./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.09_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_749df20d-487f-47fe-a317-9118c1b46bc7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_749df20d-487f-47fe-a317-9118c1b46bc7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_749df20d-487f-47fe-a317-9118c1b46bc7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_749df20d-487f-47fe-a317-9118c1b46bc7/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.09_assume-alloca.i -s /tmp/vcloud-vcloud-master/worker/working_dir_749df20d-487f-47fe-a317-9118c1b46bc7/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_749df20d-487f-47fe-a317-9118c1b46bc7/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash df4500f5696d99ca846c8b1d02ff521622ca4836 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:29,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:29,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:29,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:29,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:29,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:29,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:29,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:29,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:29,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:29,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:29,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:29,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:29,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:29,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:29,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:29,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:29,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:29,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:29,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:29,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:29,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:29,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:29,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:29,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:29,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:29,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:29,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:29,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:29,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:29,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:29,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:29,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:29,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:29,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:29,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:29,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:29,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:29,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:29,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:29,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:29,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_749df20d-487f-47fe-a317-9118c1b46bc7/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-10-22 08:56:29,773 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:29,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:29,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:29,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:29,774 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:29,775 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:56:29,775 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:56:29,775 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:56:29,775 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:56:29,775 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:56:29,779 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:56:29,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:29,779 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:56:29,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:29,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:29,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:56:29,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:56:29,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:56:29,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:29,784 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:56:29,784 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:29,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:56:29,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:29,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:29,785 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:56:29,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:29,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:29,785 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:56:29,786 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:56:29,786 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_749df20d-487f-47fe-a317-9118c1b46bc7/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df4500f5696d99ca846c8b1d02ff521622ca4836 [2019-10-22 08:56:29,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:29,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:29,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:29,840 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:29,840 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:29,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_749df20d-487f-47fe-a317-9118c1b46bc7/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/a.09_assume-alloca.i [2019-10-22 08:56:29,898 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_749df20d-487f-47fe-a317-9118c1b46bc7/bin/uautomizer/data/89f75a5bf/f97bff6f7e38467399eeb6c598b0a051/FLAGf0f0bfa17 [2019-10-22 08:56:30,354 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:30,355 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_749df20d-487f-47fe-a317-9118c1b46bc7/sv-benchmarks/c/termination-memory-alloca/a.09_assume-alloca.i [2019-10-22 08:56:30,365 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_749df20d-487f-47fe-a317-9118c1b46bc7/bin/uautomizer/data/89f75a5bf/f97bff6f7e38467399eeb6c598b0a051/FLAGf0f0bfa17 [2019-10-22 08:56:30,862 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_749df20d-487f-47fe-a317-9118c1b46bc7/bin/uautomizer/data/89f75a5bf/f97bff6f7e38467399eeb6c598b0a051 [2019-10-22 08:56:30,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:30,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:30,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:30,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:30,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:30,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:30" (1/1) ... [2019-10-22 08:56:30,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a956d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:30, skipping insertion in model container [2019-10-22 08:56:30,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:30" (1/1) ... [2019-10-22 08:56:30,882 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:30,915 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:31,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:31,242 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:31,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:31,331 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:31,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31 WrapperNode [2019-10-22 08:56:31,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:31,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:31,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:31,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:31,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:31,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:31,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:31,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:31,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:31,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:31,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:31,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:31,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_749df20d-487f-47fe-a317-9118c1b46bc7/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:56:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:56:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:56:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:31,656 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:31,656 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:56:31,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:31 BoogieIcfgContainer [2019-10-22 08:56:31,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:31,658 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:56:31,658 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:56:31,662 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:56:31,663 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:31,663 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:56:30" (1/3) ... [2019-10-22 08:56:31,664 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4dd35130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:31, skipping insertion in model container [2019-10-22 08:56:31,664 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:31,664 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (2/3) ... [2019-10-22 08:56:31,664 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4dd35130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:31, skipping insertion in model container [2019-10-22 08:56:31,664 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:31,664 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:31" (3/3) ... [2019-10-22 08:56:31,666 INFO L371 chiAutomizerObserver]: Analyzing ICFG a.09_assume-alloca.i [2019-10-22 08:56:31,717 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:56:31,717 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:56:31,717 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:56:31,718 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:31,718 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:31,718 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:56:31,718 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:31,718 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:56:31,733 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-10-22 08:56:31,755 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-10-22 08:56:31,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:31,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:31,763 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-10-22 08:56:31,763 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-10-22 08:56:31,763 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:56:31,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-10-22 08:56:31,765 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-10-22 08:56:31,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:31,765 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:31,765 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-10-22 08:56:31,765 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-10-22 08:56:31,773 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet17, main_#t~nondet18, main_#t~nondet19;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~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~short11, test_fun_#t~mem16, test_fun_~x, test_fun_~y, test_fun_~z, 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_~z_ref~0.base, test_fun_~z_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;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 test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.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 write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 11#L555true assume !(test_fun_#t~mem5 <= 0);havoc test_fun_#t~mem5; 5#L558-5true [2019-10-22 08:56:31,774 INFO L793 eck$LassoCheckResult]: Loop: 5#L558-5true call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short11 := test_fun_#t~mem7 >= test_fun_#t~mem8; 8#L558-1true assume !test_fun_#t~short11; 12#L558-3true assume !!test_fun_#t~short11;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~short11;havoc test_fun_#t~mem9;havoc test_fun_#t~mem10;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 14#L559true assume !(test_fun_#t~mem12 <= 0);havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem14 + test_fun_#t~mem15, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem14;havoc test_fun_#t~mem15; 5#L558-5true [2019-10-22 08:56:31,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:31,780 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-10-22 08:56:31,788 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:31,788 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362067999] [2019-10-22 08:56:31,788 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:31,789 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:31,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:31,968 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:31,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:31,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1298091, now seen corresponding path program 1 times [2019-10-22 08:56:31,970 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:31,970 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253589412] [2019-10-22 08:56:31,970 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:31,970 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:31,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:32,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:32,028 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253589412] [2019-10-22 08:56:32,029 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:32,029 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:32,029 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220714670] [2019-10-22 08:56:32,034 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 08:56:32,035 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:32,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:32,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:32,053 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2019-10-22 08:56:32,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:32,079 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2019-10-22 08:56:32,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:32,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2019-10-22 08:56:32,083 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-10-22 08:56:32,086 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 7 states and 7 transitions. [2019-10-22 08:56:32,088 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-10-22 08:56:32,088 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-10-22 08:56:32,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 7 transitions. [2019-10-22 08:56:32,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:56:32,089 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-10-22 08:56:32,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 7 transitions. [2019-10-22 08:56:32,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-10-22 08:56:32,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-10-22 08:56:32,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-10-22 08:56:32,116 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-10-22 08:56:32,116 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-10-22 08:56:32,116 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:56:32,116 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 7 transitions. [2019-10-22 08:56:32,117 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-10-22 08:56:32,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:32,117 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:32,117 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-10-22 08:56:32,117 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-10-22 08:56:32,118 INFO L791 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 34#L-1 havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet17, main_#t~nondet18, main_#t~nondet19;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~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~short11, test_fun_#t~mem16, test_fun_~x, test_fun_~y, test_fun_~z, 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_~z_ref~0.base, test_fun_~z_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;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 test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.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 write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 35#L555 assume !(test_fun_#t~mem5 <= 0);havoc test_fun_#t~mem5; 36#L558-5 [2019-10-22 08:56:32,118 INFO L793 eck$LassoCheckResult]: Loop: 36#L558-5 call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short11 := test_fun_#t~mem7 >= test_fun_#t~mem8; 37#L558-1 assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short11 := test_fun_#t~mem10 <= 2147483647 - test_fun_#t~mem9; 39#L558-3 assume !!test_fun_#t~short11;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~short11;havoc test_fun_#t~mem9;havoc test_fun_#t~mem10;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 40#L559 assume !(test_fun_#t~mem12 <= 0);havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem14 + test_fun_#t~mem15, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem14;havoc test_fun_#t~mem15; 36#L558-5 [2019-10-22 08:56:32,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:32,118 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2019-10-22 08:56:32,119 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:32,119 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134942741] [2019-10-22 08:56:32,119 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,119 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:32,161 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:32,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:32,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1296169, now seen corresponding path program 1 times [2019-10-22 08:56:32,162 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:32,162 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749656343] [2019-10-22 08:56:32,162 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,162 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:32,193 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:32,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:32,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1806905932, now seen corresponding path program 1 times [2019-10-22 08:56:32,194 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:32,194 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656602983] [2019-10-22 08:56:32,194 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,194 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:32,291 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:32,478 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-10-22 08:56:32,917 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2019-10-22 08:56:33,059 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-10-22 08:56:33,071 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:33,072 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:33,072 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:33,072 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:33,073 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:56:33,073 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:33,074 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:33,074 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:33,074 INFO L131 ssoRankerPreferences]: Filename of dumped script: a.09_assume-alloca.i_Iteration2_Lasso [2019-10-22 08:56:33,074 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:33,074 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:33,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,554 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-10-22 08:56:33,700 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-10-22 08:56:33,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:33,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:34,344 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-10-22 08:56:34,442 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:34,446 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:56:34,448 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 [2019-10-22 08:56:34,450 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,450 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,451 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,451 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,451 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,453 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,453 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,455 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,456 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 [2019-10-22 08:56:34,456 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,456 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,457 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,457 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,457 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,457 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,457 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,458 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,459 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 [2019-10-22 08:56:34,459 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,459 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,459 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,460 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,460 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,460 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,460 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:34,462 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,462 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,462 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,462 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,463 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,463 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,463 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,464 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,464 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 [2019-10-22 08:56:34,464 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,465 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,465 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,465 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,465 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,465 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,465 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,466 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,466 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 [2019-10-22 08:56:34,467 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,467 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,467 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,467 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,467 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,468 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,468 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,469 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 [2019-10-22 08:56:34,469 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,470 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,470 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,470 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,470 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,470 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,471 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,471 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,472 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 [2019-10-22 08:56:34,472 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,472 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,472 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,472 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,474 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:34,474 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:56:34,477 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,477 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 [2019-10-22 08:56:34,478 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,478 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,478 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,478 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,478 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,479 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,479 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,480 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 [2019-10-22 08:56:34,480 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,481 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,481 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,481 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,481 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,481 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,482 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,482 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,483 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 [2019-10-22 08:56:34,483 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,483 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,484 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,484 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,484 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,484 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,484 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,485 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,486 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 [2019-10-22 08:56:34,486 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,486 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,486 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,487 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,488 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:34,488 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:56:34,490 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,491 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 [2019-10-22 08:56:34,491 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,491 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,492 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,492 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,493 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:34,493 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:56:34,496 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,497 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 [2019-10-22 08:56:34,497 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,498 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,498 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,498 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,499 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:34,499 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:56:34,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,502 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 [2019-10-22 08:56:34,503 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,503 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,503 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,503 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,503 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,504 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,504 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,505 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 [2019-10-22 08:56:34,505 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,505 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,506 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,506 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,506 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,506 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,506 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,507 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,507 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 [2019-10-22 08:56:34,508 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,508 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:34,508 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,509 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,509 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,509 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:34,509 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:34,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:34,510 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 [2019-10-22 08:56:34,511 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:34,511 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:34,511 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:34,512 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:34,517 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:34,517 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:56:34,570 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:56:34,611 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-10-22 08:56:34,611 INFO L444 ModelExtractionUtils]: 35 out of 40 variables were initially zero. Simplification set additionally 2 variables to zero. [2019-10-22 08:56:34,613 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:56:34,614 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-10-22 08:56:34,615 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:56:34,615 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1 + 4294967293 Supporting invariants [] [2019-10-22 08:56:34,682 INFO L297 tatePredicateManager]: 24 out of 24 supporting invariants were superfluous and have been removed [2019-10-22 08:56:34,689 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 08:56:34,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:34,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:56:34,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:34,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 08:56:34,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:34,754 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:56:34,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:34,804 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-10-22 08:56:34,805 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 7 transitions. cyclomatic complexity: 1 Second operand 5 states. [2019-10-22 08:56:34,857 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 7 transitions. cyclomatic complexity: 1. Second operand 5 states. Result 11 states and 12 transitions. Complement of second has 8 states. [2019-10-22 08:56:34,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-10-22 08:56:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-10-22 08:56:34,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2019-10-22 08:56:34,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 3 letters. Loop has 4 letters. [2019-10-22 08:56:34,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:34,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 7 letters. Loop has 4 letters. [2019-10-22 08:56:34,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:34,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 3 letters. Loop has 8 letters. [2019-10-22 08:56:34,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:34,861 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2019-10-22 08:56:34,861 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:56:34,861 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2019-10-22 08:56:34,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:56:34,862 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:56:34,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:56:34,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:56:34,862 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:34,862 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:34,862 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:34,862 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 08:56:34,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:56:34,862 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:56:34,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:56:34,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:56:34 BoogieIcfgContainer [2019-10-22 08:56:34,868 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:56:34,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:34,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:34,869 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:34,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:31" (3/4) ... [2019-10-22 08:56:34,874 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:56:34,874 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:34,875 INFO L168 Benchmark]: Toolchain (without parser) took 4008.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 939.1 MB in the beginning and 874.9 MB in the end (delta: 64.2 MB). Peak memory consumption was 201.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:34,875 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:34,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -180.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:34,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.34 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. [2019-10-22 08:56:34,877 INFO L168 Benchmark]: Boogie Preprocessor took 24.91 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:34,877 INFO L168 Benchmark]: RCFGBuilder took 256.96 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:34,878 INFO L168 Benchmark]: BuchiAutomizer took 3210.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 874.9 MB in the end (delta: 216.7 MB). Peak memory consumption was 216.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:34,878 INFO L168 Benchmark]: Witness Printer took 5.44 ms. Allocated memory is still 1.2 GB. Free memory is still 874.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:34,881 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 464.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -180.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.34 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 24.91 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 256.96 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3210.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 874.9 MB in the end (delta: 216.7 MB). Peak memory consumption was 216.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.44 ms. Allocated memory is still 1.2 GB. Free memory is still 874.9 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[z_ref][z_ref] + 4294967293 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 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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 7 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 4 SDslu, 9 SDs, 0 SdLazy, 15 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital304 mio100 ax105 hnf100 lsp91 ukn67 mio100 lsp34 div100 bol100 ite100 ukn100 eq194 hnf87 smp100 dnf293 smp92 tf100 neg92 sie126 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 5ms 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...