./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 cd11d9219c053905d9335ee000e770be1f4c60e6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:37:18,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:37:18,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:37:18,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:37:18,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:37:18,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:37:18,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:37:18,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:37:18,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:37:18,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:37:18,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:37:18,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:37:18,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:37:18,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:37:18,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:37:18,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:37:18,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:37:18,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:37:18,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:37:18,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:37:18,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:37:18,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:37:18,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:37:18,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:37:18,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:37:18,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:37:18,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:37:18,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:37:18,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:37:18,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:37:18,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:37:18,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:37:18,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:37:18,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:37:18,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:37:18,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:37:18,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:37:18,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:37:18,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:37:18,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:37:18,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:37:18,904 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 20:37:18,932 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:37:18,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:37:18,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:37:18,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:37:18,935 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:37:18,935 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:37:18,936 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:37:18,936 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:37:18,936 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:37:18,936 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:37:18,937 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:37:18,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:37:18,938 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:37:18,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:37:18,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:37:18,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:37:18,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:37:18,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:37:18,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:37:18,940 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:37:18,940 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:37:18,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:37:18,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:37:18,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:37:18,941 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:37:18,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:37:18,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:37:18,941 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:37:18,942 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:37:18,943 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:37:18,943 INFO L138 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> cd11d9219c053905d9335ee000e770be1f4c60e6 [2019-11-28 20:37:19,314 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:37:19,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:37:19,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:37:19,346 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:37:19,347 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:37:19,348 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc.i [2019-11-28 20:37:19,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3108ed38/ac3c1602562846a98bac1cc1ec585909/FLAG1f560af84 [2019-11-28 20:37:19,937 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:37:19,938 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc.i [2019-11-28 20:37:19,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3108ed38/ac3c1602562846a98bac1cc1ec585909/FLAG1f560af84 [2019-11-28 20:37:20,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3108ed38/ac3c1602562846a98bac1cc1ec585909 [2019-11-28 20:37:20,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:37:20,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:37:20,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:37:20,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:37:20,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:37:20,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:37:20" (1/1) ... [2019-11-28 20:37:20,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c8e4261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:20, skipping insertion in model container [2019-11-28 20:37:20,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:37:20" (1/1) ... [2019-11-28 20:37:20,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:37:20,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:37:20,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:37:20,567 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:37:20,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:37:20,597 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:37:20,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:20 WrapperNode [2019-11-28 20:37:20,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:37:20,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:37:20,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:37:20,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:37:20,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:20" (1/1) ... [2019-11-28 20:37:20,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:20" (1/1) ... [2019-11-28 20:37:20,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:37:20,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:37:20,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:37:20,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:37:20,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:20" (1/1) ... [2019-11-28 20:37:20,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:20" (1/1) ... [2019-11-28 20:37:20,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:20" (1/1) ... [2019-11-28 20:37:20,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:20" (1/1) ... [2019-11-28 20:37:20,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:20" (1/1) ... [2019-11-28 20:37:20,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:20" (1/1) ... [2019-11-28 20:37:20,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:20" (1/1) ... [2019-11-28 20:37:20,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:37:20,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:37:20,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:37:20,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:37:20,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 20:37:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure rec_strcopy_helper [2019-11-28 20:37:20,786 INFO L138 BoogieDeclarations]: Found implementation of procedure rec_strcopy_helper [2019-11-28 20:37:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:37:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 20:37:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:37:20,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:37:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:37:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:37:21,024 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:37:21,025 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-28 20:37:21,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:37:21 BoogieIcfgContainer [2019-11-28 20:37:21,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:37:21,034 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:37:21,034 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:37:21,042 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:37:21,046 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:37:21,046 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:37:20" (1/3) ... [2019-11-28 20:37:21,051 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fd808ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:37:21, skipping insertion in model container [2019-11-28 20:37:21,051 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:37:21,055 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:20" (2/3) ... [2019-11-28 20:37:21,056 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fd808ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:37:21, skipping insertion in model container [2019-11-28 20:37:21,056 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:37:21,056 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:37:21" (3/3) ... [2019-11-28 20:37:21,060 INFO L371 chiAutomizerObserver]: Analyzing ICFG rec_strcopy_malloc.i [2019-11-28 20:37:21,146 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:37:21,147 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:37:21,147 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:37:21,147 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:37:21,147 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:37:21,148 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:37:21,148 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:37:21,148 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:37:21,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-28 20:37:21,198 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:37:21,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:37:21,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:37:21,208 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:37:21,208 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:37:21,209 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:37:21,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-28 20:37:21,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:37:21,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:37:21,212 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:37:21,212 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:37:21,213 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:37:21,223 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~ret6.base, main_#t~ret6.offset, main_#t~ret7.base, main_#t~ret7.offset, main_~length~0, main_~original~0.base, main_~original~0.offset, main_~res~0.base, main_~res~0.offset;main_~length~0 := main_#t~nondet5;havoc main_#t~nondet5; 17#L35true assume main_~length~0 < 1;main_~length~0 := 1; 12#L35-2true build_nondet_String_#in~length := main_~length~0;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length := build_nondet_String_#in~length;call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 15#L12true main_#t~ret6.base, main_#t~ret6.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;main_~original~0.base, main_~original~0.offset := main_#t~ret6.base, main_#t~ret6.offset;havoc main_#t~ret6.base, main_#t~ret6.offset;rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset, rec_strcopy_#in~length := main_~original~0.base, main_~original~0.offset, main_~length~0;havoc rec_strcopy_#res.base, rec_strcopy_#res.offset;havoc rec_strcopy_#t~malloc4.base, rec_strcopy_#t~malloc4.offset, rec_strcopy_~source.base, rec_strcopy_~source.offset, rec_strcopy_~length, rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset;rec_strcopy_~source.base, rec_strcopy_~source.offset := rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset;rec_strcopy_~length := rec_strcopy_#in~length;call rec_strcopy_#t~malloc4.base, rec_strcopy_#t~malloc4.offset := #Ultimate.allocOnHeap(rec_strcopy_~length);rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset := rec_strcopy_#t~malloc4.base, rec_strcopy_#t~malloc4.offset; 4#L28true call rec_strcopy_helper(rec_strcopy_~source.base, rec_strcopy_~source.offset, rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset);< 11#rec_strcopy_helperENTRYtrue [2019-11-28 20:37:21,223 INFO L796 eck$LassoCheckResult]: Loop: 11#rec_strcopy_helperENTRYtrue ~source.base, ~source.offset := #in~source.base, #in~source.offset;~dest.base, ~dest.offset := #in~dest.base, #in~dest.offset;call #t~mem2 := read~int(~source.base, ~source.offset, 1);call write~int(#t~mem2, ~dest.base, ~dest.offset, 1);havoc #t~mem2;call #t~mem3 := read~int(~source.base, ~source.offset, 1); 7#L21true assume 0 != #t~mem3;havoc #t~mem3; 14#L22true call rec_strcopy_helper(~source.base, 1 + ~source.offset, ~dest.base, 1 + ~dest.offset);< 11#rec_strcopy_helperENTRYtrue [2019-11-28 20:37:21,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:37:21,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1155759793, now seen corresponding path program 1 times [2019-11-28 20:37:21,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:37:21,237 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495746556] [2019-11-28 20:37:21,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:37:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:21,490 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:37:21,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:37:21,493 INFO L82 PathProgramCache]: Analyzing trace with hash 29912, now seen corresponding path program 1 times [2019-11-28 20:37:21,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:37:21,496 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450290669] [2019-11-28 20:37:21,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:37:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:21,562 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:37:21,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:37:21,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1512818648, now seen corresponding path program 1 times [2019-11-28 20:37:21,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:37:21,568 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956348269] [2019-11-28 20:37:21,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:37:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:37:21,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:37:21,867 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956348269] [2019-11-28 20:37:21,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:37:21,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 20:37:21,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217253090] [2019-11-28 20:37:22,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:37:22,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 20:37:22,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 20:37:22,161 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 7 states. [2019-11-28 20:37:22,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:37:22,331 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-11-28 20:37:22,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 20:37:22,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 29 transitions. [2019-11-28 20:37:22,338 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:37:22,343 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 9 states and 9 transitions. [2019-11-28 20:37:22,344 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-28 20:37:22,344 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-28 20:37:22,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 9 transitions. [2019-11-28 20:37:22,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:37:22,346 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-11-28 20:37:22,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 9 transitions. [2019-11-28 20:37:22,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-28 20:37:22,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-28 20:37:22,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-11-28 20:37:22,377 INFO L711 BuchiCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-11-28 20:37:22,377 INFO L591 BuchiCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-11-28 20:37:22,377 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:37:22,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 9 transitions. [2019-11-28 20:37:22,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:37:22,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:37:22,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:37:22,379 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:37:22,379 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:37:22,379 INFO L794 eck$LassoCheckResult]: Stem: 69#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 67#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~ret6.base, main_#t~ret6.offset, main_#t~ret7.base, main_#t~ret7.offset, main_~length~0, main_~original~0.base, main_~original~0.offset, main_~res~0.base, main_~res~0.offset;main_~length~0 := main_#t~nondet5;havoc main_#t~nondet5; 68#L35 assume !(main_~length~0 < 1); 74#L35-2 build_nondet_String_#in~length := main_~length~0;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length := build_nondet_String_#in~length;call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 75#L12 main_#t~ret6.base, main_#t~ret6.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;main_~original~0.base, main_~original~0.offset := main_#t~ret6.base, main_#t~ret6.offset;havoc main_#t~ret6.base, main_#t~ret6.offset;rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset, rec_strcopy_#in~length := main_~original~0.base, main_~original~0.offset, main_~length~0;havoc rec_strcopy_#res.base, rec_strcopy_#res.offset;havoc rec_strcopy_#t~malloc4.base, rec_strcopy_#t~malloc4.offset, rec_strcopy_~source.base, rec_strcopy_~source.offset, rec_strcopy_~length, rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset;rec_strcopy_~source.base, rec_strcopy_~source.offset := rec_strcopy_#in~source.base, rec_strcopy_#in~source.offset;rec_strcopy_~length := rec_strcopy_#in~length;call rec_strcopy_#t~malloc4.base, rec_strcopy_#t~malloc4.offset := #Ultimate.allocOnHeap(rec_strcopy_~length);rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset := rec_strcopy_#t~malloc4.base, rec_strcopy_#t~malloc4.offset; 72#L28 call rec_strcopy_helper(rec_strcopy_~source.base, rec_strcopy_~source.offset, rec_strcopy_~copyAlloc~0.base, rec_strcopy_~copyAlloc~0.offset);< 70#rec_strcopy_helperENTRY [2019-11-28 20:37:22,379 INFO L796 eck$LassoCheckResult]: Loop: 70#rec_strcopy_helperENTRY ~source.base, ~source.offset := #in~source.base, #in~source.offset;~dest.base, ~dest.offset := #in~dest.base, #in~dest.offset;call #t~mem2 := read~int(~source.base, ~source.offset, 1);call write~int(#t~mem2, ~dest.base, ~dest.offset, 1);havoc #t~mem2;call #t~mem3 := read~int(~source.base, ~source.offset, 1); 73#L21 assume 0 != #t~mem3;havoc #t~mem3; 71#L22 call rec_strcopy_helper(~source.base, 1 + ~source.offset, ~dest.base, 1 + ~dest.offset);< 70#rec_strcopy_helperENTRY [2019-11-28 20:37:22,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:37:22,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1155819375, now seen corresponding path program 1 times [2019-11-28 20:37:22,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:37:22,381 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146168427] [2019-11-28 20:37:22,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:37:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:22,413 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:37:22,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:37:22,413 INFO L82 PathProgramCache]: Analyzing trace with hash 29912, now seen corresponding path program 2 times [2019-11-28 20:37:22,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:37:22,414 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981658327] [2019-11-28 20:37:22,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:37:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:22,428 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:37:22,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:37:22,429 INFO L82 PathProgramCache]: Analyzing trace with hash 262188714, now seen corresponding path program 1 times [2019-11-28 20:37:22,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:37:22,430 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977997972] [2019-11-28 20:37:22,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:37:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:37:22,472 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:37:23,101 WARN L192 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-11-28 20:37:23,259 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-11-28 20:37:23,412 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-11-28 20:37:23,507 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:37:23,508 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:37:23,508 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:37:23,508 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:37:23,509 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:37:23,509 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:23,509 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:37:23,510 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:37:23,510 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_strcopy_malloc.i_Iteration2_Lasso [2019-11-28 20:37:23,510 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:37:23,511 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:37:23,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,845 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-11-28 20:37:23,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:23,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:37:24,385 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:37:24,391 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,399 INFO L120 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 [2019-11-28 20:37:24,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:24,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:24,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:37:24,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,415 INFO L120 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 [2019-11-28 20:37:24,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:24,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:24,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:37:24,421 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,439 INFO L120 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 [2019-11-28 20:37:24,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:24,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:24,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:37:24,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,462 INFO L120 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 [2019-11-28 20:37:24,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:24,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:24,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:37:24,470 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:37:24,487 INFO L120 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 [2019-11-28 20:37:24,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:24,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:24,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:37:24,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,522 INFO L120 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 [2019-11-28 20:37:24,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:24,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:24,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:37:24,528 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,543 INFO L120 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 [2019-11-28 20:37:24,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:24,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:24,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:37:24,550 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,564 INFO L120 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 [2019-11-28 20:37:24,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:24,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:24,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:37:24,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,585 INFO L120 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 [2019-11-28 20:37:24,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:24,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:24,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:37:24,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:37:24,610 INFO L120 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 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:24,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:24,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:37:24,614 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,626 INFO L120 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 [2019-11-28 20:37:24,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:24,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:24,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:37:24,632 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,642 INFO L120 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 [2019-11-28 20:37:24,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:24,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:24,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:37:24,649 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,655 INFO L120 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 [2019-11-28 20:37:24,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:24,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:24,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:37:24,662 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,680 INFO L120 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 [2019-11-28 20:37:24,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:24,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:24,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:37:24,690 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:37:24,708 INFO L120 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 [2019-11-28 20:37:24,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:24,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:24,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:37:24,737 INFO L120 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 [2019-11-28 20:37:24,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:24,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:24,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,756 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:37:24,775 INFO L120 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 [2019-11-28 20:37:24,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:24,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:24,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,784 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,802 INFO L120 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 [2019-11-28 20:37:24,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:37:24,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:37:24,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:37:24,808 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:37:24,825 INFO L120 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 [2019-11-28 20:37:24,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:37:24,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:37:24,863 INFO L120 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 [2019-11-28 20:37:24,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,865 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-11-28 20:37:24,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,873 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-28 20:37:24,873 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,883 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,890 INFO L120 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 [2019-11-28 20:37:24,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:37:24,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:37:24,904 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:37:24,913 INFO L120 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 [2019-11-28 20:37:24,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:37:24,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,929 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:37:24,948 INFO L120 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 [2019-11-28 20:37:24,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,951 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 20:37:24,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:24,959 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-28 20:37:24,959 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,973 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:37:24,981 INFO L120 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 [2019-11-28 20:37:24,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:24,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:24,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:24,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:24,987 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:37:24,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:37:24,992 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:37:24,999 INFO L120 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 [2019-11-28 20:37:25,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:37:25,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:37:25,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:37:25,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:37:25,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:37:25,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:25,023 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:37:25,059 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-28 20:37:25,059 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:37:25,110 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:37:25,133 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:37:25,134 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:37:25,134 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length rec_strcopy_helper_#in~dest.base)_1, rec_strcopy_helper_#in~dest.offset) = 1*v_rep(select #length rec_strcopy_helper_#in~dest.base)_1 - 1*rec_strcopy_helper_#in~dest.offset Supporting invariants [] [2019-11-28 20:37:25,197 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-11-28 20:37:25,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 20:37:25,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:37:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:37:25,262 INFO L264 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:37:25,264 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:37:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:37:25,293 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 20:37:25,294 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:37:25,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:37:25,331 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 [2019-11-28 20:37:25,332 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 9 transitions. cyclomatic complexity: 1 Second operand 3 states. [2019-11-28 20:37:25,390 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 9 transitions. cyclomatic complexity: 1. Second operand 3 states. Result 16 states and 16 transitions. Complement of second has 7 states. [2019-11-28 20:37:25,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:37:25,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:37:25,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2019-11-28 20:37:25,396 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-28 20:37:25,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:37:25,401 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-28 20:37:25,401 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:37:25,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 6 letters. [2019-11-28 20:37:25,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:37:25,402 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 16 transitions. [2019-11-28 20:37:25,403 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:37:25,404 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2019-11-28 20:37:25,404 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:37:25,404 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:37:25,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:37:25,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:37:25,404 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:37:25,404 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:37:25,404 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:37:25,405 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:37:25,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:37:25,406 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:37:25,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:37:25,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:37:25 BoogieIcfgContainer [2019-11-28 20:37:25,427 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:37:25,431 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:37:25,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:37:25,431 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:37:25,432 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:37:21" (3/4) ... [2019-11-28 20:37:25,438 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:37:25,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:37:25,442 INFO L168 Benchmark]: Toolchain (without parser) took 5139.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.0 MB). Free memory was 951.0 MB in the beginning and 928.2 MB in the end (delta: 22.8 MB). Peak memory consumption was 217.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:37:25,442 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:37:25,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.27 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:37:25,445 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:37:25,445 INFO L168 Benchmark]: Boogie Preprocessor took 31.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:37:25,448 INFO L168 Benchmark]: RCFGBuilder took 302.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2019-11-28 20:37:25,452 INFO L168 Benchmark]: BuchiAutomizer took 4393.76 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 928.2 MB in the end (delta: 165.3 MB). Peak memory consumption was 237.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:37:25,452 INFO L168 Benchmark]: Witness Printer took 7.54 ms. Allocated memory is still 1.2 GB. Free memory is still 928.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:37:25,459 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.27 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 302.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4393.76 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 928.2 MB in the end (delta: 165.3 MB). Peak memory consumption was 237.7 MB. Max. memory is 11.5 GB. * Witness Printer took 7.54 ms. Allocated memory is still 1.2 GB. Free memory is still 928.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[dest] + -1 * dest and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 9 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 31 SDtfs, 18 SDslu, 84 SDs, 0 SdLazy, 49 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital164 mio100 ax100 hnf100 lsp96 ukn72 mio100 lsp47 div100 bol100 ite100 ukn100 eq190 hnf68 smp100 dnf119 smp83 tf100 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 2 VariablesLoop: 2 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...