#L559-4 [2018-10-27 06:07:38,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:07:38,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1853311147, now seen corresponding path program 1 times [2018-10-27 06:07:38,775 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:07:38,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:07:38,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:38,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:07:38,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:38,782 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-27 06:07:38,782 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-27 06:07:38,782 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-27 06:07:38,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:07:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:38,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:07:38,849 INFO L82 PathProgramCache]: Analyzing trace with hash 2134812169, now seen corresponding path program 2 times [2018-10-27 06:07:38,849 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:07:38,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:07:38,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:38,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:07:38,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:38,851 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-27 06:07:38,851 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-27 06:07:38,851 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-27 06:07:38,871 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-27 06:07:38,878 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-10-27 06:07:38,878 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2018-10-27 06:07:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:38,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:07:38,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1163030947, now seen corresponding path program 1 times [2018-10-27 06:07:38,911 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:07:38,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:07:38,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:38,912 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:07:38,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:07:38,914 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-27 06:07:38,915 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-27 06:07:38,915 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3043963f-5ff2-43f8-bfa1-b39de9962ca4/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-27 06:07:38,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:07:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:07:39,430 WARN L179 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2018-10-27 06:07:39,568 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 83 [2018-10-27 06:07:39,645 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:07:39,646 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:07:39,646 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:07:39,646 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:07:39,646 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:07:39,646 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:07:39,646 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:07:39,646 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:07:39,646 INFO L131 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca_true-termination.c.i_Iteration3_Lasso [2018-10-27 06:07:39,646 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:07:39,646 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:07:39,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:39,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:39,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:39,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:39,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:39,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:39,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:39,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:39,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:39,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:39,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:39,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:39,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:07:40,201 WARN L179 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2018-10-27 06:07:40,554 WARN L179 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 73 [2018-10-27 06:07:40,797 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 57 [2018-10-27 06:07:40,951 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2018-10-27 06:07:41,186 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:07:41,186 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:07:41,186 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 [2018-10-27 06:07:41,187 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,187 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:41,187 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,188 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,188 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,188 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:07:41,188 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:41,191 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,192 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 [2018-10-27 06:07:41,192 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,192 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:41,192 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,192 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,193 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,193 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:07:41,193 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:41,194 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,194 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 [2018-10-27 06:07:41,194 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,195 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:41,195 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,195 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,195 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,195 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:07:41,195 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:41,196 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,201 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 [2018-10-27 06:07:41,202 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,202 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:41,202 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,202 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,202 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,203 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:07:41,203 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:41,203 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,204 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 [2018-10-27 06:07:41,208 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,208 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:41,208 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,209 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,209 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,209 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:07:41,209 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:41,210 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,210 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 [2018-10-27 06:07:41,210 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,211 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:41,211 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,211 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,211 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,211 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:07:41,211 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:41,212 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,216 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 [2018-10-27 06:07:41,217 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,217 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,217 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,217 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,218 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:41,218 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:41,223 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,223 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 [2018-10-27 06:07:41,225 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,225 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,226 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,226 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,226 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:41,227 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:41,229 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,230 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 [2018-10-27 06:07:41,230 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,230 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,231 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,231 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,231 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:41,232 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:41,234 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,234 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 [2018-10-27 06:07:41,235 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,235 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,235 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,235 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,236 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:41,236 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:41,243 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,244 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 [2018-10-27 06:07:41,246 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,246 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:41,246 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,246 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,246 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,247 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:07:41,247 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:41,247 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,248 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 [2018-10-27 06:07:41,248 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,248 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,248 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,248 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,249 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:41,249 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:41,251 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,251 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 [2018-10-27 06:07:41,252 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,252 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,252 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,252 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,258 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:41,258 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:41,260 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,261 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 [2018-10-27 06:07:41,261 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,261 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-10-27 06:07:41,261 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,262 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,263 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-10-27 06:07:41,263 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:41,272 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,272 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 [2018-10-27 06:07:41,273 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,273 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:41,273 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,273 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,273 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,274 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:07:41,274 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:41,274 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,275 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 [2018-10-27 06:07:41,275 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,275 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-10-27 06:07:41,275 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,275 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,281 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-10-27 06:07:41,281 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:41,286 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,287 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 [2018-10-27 06:07:41,287 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,287 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,287 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,287 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,291 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:41,291 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:41,298 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,299 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 [2018-10-27 06:07:41,299 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,299 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,299 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,299 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,300 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:41,302 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:41,304 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,304 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 [2018-10-27 06:07:41,305 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,305 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,305 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,305 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,306 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:41,306 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:41,311 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,312 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 [2018-10-27 06:07:41,312 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,312 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:41,312 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,312 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,312 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,313 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:07:41,313 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:41,314 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,314 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 [2018-10-27 06:07:41,314 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,314 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,315 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,315 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,315 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:41,316 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:41,324 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,325 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 [2018-10-27 06:07:41,325 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,325 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:07:41,325 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,326 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,326 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,326 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:07:41,326 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:07:41,327 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,327 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 [2018-10-27 06:07:41,327 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,328 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,328 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,328 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,333 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:41,333 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:41,338 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,339 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 [2018-10-27 06:07:41,339 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,339 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,339 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:07:41,340 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,340 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:07:41,340 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:07:41,343 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:07:41,343 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 [2018-10-27 06:07:41,344 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:07:41,344 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:07:41,344 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-10-27 06:07:41,349 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:07:41,357 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-10-27 06:07:41,357 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:07:41,574 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:07:41,801 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2018-10-27 06:07:41,801 INFO L444 ModelExtractionUtils]: 70 out of 81 variables were initially zero. Simplification set additionally 7 variables to zero. [2018-10-27 06:07:41,802 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:07:41,804 INFO L440 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2018-10-27 06:07:41,805 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:07:41,805 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~arr2~0.base)_1, ULTIMATE.start_main_~arr2~0.offset, ULTIMATE.start_main_~j~0) = 1*v_rep(select #length ULTIMATE.start_main_~arr2~0.base)_1 - 1*ULTIMATE.start_main_~arr2~0.offset - 4*ULTIMATE.start_main_~j~0 Supporting invariants [] [2018-10-27 06:07:42,072 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2018-10-27 06:07:42,073 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-10-27 06:07:42,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:07:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:07:42,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:07:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:07:42,103 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:07:42,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:07:42,113 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-10-27 06:07:42,113 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 24 transitions. cyclomatic complexity: 5 Second operand 4 states. [2018-10-27 06:07:42,134 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 24 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 27 states and 31 transitions. Complement of second has 6 states. [2018-10-27 06:07:42,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-10-27 06:07:42,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-10-27 06:07:42,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2018-10-27 06:07:42,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 15 letters. Loop has 6 letters. [2018-10-27 06:07:42,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:07:42,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 21 letters. Loop has 6 letters. [2018-10-27 06:07:42,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:07:42,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 15 letters. Loop has 12 letters. [2018-10-27 06:07:42,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:07:42,136 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 31 transitions. [2018-10-27 06:07:42,137 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:07:42,137 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2018-10-27 06:07:42,137 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:07:42,137 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:07:42,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:07:42,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:07:42,137 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:07:42,137 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:07:42,138 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:07:42,138 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-10-27 06:07:42,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:07:42,138 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:07:42,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-10-27 06:07:42,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:07:42 BoogieIcfgContainer [2018-10-27 06:07:42,144 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:07:42,145 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:07:42,145 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:07:42,145 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:07:42,145 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:07:34" (3/4) ... [2018-10-27 06:07:42,150 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:07:42,150 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:07:42,151 INFO L168 Benchmark]: Toolchain (without parser) took 8576.41 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 274.2 MB). Free memory was 950.4 MB in the beginning and 1.0 GB in the end (delta: -87.7 MB). Peak memory consumption was 186.5 MB. Max. memory is 11.5 GB. [2018-10-27 06:07:42,152 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:07:42,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.47 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 928.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-27 06:07:42,153 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 928.9 MB in the beginning and 1.2 GB in the end (delta: -233.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-10-27 06:07:42,153 INFO L168 Benchmark]: Boogie Preprocessor took 52.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-10-27 06:07:42,154 INFO L168 Benchmark]: RCFGBuilder took 569.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-10-27 06:07:42,154 INFO L168 Benchmark]: BuchiAutomizer took 7336.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 94.8 MB). Peak memory consumption was 197.6 MB. Max. memory is 11.5 GB. [2018-10-27 06:07:42,155 INFO L168 Benchmark]: Witness Printer took 5.80 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:07:42,162 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 454.47 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 928.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 154.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 928.9 MB in the beginning and 1.2 GB in the end (delta: -233.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 569.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7336.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 94.8 MB). Peak memory consumption was 197.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.80 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * arr + -4 * i + unknown-#length-unknown[arr] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[arr2] + -1 * arr2 + -4 * j and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.2s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 6.9s. 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 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 21 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 56 SDtfs, 68 SDslu, 36 SDs, 0 SdLazy, 42 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital327 mio100 ax108 hnf99 lsp332 ukn51 mio100 lsp56 div128 bol100 ite100 ukn100 eq171 hnf90 smp87 dnf114 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 461ms VariablesStem: 16 VariablesLoop: 12 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...