./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.03-no-inv_assume-alloca.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/b.03-no-inv_assume-alloca.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 e1996219c6dbc0f4aa6a0486eb748fdb92fa73f6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 03:00:58,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:00:58,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:00:58,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:00:58,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:00:58,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:00:58,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:00:58,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:00:58,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:00:58,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:00:58,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:00:58,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:00:58,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:00:58,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:00:58,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:00:58,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:00:58,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:00:58,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:00:58,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:00:58,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:00:58,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:00:58,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:00:58,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:00:58,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:00:58,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:00:58,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:00:58,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:00:58,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:00:58,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:00:58,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:00:58,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:00:58,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:00:58,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:00:58,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:00:58,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:00:58,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:00:58,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:00:58,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:00:58,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:00:58,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:00:58,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:00:58,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 03:00:58,822 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:00:58,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:00:58,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:00:58,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:00:58,824 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:00:58,824 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:00:58,825 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:00:58,825 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:00:58,825 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:00:58,825 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:00:58,826 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:00:58,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:00:58,826 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:00:58,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:00:58,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:00:58,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:00:58,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:00:58,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:00:58,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:00:58,828 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:00:58,828 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:00:58,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:00:58,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:00:58,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:00:58,829 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:00:58,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:00:58,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:00:58,829 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:00:58,831 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:00:58,831 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 -> e1996219c6dbc0f4aa6a0486eb748fdb92fa73f6 [2019-11-28 03:00:59,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:00:59,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:00:59,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:00:59,172 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:00:59,173 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:00:59,175 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.03-no-inv_assume-alloca.i [2019-11-28 03:00:59,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b574d0e/bd80aeba7f1a4869908a96c22047f321/FLAG89f58f000 [2019-11-28 03:00:59,733 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:00:59,734 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.03-no-inv_assume-alloca.i [2019-11-28 03:00:59,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b574d0e/bd80aeba7f1a4869908a96c22047f321/FLAG89f58f000 [2019-11-28 03:01:00,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b574d0e/bd80aeba7f1a4869908a96c22047f321 [2019-11-28 03:01:00,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:01:00,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:01:00,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:01:00,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:01:00,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:01:00,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:00" (1/1) ... [2019-11-28 03:01:00,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7f4e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:00, skipping insertion in model container [2019-11-28 03:01:00,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:00" (1/1) ... [2019-11-28 03:01:00,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:01:00,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:01:00,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:01:00,512 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:01:00,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:01:00,635 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:01:00,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:00 WrapperNode [2019-11-28 03:01:00,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:01:00,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:01:00,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:01:00,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:01:00,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:00" (1/1) ... [2019-11-28 03:01:00,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:00" (1/1) ... [2019-11-28 03:01:00,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:01:00,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:01:00,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:01:00,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:01:00,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:00" (1/1) ... [2019-11-28 03:01:00,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:00" (1/1) ... [2019-11-28 03:01:00,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:00" (1/1) ... [2019-11-28 03:01:00,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:00" (1/1) ... [2019-11-28 03:01:00,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:00" (1/1) ... [2019-11-28 03:01:00,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:00" (1/1) ... [2019-11-28 03:01:00,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:00" (1/1) ... [2019-11-28 03:01:00,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:01:00,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:01:00,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:01:00,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:01:00,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:00" (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 03:01:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:01:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:01:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:01:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:01:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:01:00,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:01:01,205 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:01:01,206 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 03:01:01,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:01 BoogieIcfgContainer [2019-11-28 03:01:01,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:01:01,209 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:01:01,209 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:01:01,214 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:01:01,215 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:01:01,216 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:01:00" (1/3) ... [2019-11-28 03:01:01,217 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54ea38c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:01:01, skipping insertion in model container [2019-11-28 03:01:01,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:01:01,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:00" (2/3) ... [2019-11-28 03:01:01,219 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54ea38c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:01:01, skipping insertion in model container [2019-11-28 03:01:01,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:01:01,219 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:01" (3/3) ... [2019-11-28 03:01:01,221 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.03-no-inv_assume-alloca.i [2019-11-28 03:01:01,287 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:01:01,287 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:01:01,288 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:01:01,288 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:01:01,290 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:01:01,290 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:01:01,290 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:01:01,290 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:01:01,310 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 03:01:01,337 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:01:01,337 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:01,337 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:01,346 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 03:01:01,346 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:01:01,346 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:01:01,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 03:01:01,350 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:01:01,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:01,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:01,351 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 03:01:01,351 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:01:01,360 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem9, test_fun_#t~mem8, test_fun_#t~short10, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 4#L553true assume !(test_fun_#t~mem4 <= 0);havoc test_fun_#t~mem4; 8#L556-5true [2019-11-28 03:01:01,361 INFO L796 eck$LassoCheckResult]: Loop: 8#L556-5true call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 11#L556-1true assume !test_fun_#t~short10; 5#L556-3true assume !!test_fun_#t~short10;havoc test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 + test_fun_#t~mem12, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11; 8#L556-5true [2019-11-28 03:01:01,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:01,368 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-28 03:01:01,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:01,377 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804603791] [2019-11-28 03:01:01,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:01,533 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:01,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:01,534 INFO L82 PathProgramCache]: Analyzing trace with hash 41873, now seen corresponding path program 1 times [2019-11-28 03:01:01,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:01,535 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497122094] [2019-11-28 03:01:01,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:01,599 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 03:01:01,600 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497122094] [2019-11-28 03:01:01,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:01:01,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 03:01:01,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646362075] [2019-11-28 03:01:01,607 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:01:01,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:01:01,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:01:01,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:01:01,628 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2019-11-28 03:01:01,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:01:01,668 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2019-11-28 03:01:01,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:01:01,671 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2019-11-28 03:01:01,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:01:01,679 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 6 states and 6 transitions. [2019-11-28 03:01:01,681 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-11-28 03:01:01,681 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-11-28 03:01:01,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2019-11-28 03:01:01,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:01:01,682 INFO L688 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-11-28 03:01:01,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2019-11-28 03:01:01,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-11-28 03:01:01,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-28 03:01:01,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-11-28 03:01:01,707 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-11-28 03:01:01,707 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-11-28 03:01:01,707 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:01:01,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2019-11-28 03:01:01,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:01:01,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:01,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:01,708 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 03:01:01,708 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:01:01,709 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 32#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem9, test_fun_#t~mem8, test_fun_#t~short10, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 33#L553 assume !(test_fun_#t~mem4 <= 0);havoc test_fun_#t~mem4; 34#L556-5 [2019-11-28 03:01:01,709 INFO L796 eck$LassoCheckResult]: Loop: 34#L556-5 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 37#L556-1 assume test_fun_#t~short10;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem9 <= 2147483647 - test_fun_#t~mem8; 35#L556-3 assume !!test_fun_#t~short10;havoc test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 + test_fun_#t~mem12, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11; 34#L556-5 [2019-11-28 03:01:01,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:01,709 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2019-11-28 03:01:01,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:01,710 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602540013] [2019-11-28 03:01:01,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:01,766 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:01,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:01,767 INFO L82 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 1 times [2019-11-28 03:01:01,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:01,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695672657] [2019-11-28 03:01:01,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:01,802 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:01,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:01,803 INFO L82 PathProgramCache]: Analyzing trace with hash 889571280, now seen corresponding path program 1 times [2019-11-28 03:01:01,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:01,803 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165388824] [2019-11-28 03:01:01,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:01,909 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:02,208 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2019-11-28 03:01:02,566 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2019-11-28 03:01:02,678 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-11-28 03:01:02,693 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:01:02,694 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:01:02,694 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:01:02,694 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:01:02,694 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:01:02,694 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:02,695 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:01:02,695 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:01:02,695 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.03-no-inv_assume-alloca.i_Iteration2_Lasso [2019-11-28 03:01:02,695 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:01:02,696 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:01:02,721 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 03:01:02,728 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 03:01:02,732 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 03:01:02,736 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 03:01:02,739 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 03:01:02,743 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 03:01:02,747 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 03:01:02,751 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 03:01:02,755 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 03:01:02,757 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 03:01:02,762 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 03:01:02,765 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 03:01:02,768 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 03:01:02,771 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 03:01:02,774 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 03:01:02,777 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 03:01:02,781 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 03:01:03,023 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-11-28 03:01:03,127 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 03:01:03,131 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 03:01:03,610 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:01:03,618 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) [2019-11-28 03:01:03,632 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 03:01:03,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:03,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:03,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:03,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:03,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:03,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:03,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:03,644 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:03,657 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 03:01:03,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:03,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:03,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:03,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:03,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:03,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:03,662 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 03:01:03,665 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) [2019-11-28 03:01:03,679 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 03:01:03,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:03,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:03,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:03,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:03,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:03,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:03,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:03,685 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 03:01:03,702 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 03:01:03,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:03,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:03,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:03,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:03,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:03,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:03,707 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 03:01:03,711 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:03,733 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 03:01:03,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:03,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:03,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:03,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:03,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:03,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:03,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:03,742 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 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 03:01:03,753 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 03:01:03,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:03,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:03,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:03,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:03,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:03,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:03,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:03,767 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) [2019-11-28 03:01:03,787 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 03:01:03,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:03,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:03,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:03,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:03,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:03,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:03,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:03,795 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:03,817 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 03:01:03,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:03,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:03,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:03,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:03,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:03,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:03,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:03,826 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) [2019-11-28 03:01:03,843 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:03,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:03,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:03,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:03,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:03,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:03,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:03,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:03,857 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 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 03:01:03,911 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 03:01:03,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:03,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:03,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:03,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:03,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:03,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:03,924 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) [2019-11-28 03:01:03,947 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 03:01:03,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:03,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:03,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:03,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:03,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:03,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:03,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:03,955 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 03:01:03,964 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 03:01:03,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:03,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:03,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:03,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:03,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:03,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:03,975 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) [2019-11-28 03:01:03,991 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 03:01:03,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:03,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:03,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:03,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:03,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:03,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:04,011 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:04,030 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 03:01:04,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:04,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:04,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:04,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:04,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:04,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:04,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:04,039 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:04,055 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 03:01:04,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:04,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:04,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:04,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:04,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:04,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:04,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:04,061 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:04,079 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 03:01:04,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:04,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:04,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:04,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:04,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:04,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:04,091 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:04,106 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 03:01:04,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:04,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:04,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:04,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:04,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:04,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:04,137 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:01:04,238 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-28 03:01:04,238 INFO L444 ModelExtractionUtils]: 21 out of 28 variables were initially zero. Simplification set additionally 2 variables to zero. 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 03:01:04,284 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:01:04,290 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-28 03:01:04,290 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:01:04,291 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 2147483647 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 - 1 >= 0] [2019-11-28 03:01:04,336 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2019-11-28 03:01:04,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:01:04,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:04,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:01:04,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:04,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 03:01:04,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:04,454 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:04,514 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:04,574 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 03:01:04,579 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-28 03:01:04,580 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand 5 states. [2019-11-28 03:01:04,692 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. Second operand 5 states. Result 9 states and 10 transitions. Complement of second has 7 states. [2019-11-28 03:01:04,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:01:04,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 03:01:04,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2019-11-28 03:01:04,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 3 letters. [2019-11-28 03:01:04,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:04,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-28 03:01:04,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:04,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 6 letters. [2019-11-28 03:01:04,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:04,701 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2019-11-28 03:01:04,703 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:01:04,703 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2019-11-28 03:01:04,703 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:01:04,703 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:01:04,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:01:04,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:01:04,704 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:01:04,704 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:01:04,704 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:01:04,704 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:01:04,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:01:04,705 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:01:04,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:01:04,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:01:04 BoogieIcfgContainer [2019-11-28 03:01:04,712 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:01:04,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:01:04,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:01:04,714 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:01:04,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:01" (3/4) ... [2019-11-28 03:01:04,719 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:01:04,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:01:04,722 INFO L168 Benchmark]: Toolchain (without parser) took 4658.86 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.8 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -148.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:04,722 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:01:04,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:04,731 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.48 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 03:01:04,732 INFO L168 Benchmark]: Boogie Preprocessor took 27.88 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:04,732 INFO L168 Benchmark]: RCFGBuilder took 488.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:04,733 INFO L168 Benchmark]: BuchiAutomizer took 3503.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 82.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -14.0 MB). Peak memory consumption was 68.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:04,734 INFO L168 Benchmark]: Witness Printer took 5.60 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:01:04,740 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 573.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.88 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 488.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3503.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 82.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -14.0 MB). Peak memory consumption was 68.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.60 ms. Allocated memory is still 1.3 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 #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[y_ref][y_ref] + 2147483647 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 1 SDslu, 8 SDs, 0 SdLazy, 13 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital196 mio100 ax109 hnf100 lsp88 ukn69 mio100 lsp36 div100 bol100 ite100 ukn100 eq191 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 64ms 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...