./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-recursive-malloc/mutual_simple_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: 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 /storage/repos/svcomp/c/termination-recursive-malloc/mutual_simple_true-termination.c.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 b23842887bb783492886a6eb7113cc470799b443 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:24:07,713 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:24:07,717 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:24:07,738 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:24:07,739 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:24:07,740 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:24:07,741 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:24:07,743 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:24:07,745 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:24:07,745 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:24:07,746 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:24:07,747 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:24:07,748 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:24:07,749 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:24:07,750 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:24:07,751 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:24:07,751 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:24:07,753 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:24:07,755 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:24:07,757 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:24:07,758 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:24:07,760 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:24:07,762 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:24:07,763 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:24:07,763 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:24:07,764 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:24:07,765 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:24:07,766 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:24:07,767 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:24:07,768 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:24:07,768 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:24:07,769 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:24:07,769 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:24:07,770 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:24:07,774 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:24:07,775 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:24:07,776 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 23:24:07,806 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:24:07,807 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:24:07,808 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:24:07,809 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:24:07,809 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:24:07,809 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:24:07,809 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:24:07,809 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:24:07,810 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:24:07,810 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:24:07,810 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:24:07,810 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:24:07,811 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:24:07,811 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:24:07,811 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:24:07,811 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:24:07,811 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:24:07,812 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:24:07,812 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:24:07,813 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:24:07,813 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:24:07,813 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:24:07,813 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:24:07,813 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:24:07,814 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:24:07,815 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:24:07,815 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:24:07,815 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:24:07,817 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:24:07,817 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> b23842887bb783492886a6eb7113cc470799b443 [2018-11-28 23:24:07,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:24:07,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:24:07,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:24:07,872 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:24:07,872 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:24:07,873 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-recursive-malloc/mutual_simple_true-termination.c.i [2018-11-28 23:24:07,937 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36d65534/dda5f35156944c158559ad2cee4e5100/FLAGbcbde299f [2018-11-28 23:24:08,432 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:24:08,432 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-recursive-malloc/mutual_simple_true-termination.c.i [2018-11-28 23:24:08,440 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36d65534/dda5f35156944c158559ad2cee4e5100/FLAGbcbde299f [2018-11-28 23:24:08,774 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36d65534/dda5f35156944c158559ad2cee4e5100 [2018-11-28 23:24:08,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:24:08,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:24:08,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:24:08,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:24:08,786 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:24:08,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:24:08" (1/1) ... [2018-11-28 23:24:08,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6272bb4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:08, skipping insertion in model container [2018-11-28 23:24:08,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:24:08" (1/1) ... [2018-11-28 23:24:08,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:24:08,819 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:24:09,056 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:24:09,079 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:24:09,096 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:24:09,111 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:24:09,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:09 WrapperNode [2018-11-28 23:24:09,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:24:09,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:24:09,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:24:09,113 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:24:09,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:09" (1/1) ... [2018-11-28 23:24:09,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:09" (1/1) ... [2018-11-28 23:24:09,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:24:09,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:24:09,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:24:09,165 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:24:09,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:09" (1/1) ... [2018-11-28 23:24:09,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:09" (1/1) ... [2018-11-28 23:24:09,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:09" (1/1) ... [2018-11-28 23:24:09,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:09" (1/1) ... [2018-11-28 23:24:09,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:09" (1/1) ... [2018-11-28 23:24:09,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:09" (1/1) ... [2018-11-28 23:24:09,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:09" (1/1) ... [2018-11-28 23:24:09,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:24:09,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:24:09,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:24:09,188 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:24:09,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:09" (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 [2018-11-28 23:24:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 23:24:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:24:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 23:24:09,322 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 23:24:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 23:24:09,322 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 23:24:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:24:09,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:24:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 23:24:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 23:24:09,741 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:24:09,741 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-28 23:24:09,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:24:09 BoogieIcfgContainer [2018-11-28 23:24:09,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:24:09,743 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:24:09,744 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:24:09,748 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:24:09,749 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:24:09,749 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:24:08" (1/3) ... [2018-11-28 23:24:09,750 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@677e80af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:24:09, skipping insertion in model container [2018-11-28 23:24:09,751 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:24:09,751 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:09" (2/3) ... [2018-11-28 23:24:09,751 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@677e80af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:24:09, skipping insertion in model container [2018-11-28 23:24:09,751 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:24:09,752 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:24:09" (3/3) ... [2018-11-28 23:24:09,753 INFO L375 chiAutomizerObserver]: Analyzing ICFG mutual_simple_true-termination.c.i [2018-11-28 23:24:09,822 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:24:09,823 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:24:09,823 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:24:09,823 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:24:09,823 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:24:09,823 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:24:09,823 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:24:09,824 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:24:09,824 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:24:09,841 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-11-28 23:24:09,877 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-28 23:24:09,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:24:09,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:24:09,889 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-28 23:24:09,890 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:24:09,890 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:24:09,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-11-28 23:24:09,894 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-28 23:24:09,894 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:24:09,894 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:24:09,895 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-28 23:24:09,895 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:24:09,902 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 11#L-1true havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet6, main_~p1~0.base, main_~p1~0.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call write~int(main_#t~nondet6, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet6; 3#L37true call f(main_~p1~0.base, main_~p1~0.offset);< 14#fENTRYtrue [2018-11-28 23:24:09,902 INFO L796 eck$LassoCheckResult]: Loop: 14#fENTRYtrue ~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem1 := read~int(~q.base, ~q.offset, 4); 16#L13true assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem2 := read~int(~q.base, ~q.offset, 4);#t~post3 := #t~mem2;call write~int(#t~post3 - 1, ~q.base, ~q.offset, 4);havoc #t~mem2;havoc #t~post3; 10#L17true call g(~q.base, ~q.offset);< 13#gENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4); 4#L22true assume !(#t~mem4 < 0);havoc #t~mem4; 17#L25true call f(~p.base, ~p.offset);< 14#fENTRYtrue [2018-11-28 23:24:09,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:24:09,908 INFO L82 PathProgramCache]: Analyzing trace with hash 43767, now seen corresponding path program 1 times [2018-11-28 23:24:09,910 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:24:09,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:24:09,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:24:09,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:24:09,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:24:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:24:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:24:10,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:24:10,040 INFO L82 PathProgramCache]: Analyzing trace with hash 891860259, now seen corresponding path program 1 times [2018-11-28 23:24:10,040 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:24:10,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:24:10,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:24:10,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:24:10,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:24:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:24:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:24:10,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:24:10,083 INFO L82 PathProgramCache]: Analyzing trace with hash -306262119, now seen corresponding path program 1 times [2018-11-28 23:24:10,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:24:10,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:24:10,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:24:10,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:24:10,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:24:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:24:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:24:10,265 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-28 23:24:10,523 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-11-28 23:24:10,670 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-28 23:24:10,835 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-11-28 23:24:11,199 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2018-11-28 23:24:11,490 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2018-11-28 23:24:11,715 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-11-28 23:24:11,924 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-11-28 23:24:11,936 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:24:11,937 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:24:11,937 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:24:11,937 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:24:11,938 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:24:11,938 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:24:11,938 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:24:11,938 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:24:11,938 INFO L131 ssoRankerPreferences]: Filename of dumped script: mutual_simple_true-termination.c.i_Iteration1_Lasso [2018-11-28 23:24:11,939 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:24:11,939 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:24:11,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:11,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:12,606 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:24:12,612 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:24:12,614 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,616 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,616 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:12,617 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,617 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,617 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,620 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:12,620 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:12,623 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,624 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,624 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,625 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:12,625 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,625 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,625 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,626 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:12,626 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:12,627 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,627 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,628 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,628 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:12,628 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,629 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,629 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,629 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:12,629 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:12,630 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,631 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,631 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,632 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,632 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,632 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,635 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:24:12,635 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:24:12,640 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,640 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,641 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,641 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:12,641 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,641 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,642 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,642 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:12,642 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:12,643 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,644 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,644 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,644 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:12,645 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,645 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,645 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,646 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:12,648 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:12,649 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,650 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,650 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,650 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:12,655 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,655 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,655 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,656 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:12,656 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:12,657 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,657 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,658 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,658 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:12,658 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,659 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,664 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,664 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:12,665 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:12,666 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,666 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,669 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,669 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:12,669 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,670 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,670 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,670 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:12,670 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:12,675 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,675 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,676 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,676 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,676 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,676 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,679 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:24:12,682 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:24:12,692 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,694 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,695 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,695 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:12,695 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,696 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,697 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,697 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:12,697 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:12,699 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,699 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,700 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,700 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:12,700 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,701 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,701 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,702 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:12,702 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:12,703 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,707 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,708 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,708 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:12,708 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,708 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,709 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,710 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:12,710 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:12,711 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,717 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,718 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,719 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:12,719 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,719 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,719 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,720 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:12,720 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:12,723 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,725 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,725 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,726 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:12,726 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,726 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,726 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,727 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:12,727 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:12,728 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,729 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,731 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,732 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:12,732 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,732 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,732 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,736 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:12,736 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:12,739 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,740 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,741 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,742 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:12,742 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,742 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,742 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,743 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:12,743 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:12,750 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,750 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,755 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,755 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:12,756 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,756 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,756 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,756 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:12,757 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:12,758 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,758 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,759 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,759 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:12,759 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,759 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,762 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,762 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:12,763 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:12,764 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,764 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,769 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,769 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,769 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,769 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,773 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:24:12,775 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:24:12,805 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,805 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,808 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,808 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-28 23:24:12,809 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,809 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,811 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 23:24:12,812 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:24:12,831 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,832 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,832 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,833 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,833 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,833 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,834 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:24:12,834 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:24:12,838 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:12,841 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:12,842 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:12,842 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:12,842 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:12,842 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:12,847 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:24:12,847 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:24:12,897 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:24:12,913 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:24:12,913 INFO L444 ModelExtractionUtils]: 7 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 23:24:12,916 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:24:12,917 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 23:24:12,918 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:24:12,919 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1) = 1*v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1 Supporting invariants [] [2018-11-28 23:24:12,956 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2018-11-28 23:24:12,977 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 23:24:13,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:24:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:24:13,173 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:24:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:24:13,227 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:24:13,300 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 23:24:13,306 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 28 [2018-11-28 23:24:13,329 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 23:24:13,330 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2018-11-28 23:24:13,331 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 23:24:13,334 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 23:24:13,337 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 23:24:13,338 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:9 [2018-11-28 23:24:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:24:13,482 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2018-11-28 23:24:13,484 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 7 states. [2018-11-28 23:24:13,984 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 7 states. Result 47 states and 53 transitions. Complement of second has 22 states. [2018-11-28 23:24:13,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2018-11-28 23:24:13,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-28 23:24:13,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. [2018-11-28 23:24:13,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 6 letters. [2018-11-28 23:24:13,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:24:13,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 9 letters. Loop has 6 letters. [2018-11-28 23:24:13,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:24:13,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 12 letters. [2018-11-28 23:24:13,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:24:13,995 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 53 transitions. [2018-11-28 23:24:14,000 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:24:14,003 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 0 states and 0 transitions. [2018-11-28 23:24:14,004 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:24:14,005 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:24:14,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:24:14,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:24:14,006 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:24:14,006 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:24:14,006 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:24:14,006 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:24:14,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:24:14,006 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:24:14,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:24:14,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:24:14 BoogieIcfgContainer [2018-11-28 23:24:14,013 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:24:14,014 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:24:14,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:24:14,014 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:24:14,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:24:09" (3/4) ... [2018-11-28 23:24:14,019 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:24:14,019 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:24:14,020 INFO L168 Benchmark]: Toolchain (without parser) took 5240.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 951.3 MB in the beginning and 910.0 MB in the end (delta: 41.3 MB). Peak memory consumption was 188.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:24:14,021 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:24:14,022 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.25 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:24:14,023 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.31 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:24:14,023 INFO L168 Benchmark]: Boogie Preprocessor took 22.57 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:24:14,024 INFO L168 Benchmark]: RCFGBuilder took 554.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:24:14,025 INFO L168 Benchmark]: BuchiAutomizer took 4270.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.0 MB in the end (delta: 212.2 MB). Peak memory consumption was 212.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:24:14,026 INFO L168 Benchmark]: Witness Printer took 5.22 ms. Allocated memory is still 1.2 GB. Free memory is still 910.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:24:14,031 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 331.25 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.31 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.57 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 554.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4270.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.0 MB in the end (delta: 212.2 MB). Peak memory consumption was 212.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.22 ms. Allocated memory is still 1.2 GB. Free memory is still 910.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[q][q] and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.2s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 11 SDslu, 20 SDs, 0 SdLazy, 64 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital107 mio100 ax100 hnf100 lsp94 ukn62 mio100 lsp42 div100 bol100 ite100 ukn100 eq144 hnf92 smp91 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...