./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab 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-memory-alloca/openbsd_cstpncpy-alloca-2.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 1a0687c7a9248a5f8cc8ee4c8e4eeb67512aff8e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:02:06,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:02:06,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:02:06,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:02:06,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:02:06,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:02:06,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:02:06,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:02:06,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:02:06,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:02:06,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:02:06,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:02:06,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:02:06,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:02:06,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:02:06,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:02:06,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:02:06,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:02:06,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:02:06,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:02:06,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:02:06,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:02:06,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:02:06,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:02:06,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:02:06,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:02:06,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:02:06,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:02:06,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:02:06,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:02:06,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:02:06,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:02:06,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:02:06,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:02:06,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:02:06,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:02:06,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:02:06,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:02:06,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:02:06,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:02:06,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:02:06,806 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 03:02:06,836 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:02:06,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:02:06,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:02:06,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:02:06,841 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:02:06,843 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:02:06,843 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:02:06,843 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:02:06,844 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:02:06,844 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:02:06,846 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:02:06,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:02:06,846 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:02:06,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:02:06,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:02:06,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:02:06,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:02:06,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:02:06,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:02:06,849 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:02:06,850 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:02:06,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:02:06,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:02:06,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:02:06,851 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:02:06,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:02:06,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:02:06,853 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:02:06,854 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:02:06,854 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 -> 1a0687c7a9248a5f8cc8ee4c8e4eeb67512aff8e [2019-11-28 03:02:07,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:02:07,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:02:07,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:02:07,165 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:02:07,166 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:02:07,167 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i [2019-11-28 03:02:07,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85163d6a1/79143a6157064688993986ca68e22dc6/FLAG36c9ef0a8 [2019-11-28 03:02:07,787 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:02:07,789 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i [2019-11-28 03:02:07,801 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85163d6a1/79143a6157064688993986ca68e22dc6/FLAG36c9ef0a8 [2019-11-28 03:02:08,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85163d6a1/79143a6157064688993986ca68e22dc6 [2019-11-28 03:02:08,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:02:08,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:02:08,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:02:08,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:02:08,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:02:08,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:08" (1/1) ... [2019-11-28 03:02:08,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29271dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:08, skipping insertion in model container [2019-11-28 03:02:08,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:08" (1/1) ... [2019-11-28 03:02:08,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:02:08,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:02:08,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:02:08,561 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:02:08,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:02:08,685 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:02:08,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:08 WrapperNode [2019-11-28 03:02:08,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:02:08,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:02:08,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:02:08,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:02:08,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:08" (1/1) ... [2019-11-28 03:02:08,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:08" (1/1) ... [2019-11-28 03:02:08,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:02:08,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:02:08,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:02:08,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:02:08,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:08" (1/1) ... [2019-11-28 03:02:08,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:08" (1/1) ... [2019-11-28 03:02:08,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:08" (1/1) ... [2019-11-28 03:02:08,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:08" (1/1) ... [2019-11-28 03:02:08,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:08" (1/1) ... [2019-11-28 03:02:08,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:08" (1/1) ... [2019-11-28 03:02:08,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:08" (1/1) ... [2019-11-28 03:02:08,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:02:08,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:02:08,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:02:08,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:02:08,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:08" (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 03:02:08,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:02:08,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:02:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 03:02:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:02:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 03:02:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:02:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:02:08,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:02:09,235 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:02:09,236 INFO L297 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-28 03:02:09,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:09 BoogieIcfgContainer [2019-11-28 03:02:09,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:02:09,238 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:02:09,239 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:02:09,243 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:02:09,244 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:02:09,245 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:02:08" (1/3) ... [2019-11-28 03:02:09,249 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c85b43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:02:09, skipping insertion in model container [2019-11-28 03:02:09,250 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:02:09,250 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:08" (2/3) ... [2019-11-28 03:02:09,250 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c85b43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:02:09, skipping insertion in model container [2019-11-28 03:02:09,250 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:02:09,251 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:09" (3/3) ... [2019-11-28 03:02:09,252 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cstpncpy-alloca-2.i [2019-11-28 03:02:09,295 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:02:09,295 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:02:09,295 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:02:09,295 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:02:09,296 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:02:09,296 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:02:09,296 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:02:09,296 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:02:09,311 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-11-28 03:02:09,336 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-28 03:02:09,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:02:09,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:02:09,344 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:02:09,345 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 03:02:09,345 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:02:09,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-11-28 03:02:09,347 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-28 03:02:09,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:02:09,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:02:09,348 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:02:09,349 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 03:02:09,358 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15.base, main_#t~ret15.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 3#L568true assume !(main_~length~0 < 1); 6#L568-2true assume !(main_~n~0 < 1); 19#L571-1true call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_#in~src.base, cstpncpy_#in~src.offset, cstpncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstpncpy_#res.base, cstpncpy_#res.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset, cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, cstpncpy_#t~mem7, cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset, cstpncpy_#t~pre8, cstpncpy_#t~pre4, cstpncpy_~d~0.base, cstpncpy_~d~0.offset, cstpncpy_~s~0.base, cstpncpy_~s~0.offset, cstpncpy_#t~mem10.base, cstpncpy_#t~mem10.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, cstpncpy_~src.base, cstpncpy_~src.offset, cstpncpy_~n;call cstpncpy_~#dst.base, cstpncpy_~#dst.offset := #Ultimate.allocOnStack(8);call write~$Pointer$(cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 8);cstpncpy_~src.base, cstpncpy_~src.offset := cstpncpy_#in~src.base, cstpncpy_#in~src.offset;cstpncpy_~n := cstpncpy_#in~n; 15#L550true assume 0 != cstpncpy_~n % 4294967296;call cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 8);cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_~src.base, cstpncpy_~src.offset;call cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 8);call write~$Pointer$(cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset + cstpncpy_~n % 4294967296, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 8);havoc cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset; 16#L554-4true [2019-11-28 03:02:09,359 INFO L796 eck$LassoCheckResult]: Loop: 16#L554-4true cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset := cstpncpy_~d~0.base, cstpncpy_~d~0.offset;cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~post5.base, 1 + cstpncpy_#t~post5.offset;cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset := cstpncpy_~s~0.base, cstpncpy_~s~0.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_#t~post6.base, 1 + cstpncpy_#t~post6.offset;call cstpncpy_#t~mem7 := read~int(cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, 1);call write~int(cstpncpy_#t~mem7, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, 1); 7#L555true assume !(0 == cstpncpy_#t~mem7);havoc cstpncpy_#t~mem7;havoc cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset;havoc cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset; 10#L554-1true cstpncpy_#t~pre4 := cstpncpy_~n - 1;cstpncpy_~n := cstpncpy_~n - 1; 13#L554-2true assume !!(0 != cstpncpy_#t~pre4 % 4294967296);havoc cstpncpy_#t~pre4; 16#L554-4true [2019-11-28 03:02:09,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:09,367 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2019-11-28 03:02:09,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:09,378 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116914552] [2019-11-28 03:02:09,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:09,592 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:09,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:09,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1618712, now seen corresponding path program 1 times [2019-11-28 03:02:09,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:09,597 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819150007] [2019-11-28 03:02:09,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:09,692 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:09,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:09,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1592246563, now seen corresponding path program 1 times [2019-11-28 03:02:09,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:09,695 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170886544] [2019-11-28 03:02:09,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:09,853 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:10,004 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-28 03:02:11,476 WARN L192 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 165 DAG size of output: 147 [2019-11-28 03:02:11,552 INFO L508 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 03:02:12,068 WARN L192 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-11-28 03:02:12,069 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:02:12,079 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 03:02:12,448 WARN L192 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-11-28 03:02:12,449 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:02:12,466 INFO L508 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 03:02:12,894 WARN L192 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-11-28 03:02:12,895 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:02:12,898 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-28 03:02:12,899 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:270, output treesize:257 [2019-11-28 03:02:13,234 WARN L192 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-11-28 03:02:13,247 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:02:13,247 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:02:13,248 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:02:13,248 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:02:13,248 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:02:13,249 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:13,249 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:02:13,249 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:02:13,249 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca-2.i_Iteration1_Lasso [2019-11-28 03:02:13,250 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:02:13,250 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:02:13,278 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 03:02:13,288 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 03:02:13,291 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 03:02:13,295 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 03:02:13,297 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 03:02:13,301 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 03:02:13,304 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 03:02:13,307 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 03:02:13,311 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 03:02:13,313 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 03:02:13,316 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 03:02:13,318 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 03:02:13,320 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 03:02:13,323 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 03:02:13,327 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 03:02:13,330 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 03:02:13,333 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 03:02:13,335 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 03:02:13,338 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 03:02:13,340 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 03:02:13,343 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 03:02:13,346 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 03:02:13,349 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 03:02:13,352 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 03:02:13,355 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 03:02:14,004 WARN L192 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-11-28 03:02:14,250 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-11-28 03:02:14,251 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 03:02:14,255 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 03:02:14,258 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 03:02:14,573 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-11-28 03:02:14,827 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-11-28 03:02:15,212 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-11-28 03:02:15,518 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:02:15,523 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 03:02:15,551 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 03:02:15,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:15,564 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) [2019-11-28 03:02:15,583 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 03:02:15,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:15,591 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 03:02:15,611 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 03:02:15,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:15,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:15,627 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) [2019-11-28 03:02:15,644 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 03:02:15,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:15,650 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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:15,660 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 03:02:15,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:15,669 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 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 03:02:15,675 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 03:02:15,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:15,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:15,686 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 03:02:15,707 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 03:02:15,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:15,719 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) [2019-11-28 03:02:15,735 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 03:02:15,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:15,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:15,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:15,745 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 03:02:15,756 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 03:02:15,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:15,764 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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:15,772 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 03:02:15,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:15,775 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 03:02:15,788 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 03:02:15,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:15,793 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 03:02:15,803 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 03:02:15,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:15,809 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 03:02:15,815 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 03:02:15,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:15,819 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 03:02:15,826 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 03:02:15,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:15,831 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) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:15,837 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 03:02:15,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:15,840 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) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:15,865 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 03:02:15,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:15,876 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) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:15,884 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 03:02:15,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:15,889 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 03:02:15,896 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 03:02:15,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:15,900 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) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:15,908 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 03:02:15,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:15,911 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) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:15,920 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 03:02:15,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:15,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:15,935 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) [2019-11-28 03:02:15,948 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 03:02:15,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:15,954 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 03:02:15,969 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 03:02:15,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,972 INFO L402 nArgumentSynthesizer]: A total of 0 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 03:02:15,974 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) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:15,981 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 03:02:15,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:15,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:15,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:15,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:15,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:15,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:15,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:15,986 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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:15,998 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 03:02:16,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:16,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:16,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:16,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:16,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:16,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:16,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:16,004 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) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:16,012 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 03:02:16,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:16,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:16,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:16,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:16,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:16,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:16,075 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:02:16,197 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2019-11-28 03:02:16,198 INFO L444 ModelExtractionUtils]: 33 out of 52 variables were initially zero. Simplification set additionally 16 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) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:16,260 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:02:16,278 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:02:16,278 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:02:16,279 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1, ULTIMATE.start_cstpncpy_~d~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1 - 1*ULTIMATE.start_cstpncpy_~d~0.offset Supporting invariants [] [2019-11-28 03:02:16,375 INFO L297 tatePredicateManager]: 17 out of 19 supporting invariants were superfluous and have been removed [2019-11-28 03:02:16,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 03:02:16,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:02:16,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2019-11-28 03:02:16,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:02:16,500 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-28 03:02:16,500 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 03:02:16,515 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:02:16,515 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 03:02:16,516 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2019-11-28 03:02:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:02:16,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-28 03:02:16,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:02:16,575 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 03:02:16,592 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-28 03:02:16,593 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 4 states. [2019-11-28 03:02:16,683 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 4 states. Result 39 states and 48 transitions. Complement of second has 7 states. [2019-11-28 03:02:16,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 03:02:16,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:02:16,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2019-11-28 03:02:16,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-28 03:02:16,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:02:16,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-28 03:02:16,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:02:16,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 6 letters. Loop has 8 letters. [2019-11-28 03:02:16,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:02:16,690 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 48 transitions. [2019-11-28 03:02:16,693 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:02:16,696 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 15 states and 18 transitions. [2019-11-28 03:02:16,697 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-28 03:02:16,698 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-28 03:02:16,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2019-11-28 03:02:16,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:02:16,699 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-11-28 03:02:16,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2019-11-28 03:02:16,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2019-11-28 03:02:16,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-28 03:02:16,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-11-28 03:02:16,722 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-28 03:02:16,722 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-28 03:02:16,722 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:02:16,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2019-11-28 03:02:16,723 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:02:16,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:02:16,723 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:02:16,724 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:02:16,724 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:02:16,724 INFO L794 eck$LassoCheckResult]: Stem: 199#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 195#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15.base, main_#t~ret15.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 196#L568 assume !(main_~length~0 < 1); 201#L568-2 assume !(main_~n~0 < 1); 204#L571-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_#in~src.base, cstpncpy_#in~src.offset, cstpncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstpncpy_#res.base, cstpncpy_#res.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset, cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, cstpncpy_#t~mem7, cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset, cstpncpy_#t~pre8, cstpncpy_#t~pre4, cstpncpy_~d~0.base, cstpncpy_~d~0.offset, cstpncpy_~s~0.base, cstpncpy_~s~0.offset, cstpncpy_#t~mem10.base, cstpncpy_#t~mem10.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, cstpncpy_~src.base, cstpncpy_~src.offset, cstpncpy_~n;call cstpncpy_~#dst.base, cstpncpy_~#dst.offset := #Ultimate.allocOnStack(8);call write~$Pointer$(cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 8);cstpncpy_~src.base, cstpncpy_~src.offset := cstpncpy_#in~src.base, cstpncpy_#in~src.offset;cstpncpy_~n := cstpncpy_#in~n; 207#L550 assume 0 != cstpncpy_~n % 4294967296;call cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 8);cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_~src.base, cstpncpy_~src.offset;call cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 8);call write~$Pointer$(cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset + cstpncpy_~n % 4294967296, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 8);havoc cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset; 205#L554-4 cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset := cstpncpy_~d~0.base, cstpncpy_~d~0.offset;cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~post5.base, 1 + cstpncpy_#t~post5.offset;cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset := cstpncpy_~s~0.base, cstpncpy_~s~0.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_#t~post6.base, 1 + cstpncpy_#t~post6.offset;call cstpncpy_#t~mem7 := read~int(cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, 1);call write~int(cstpncpy_#t~mem7, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, 1); 206#L555 assume 0 == cstpncpy_#t~mem7;havoc cstpncpy_#t~mem7;havoc cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset;havoc cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset;call write~$Pointer$(cstpncpy_~d~0.base, cstpncpy_~d~0.offset - 1, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 8); 203#L557-3 [2019-11-28 03:02:16,725 INFO L796 eck$LassoCheckResult]: Loop: 203#L557-3 cstpncpy_#t~pre8 := cstpncpy_~n - 1;cstpncpy_~n := cstpncpy_~n - 1; 202#L557-1 assume !!(0 != cstpncpy_#t~pre8 % 4294967296);havoc cstpncpy_#t~pre8;cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset := cstpncpy_~d~0.base, cstpncpy_~d~0.offset;cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~post9.base, 1 + cstpncpy_#t~post9.offset;call write~int(0, cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset, 1);havoc cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset; 203#L557-3 [2019-11-28 03:02:16,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:16,725 INFO L82 PathProgramCache]: Analyzing trace with hash 180427599, now seen corresponding path program 1 times [2019-11-28 03:02:16,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:16,725 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682437423] [2019-11-28 03:02:16,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:16,831 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:16,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:16,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2019-11-28 03:02:16,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:16,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758494720] [2019-11-28 03:02:16,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:16,858 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:16,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:16,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1592231764, now seen corresponding path program 1 times [2019-11-28 03:02:16,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:16,861 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381492427] [2019-11-28 03:02:16,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:16,929 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:21,783 WARN L192 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 235 DAG size of output: 210 [2019-11-28 03:02:21,813 INFO L404 ElimStorePlain]: Different costs {2=[|v_#memory_int_58|, |v_#memory_$Pointer$.base_52|, |v_#memory_$Pointer$.offset_53|], 4=[|v_#memory_$Pointer$.base_56|, |v_#memory_$Pointer$.offset_57|], 10=[|v_#memory_int_57|]} [2019-11-28 03:02:21,832 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 03:02:22,711 WARN L192 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-28 03:02:22,711 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:02:22,727 INFO L508 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 03:02:23,580 WARN L192 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-28 03:02:23,581 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:02:23,602 INFO L508 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 03:02:24,461 WARN L192 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-28 03:02:24,461 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:02:24,474 INFO L508 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 03:02:25,423 WARN L192 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-28 03:02:25,424 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:02:25,436 INFO L508 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 03:02:26,357 WARN L192 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-28 03:02:26,358 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:02:26,372 INFO L508 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 03:02:27,188 WARN L192 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-28 03:02:27,189 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:02:27,191 INFO L508 ElimStorePlain]: Start of recursive call 1: 6 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2019-11-28 03:02:27,191 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:409, output treesize:683 [2019-11-28 03:02:27,999 WARN L192 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-28 03:02:28,002 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:02:28,002 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:02:28,002 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:02:28,002 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:02:28,003 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:02:28,003 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:28,003 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:02:28,003 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:02:28,003 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca-2.i_Iteration2_Lasso [2019-11-28 03:02:28,004 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:02:28,004 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:02:28,010 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 03:02:28,028 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 03:02:28,030 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 03:02:28,032 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 03:02:28,040 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 03:02:28,042 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 03:02:28,043 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 03:02:28,046 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 03:02:28,047 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 03:02:28,050 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 03:02:28,052 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 03:02:28,055 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 03:02:28,057 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 03:02:28,059 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 03:02:28,061 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 03:02:28,064 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 03:02:28,066 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 03:02:28,069 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 03:02:28,077 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 03:02:28,080 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 03:02:28,089 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 03:02:28,097 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 03:02:28,098 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 03:02:28,100 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 03:02:28,103 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 03:02:28,105 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 03:02:28,107 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 03:02:28,971 WARN L192 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 103 [2019-11-28 03:02:29,153 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-11-28 03:02:29,154 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 03:02:29,156 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 03:02:29,643 WARN L192 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-11-28 03:02:29,862 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-11-28 03:02:30,256 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-28 03:02:30,528 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:02:30,528 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,536 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 03:02:30,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,541 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 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,564 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 03:02:30,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:30,568 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 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,573 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 03:02:30,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:30,578 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,588 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:30,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:30,594 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 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,600 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 03:02:30,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:30,604 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 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,609 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 03:02:30,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:30,614 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 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,620 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 03:02:30,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:30,624 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 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,639 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 03:02:30,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:30,644 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,650 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,653 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:30,653 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:30,656 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 37 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,662 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 03:02:30,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:30,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:30,669 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,676 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 03:02:30,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,681 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,687 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 03:02:30,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,693 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,699 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 03:02:30,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,705 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,715 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 03:02:30,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,721 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,727 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 03:02:30,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,732 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,738 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 03:02:30,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,742 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,761 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 03:02:30,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,765 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,773 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 03:02:30,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,778 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,784 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 03:02:30,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:30,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,795 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,804 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 03:02:30,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:30,822 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,835 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 03:02:30,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,844 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,852 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 03:02:30,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,858 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,867 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 03:02:30,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,873 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,886 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 03:02:30,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:30,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,903 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,914 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 03:02:30,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:30,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,923 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,932 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 03:02:30,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:30,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:30,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:30,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,938 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:30,947 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 03:02:30,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:30,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:30,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:30,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:30,979 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:30,979 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:31,039 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:02:31,138 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-28 03:02:31,138 INFO L444 ModelExtractionUtils]: 28 out of 55 variables were initially zero. Simplification set additionally 24 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:31,145 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:31,149 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:02:31,149 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:02:31,150 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2, ULTIMATE.start_cstpncpy_~d~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2 - 1*ULTIMATE.start_cstpncpy_~d~0.offset Supporting invariants [] [2019-11-28 03:02:31,306 INFO L297 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2019-11-28 03:02:31,310 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 03:02:31,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:02:31,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-28 03:02:31,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:02:31,413 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-28 03:02:31,413 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 03:02:31,421 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:02:31,421 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 03:02:31,421 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-11-28 03:02:31,454 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-28 03:02:31,455 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 03:02:31,460 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:02:31,460 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 03:02:31,461 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:5 [2019-11-28 03:02:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:02:31,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 03:02:31,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:02:31,477 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 03:02:31,477 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 1 loop predicates [2019-11-28 03:02:31,478 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 5 states. [2019-11-28 03:02:31,589 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 15 states and 19 transitions. Complement of second has 7 states. [2019-11-28 03:02:31,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 03:02:31,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 03:02:31,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2019-11-28 03:02:31,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-28 03:02:31,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:02:31,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 10 letters. Loop has 2 letters. [2019-11-28 03:02:31,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:02:31,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 8 letters. Loop has 4 letters. [2019-11-28 03:02:31,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:02:31,593 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-11-28 03:02:31,595 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:02:31,595 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-11-28 03:02:31,595 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:02:31,595 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:02:31,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:02:31,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:02:31,595 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:02:31,596 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:02:31,596 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:02:31,596 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:02:31,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:02:31,596 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:02:31,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:02:31,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:02:31 BoogieIcfgContainer [2019-11-28 03:02:31,604 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:02:31,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:02:31,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:02:31,606 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:02:31,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:09" (3/4) ... [2019-11-28 03:02:31,611 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:02:31,611 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:02:31,621 INFO L168 Benchmark]: Toolchain (without parser) took 23531.44 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 350.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -146.4 MB). Peak memory consumption was 204.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:02:31,621 INFO L168 Benchmark]: CDTParser took 0.29 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 03:02:31,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:02:31,623 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.47 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:02:31,623 INFO L168 Benchmark]: Boogie Preprocessor took 34.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:02:31,629 INFO L168 Benchmark]: RCFGBuilder took 465.63 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:02:31,629 INFO L168 Benchmark]: BuchiAutomizer took 22365.83 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 201.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -8.3 MB). Peak memory consumption was 193.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:02:31,629 INFO L168 Benchmark]: Witness Printer took 5.58 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:02:31,634 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 603.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.47 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 465.63 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 22365.83 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 201.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -8.3 MB). Peak memory consumption was 193.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.58 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] + -1 * d and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] + -1 * d and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 22.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 21.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 28 SDtfs, 32 SDslu, 27 SDs, 0 SdLazy, 24 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital569 mio100 ax103 hnf99 lsp95 ukn48 mio100 lsp47 div166 bol100 ite100 ukn100 eq178 hnf71 smp94 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...