./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/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 76734cd11c33a85b413392e9940357c680656079 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:08:42,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:08:42,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:08:42,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:08:42,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:08:42,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:08:42,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:08:42,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:08:42,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:08:42,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:08:42,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:08:42,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:08:42,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:08:42,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:08:42,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:08:42,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:08:42,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:08:42,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:08:42,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:08:42,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:08:42,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:08:42,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:08:42,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:08:42,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:08:42,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:08:42,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:08:42,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:08:42,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:08:42,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:08:42,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:08:42,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:08:42,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:08:42,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:08:42,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:08:42,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:08:42,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:08:42,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:08:42,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:08:42,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:08:42,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:08:42,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:08:42,747 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 09:08:42,772 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:08:42,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:08:42,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:08:42,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:08:42,783 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:08:42,784 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 09:08:42,784 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 09:08:42,784 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 09:08:42,784 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 09:08:42,785 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 09:08:42,785 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 09:08:42,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:08:42,785 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 09:08:42,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:08:42,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:08:42,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 09:08:42,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 09:08:42,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 09:08:42,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:08:42,789 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 09:08:42,789 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:08:42,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 09:08:42,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:08:42,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:08:42,790 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 09:08:42,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:08:42,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:08:42,792 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 09:08:42,793 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 09:08:42,793 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/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/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 -> 76734cd11c33a85b413392e9940357c680656079 [2019-11-20 09:08:42,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:08:42,947 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:08:42,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:08:42,951 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:08:42,951 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:08:42,952 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i [2019-11-20 09:08:43,010 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/data/dec428e4d/2da60acb6bd04b0e8116623f22f9b7cc/FLAGeb92d7723 [2019-11-20 09:08:43,423 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:08:43,424 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i [2019-11-20 09:08:43,437 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/data/dec428e4d/2da60acb6bd04b0e8116623f22f9b7cc/FLAGeb92d7723 [2019-11-20 09:08:43,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/data/dec428e4d/2da60acb6bd04b0e8116623f22f9b7cc [2019-11-20 09:08:43,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:08:43,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:08:43,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:08:43,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:08:43,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:08:43,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:08:43" (1/1) ... [2019-11-20 09:08:43,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e5c665e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:43, skipping insertion in model container [2019-11-20 09:08:43,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:08:43" (1/1) ... [2019-11-20 09:08:43,468 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:08:43,499 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:08:43,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:08:43,871 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:08:43,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:08:43,973 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:08:43,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:43 WrapperNode [2019-11-20 09:08:43,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:08:43,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:08:43,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:08:43,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:08:43,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:43" (1/1) ... [2019-11-20 09:08:44,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:43" (1/1) ... [2019-11-20 09:08:44,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:08:44,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:08:44,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:08:44,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:08:44,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:43" (1/1) ... [2019-11-20 09:08:44,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:43" (1/1) ... [2019-11-20 09:08:44,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:43" (1/1) ... [2019-11-20 09:08:44,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:43" (1/1) ... [2019-11-20 09:08:44,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:43" (1/1) ... [2019-11-20 09:08:44,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:43" (1/1) ... [2019-11-20 09:08:44,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:43" (1/1) ... [2019-11-20 09:08:44,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:08:44,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:08:44,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:08:44,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:08:44,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/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 [2019-11-20 09:08:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 09:08:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 09:08:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:08:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 09:08:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:08:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:08:44,332 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:08:44,332 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 09:08:44,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:08:44 BoogieIcfgContainer [2019-11-20 09:08:44,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:08:44,334 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 09:08:44,334 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 09:08:44,337 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 09:08:44,338 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:08:44,338 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 09:08:43" (1/3) ... [2019-11-20 09:08:44,340 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f5079b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:08:44, skipping insertion in model container [2019-11-20 09:08:44,340 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:08:44,340 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:43" (2/3) ... [2019-11-20 09:08:44,340 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f5079b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:08:44, skipping insertion in model container [2019-11-20 09:08:44,341 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:08:44,341 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:08:44" (3/3) ... [2019-11-20 09:08:44,342 INFO L371 chiAutomizerObserver]: Analyzing ICFG easySum-alloca.i [2019-11-20 09:08:44,387 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 09:08:44,387 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 09:08:44,388 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 09:08:44,388 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:08:44,388 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:08:44,388 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 09:08:44,389 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:08:44,389 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 09:08:44,401 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-20 09:08:44,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 09:08:44,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:08:44,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:08:44,423 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 09:08:44,424 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 09:08:44,424 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 09:08:44,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-20 09:08:44,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 09:08:44,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:08:44,425 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:08:44,425 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 09:08:44,425 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 09:08:44,430 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet12, main_#t~ret13;iterate_#in~bound := main_#t~nondet12;havoc iterate_#res;havoc iterate_#t~malloc2.base, iterate_#t~malloc2.offset, iterate_#t~malloc3.base, iterate_#t~malloc3.offset, iterate_#t~malloc4.base, iterate_#t~malloc4.offset, iterate_#t~mem9, iterate_#t~mem10, iterate_#t~mem5, iterate_#t~post6, iterate_#t~mem7, iterate_#t~mem8, iterate_#t~mem11, iterate_~bound, iterate_~bound_ref~0.base, iterate_~bound_ref~0.offset, iterate_~i~0.base, iterate_~i~0.offset, iterate_~sum~0.base, iterate_~sum~0.offset;iterate_~bound := iterate_#in~bound;call iterate_#t~malloc2.base, iterate_#t~malloc2.offset := #Ultimate.allocOnStack(4);iterate_~bound_ref~0.base, iterate_~bound_ref~0.offset := iterate_#t~malloc2.base, iterate_#t~malloc2.offset;call iterate_#t~malloc3.base, iterate_#t~malloc3.offset := #Ultimate.allocOnStack(4);iterate_~i~0.base, iterate_~i~0.offset := iterate_#t~malloc3.base, iterate_#t~malloc3.offset;call iterate_#t~malloc4.base, iterate_#t~malloc4.offset := #Ultimate.allocOnStack(4);iterate_~sum~0.base, iterate_~sum~0.offset := iterate_#t~malloc4.base, iterate_#t~malloc4.offset;call write~int(iterate_~bound, iterate_~bound_ref~0.base, iterate_~bound_ref~0.offset, 4);call write~int(0, iterate_~sum~0.base, iterate_~sum~0.offset, 4);call write~int(0, iterate_~i~0.base, iterate_~i~0.offset, 4); 9#L554-4true [2019-11-20 09:08:44,431 INFO L796 eck$LassoCheckResult]: Loop: 9#L554-4true call iterate_#t~mem7 := read~int(iterate_~i~0.base, iterate_~i~0.offset, 4);call iterate_#t~mem8 := read~int(iterate_~bound_ref~0.base, iterate_~bound_ref~0.offset, 4); 4#L554-1true assume !!(iterate_#t~mem7 < iterate_#t~mem8);havoc iterate_#t~mem8;havoc iterate_#t~mem7;call iterate_#t~mem9 := read~int(iterate_~sum~0.base, iterate_~sum~0.offset, 4);call iterate_#t~mem10 := read~int(iterate_~i~0.base, iterate_~i~0.offset, 4);call write~int(iterate_#t~mem9 + iterate_#t~mem10, iterate_~sum~0.base, iterate_~sum~0.offset, 4);havoc iterate_#t~mem9;havoc iterate_#t~mem10; 7#L554-3true call iterate_#t~mem5 := read~int(iterate_~i~0.base, iterate_~i~0.offset, 4);iterate_#t~post6 := iterate_#t~mem5;call write~int(1 + iterate_#t~post6, iterate_~i~0.base, iterate_~i~0.offset, 4);havoc iterate_#t~post6;havoc iterate_#t~mem5; 9#L554-4true [2019-11-20 09:08:44,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:08:44,435 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-20 09:08:44,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:08:44,441 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585795167] [2019-11-20 09:08:44,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:08:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:08:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:08:44,582 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:08:44,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:08:44,583 INFO L82 PathProgramCache]: Analyzing trace with hash 35911, now seen corresponding path program 1 times [2019-11-20 09:08:44,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:08:44,584 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657638425] [2019-11-20 09:08:44,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:08:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:08:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:08:44,641 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:08:44,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:08:44,643 INFO L82 PathProgramCache]: Analyzing trace with hash 28694853, now seen corresponding path program 1 times [2019-11-20 09:08:44,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:08:44,643 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866983277] [2019-11-20 09:08:44,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:08:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:08:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:08:44,720 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:08:45,349 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-11-20 09:08:45,561 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-11-20 09:08:45,573 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 09:08:45,577 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 09:08:45,578 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 09:08:45,578 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 09:08:45,578 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 09:08:45,578 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:08:45,579 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 09:08:45,579 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 09:08:45,579 INFO L133 ssoRankerPreferences]: Filename of dumped script: easySum-alloca.i_Iteration1_Lasso [2019-11-20 09:08:45,579 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 09:08:45,580 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 09:08:45,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:08:45,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:08:45,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:08:45,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:08:45,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:08:45,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:08:45,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:08:45,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:08:45,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:08:45,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:08:45,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:08:46,040 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2019-11-20 09:08:46,205 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-11-20 09:08:46,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:08:46,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:08:46,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:08:46,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:08:46,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:08:46,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:08:46,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:08:46,833 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 09:08:46,837 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:08:46,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 09:08:46,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:08:46,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:08:46,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:08:46,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:08:46,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:08:46,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:08:46,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:08:46,861 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:08:46,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 09:08:46,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:08:46,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:08:46,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:08:46,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:08:46,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:08:46,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:08:46,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:08:46,879 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:08:46,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 09:08:46,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:08:46,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:08:46,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:08:46,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:08:46,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:08:46,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:08:46,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:08:46,903 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:08:46,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 09:08:46,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:08:46,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:08:46,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:08:46,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:08:46,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:08:46,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 09:08:46,927 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:08:46,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:08:46,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:08:46,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:08:46,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:08:46,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:08:46,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:08:46,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 09:08:46,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:08:46,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 09:08:46,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:08:46,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:08:46,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:08:46,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:08:46,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:08:46,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:08:46,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:08:46,963 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:08:46,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 09:08:46,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:08:46,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:08:46,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:08:46,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:08:46,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:08:46,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 09:08:46,981 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:08:46,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 09:08:46,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:08:46,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:08:46,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:08:46,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:08:46,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:08:46,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 09:08:47,003 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:08:47,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 09:08:47,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:08:47,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:08:47,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:08:47,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:08:47,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:08:47,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 09:08:47,030 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:08:47,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 09:08:47,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:08:47,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:08:47,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:08:47,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:08:47,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:08:47,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:08:47,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:08:47,057 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:08:47,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 09:08:47,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:08:47,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:08:47,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:08:47,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:08:47,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:08:47,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:08:47,090 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:08:47,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 09:08:47,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:08:47,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:08:47,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:08:47,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:08:47,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:08:47,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:08:47,122 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 09:08:47,159 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-11-20 09:08:47,159 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ace39a78-5ff5-48b8-a03a-8de654c32b84/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:08:47,171 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:08:47,210 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 09:08:47,211 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 09:08:47,211 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_iterate_~bound_ref~0.base) ULTIMATE.start_iterate_~bound_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_iterate_~i~0.base) ULTIMATE.start_iterate_~i~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_iterate_~bound_ref~0.base) ULTIMATE.start_iterate_~bound_ref~0.offset)_1 - 1*v_rep(select (select #memory_int ULTIMATE.start_iterate_~i~0.base) ULTIMATE.start_iterate_~i~0.offset)_1 Supporting invariants [] [2019-11-20 09:08:47,324 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2019-11-20 09:08:47,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 09:08:47,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 09:08:47,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:08:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:08:47,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 09:08:47,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:08:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:08:47,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 09:08:47,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:08:47,536 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 09:08:47,536 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 46 [2019-11-20 09:08:47,539 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 09:08:47,568 INFO L567 ElimStorePlain]: treesize reduction 20, result has 65.5 percent of original size [2019-11-20 09:08:47,568 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 09:08:47,569 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:59, output treesize:38 [2019-11-20 09:08:47,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:08:47,611 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 [2019-11-20 09:08:47,612 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2019-11-20 09:08:47,708 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 19 states and 21 transitions. Complement of second has 10 states. [2019-11-20 09:08:47,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 09:08:47,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 09:08:47,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 11 transitions. [2019-11-20 09:08:47,712 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 2 letters. Loop has 3 letters. [2019-11-20 09:08:47,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:08:47,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 5 letters. Loop has 3 letters. [2019-11-20 09:08:47,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:08:47,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-20 09:08:47,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:08:47,714 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2019-11-20 09:08:47,716 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 09:08:47,718 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2019-11-20 09:08:47,718 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 09:08:47,719 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 09:08:47,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 09:08:47,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 09:08:47,719 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:08:47,719 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:08:47,719 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:08:47,719 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 09:08:47,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:08:47,720 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 09:08:47,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 09:08:47,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 09:08:47 BoogieIcfgContainer [2019-11-20 09:08:47,724 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 09:08:47,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:08:47,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:08:47,724 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:08:47,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:08:44" (3/4) ... [2019-11-20 09:08:47,727 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 09:08:47,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:08:47,728 INFO L168 Benchmark]: Toolchain (without parser) took 4275.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 940.6 MB in the beginning and 968.7 MB in the end (delta: -28.1 MB). Peak memory consumption was 111.9 MB. Max. memory is 11.5 GB. [2019-11-20 09:08:47,728 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:08:47,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-20 09:08:47,729 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:08:47,730 INFO L168 Benchmark]: Boogie Preprocessor took 30.85 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 09:08:47,730 INFO L168 Benchmark]: RCFGBuilder took 283.45 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:08:47,731 INFO L168 Benchmark]: BuchiAutomizer took 3389.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 968.7 MB in the end (delta: 128.7 MB). Peak memory consumption was 128.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:08:47,731 INFO L168 Benchmark]: Witness Printer took 3.09 ms. Allocated memory is still 1.2 GB. Free memory is still 968.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:08:47,734 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 520.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.85 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 283.45 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3389.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 968.7 MB in the end (delta: 128.7 MB). Peak memory consumption was 128.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.09 ms. Allocated memory is still 1.2 GB. Free memory is still 968.7 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 - 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[bound_ref][bound_ref] + -1 * unknown-#memory_int-unknown[i][i] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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: 2 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital320 mio100 ax105 hnf100 lsp91 ukn55 mio100 lsp41 div100 bol100 ite100 ukn100 eq179 hnf88 smp91 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms 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...