./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.16-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.16-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/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 59be66e49b54b8b00b9c1d5bff1f6857d45f8bbd ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:41:58,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:41:58,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:41:58,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:41:58,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:41:58,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:41:58,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:41:58,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:41:58,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:41:58,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:41:58,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:41:58,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:41:58,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:41:58,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:41:58,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:41:58,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:41:58,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:41:58,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:41:58,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:41:58,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:41:58,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:41:58,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:41:58,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:41:58,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:41:58,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:41:58,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:41:58,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:41:58,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:41:58,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:41:58,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:41:58,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:41:58,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:41:58,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:41:58,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:41:58,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:41:58,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:41:58,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:41:58,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:41:58,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:41:58,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:41:58,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:41:58,811 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 15:41:58,821 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:41:58,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:41:58,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:41:58,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:41:58,822 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:41:58,823 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 15:41:58,823 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 15:41:58,823 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 15:41:58,823 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 15:41:58,823 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 15:41:58,823 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 15:41:58,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:41:58,823 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:41:58,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:41:58,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:41:58,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 15:41:58,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 15:41:58,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 15:41:58,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:41:58,824 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 15:41:58,824 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:41:58,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 15:41:58,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:41:58,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:41:58,824 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 15:41:58,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:41:58,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:41:58,825 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:41:58,825 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 15:41:58,825 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 15:41:58,826 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_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/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 -> 59be66e49b54b8b00b9c1d5bff1f6857d45f8bbd [2019-12-07 15:41:58,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:41:58,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:41:58,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:41:58,936 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:41:58,937 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:41:58,937 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.16-alloca.i [2019-12-07 15:41:58,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/data/cafe9dac4/9e57e6c1494e41c48b0b522e55c2bf9d/FLAG14bb8116d [2019-12-07 15:41:59,434 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:41:59,434 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/sv-benchmarks/c/termination-memory-alloca/b.16-alloca.i [2019-12-07 15:41:59,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/data/cafe9dac4/9e57e6c1494e41c48b0b522e55c2bf9d/FLAG14bb8116d [2019-12-07 15:41:59,452 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/data/cafe9dac4/9e57e6c1494e41c48b0b522e55c2bf9d [2019-12-07 15:41:59,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:41:59,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:41:59,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:41:59,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:41:59,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:41:59,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:41:59" (1/1) ... [2019-12-07 15:41:59,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e9397e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:41:59, skipping insertion in model container [2019-12-07 15:41:59,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:41:59" (1/1) ... [2019-12-07 15:41:59,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:41:59,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:41:59,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:41:59,715 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:41:59,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:41:59,771 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:41:59,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:41:59 WrapperNode [2019-12-07 15:41:59,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:41:59,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:41:59,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:41:59,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:41:59,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:41:59" (1/1) ... [2019-12-07 15:41:59,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:41:59" (1/1) ... [2019-12-07 15:41:59,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:41:59,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:41:59,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:41:59,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:41:59,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:41:59" (1/1) ... [2019-12-07 15:41:59,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:41:59" (1/1) ... [2019-12-07 15:41:59,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:41:59" (1/1) ... [2019-12-07 15:41:59,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:41:59" (1/1) ... [2019-12-07 15:41:59,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:41:59" (1/1) ... [2019-12-07 15:41:59,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:41:59" (1/1) ... [2019-12-07 15:41:59,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:41:59" (1/1) ... [2019-12-07 15:41:59,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:41:59,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:41:59,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:41:59,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:41:59,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:41:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/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 [2019-12-07 15:41:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 15:41:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 15:41:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:41:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:41:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:41:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:42:00,010 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:42:00,010 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 15:42:00,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:42:00 BoogieIcfgContainer [2019-12-07 15:42:00,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:42:00,011 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 15:42:00,011 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 15:42:00,013 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 15:42:00,014 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:42:00,014 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 03:41:59" (1/3) ... [2019-12-07 15:42:00,015 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@139353f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:42:00, skipping insertion in model container [2019-12-07 15:42:00,015 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:42:00,015 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:41:59" (2/3) ... [2019-12-07 15:42:00,015 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@139353f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:42:00, skipping insertion in model container [2019-12-07 15:42:00,015 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:42:00,015 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:42:00" (3/3) ... [2019-12-07 15:42:00,016 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.16-alloca.i [2019-12-07 15:42:00,044 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 15:42:00,044 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 15:42:00,044 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 15:42:00,044 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:42:00,044 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:42:00,045 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 15:42:00,045 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:42:00,045 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 15:42:00,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 15:42:00,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 15:42:00,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:42:00,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:42:00,072 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 15:42:00,072 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 15:42:00,073 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 15:42:00,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 15:42:00,073 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 15:42:00,074 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:42:00,074 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:42:00,074 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 15:42:00,074 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 15:42:00,079 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12;test_fun_#in~x, test_fun_#in~y := main_#t~nondet10, main_#t~nondet11;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem5, test_fun_#t~mem9, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 7#L555-3true [2019-12-07 15:42:00,079 INFO L796 eck$LassoCheckResult]: Loop: 7#L555-3true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 14#L555-1true assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 5#L556-3true assume !true; 8#L556-4true call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem8 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem8; 7#L555-3true [2019-12-07 15:42:00,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:42:00,083 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 15:42:00,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:42:00,089 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115107030] [2019-12-07 15:42:00,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:42:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:42:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:42:00,198 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:42:00,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:42:00,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1144360, now seen corresponding path program 1 times [2019-12-07 15:42:00,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:42:00,199 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123240426] [2019-12-07 15:42:00,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:42:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:42:00,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:42:00,223 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123240426] [2019-12-07 15:42:00,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:42:00,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:42:00,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673314469] [2019-12-07 15:42:00,227 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 15:42:00,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:42:00,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:42:00,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:42:00,240 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 2 states. [2019-12-07 15:42:00,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:42:00,244 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2019-12-07 15:42:00,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:42:00,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2019-12-07 15:42:00,246 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 15:42:00,249 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 7 states and 8 transitions. [2019-12-07 15:42:00,249 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-12-07 15:42:00,250 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-12-07 15:42:00,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2019-12-07 15:42:00,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 15:42:00,250 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-12-07 15:42:00,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2019-12-07 15:42:00,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-12-07 15:42:00,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-07 15:42:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2019-12-07 15:42:00,268 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-12-07 15:42:00,268 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-12-07 15:42:00,268 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 15:42:00,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2019-12-07 15:42:00,269 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 15:42:00,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:42:00,269 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:42:00,269 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 15:42:00,269 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 15:42:00,270 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 32#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12;test_fun_#in~x, test_fun_#in~y := main_#t~nondet10, main_#t~nondet11;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~mem7, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem5, test_fun_#t~mem9, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~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(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 33#L555-3 [2019-12-07 15:42:00,270 INFO L796 eck$LassoCheckResult]: Loop: 33#L555-3 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 37#L555-1 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 34#L556-3 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 35#L556-1 assume !(test_fun_#t~mem6 > 0);havoc test_fun_#t~mem6; 38#L556-4 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem8 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem8; 33#L555-3 [2019-12-07 15:42:00,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:42:00,270 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-12-07 15:42:00,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:42:00,270 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339382858] [2019-12-07 15:42:00,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:42:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:42:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:42:00,302 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:42:00,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:42:00,303 INFO L82 PathProgramCache]: Analyzing trace with hash 35468273, now seen corresponding path program 1 times [2019-12-07 15:42:00,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:42:00,303 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584888607] [2019-12-07 15:42:00,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:42:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:42:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:42:00,315 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:42:00,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:42:00,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1806907759, now seen corresponding path program 1 times [2019-12-07 15:42:00,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:42:00,316 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102267522] [2019-12-07 15:42:00,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:42:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:42:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:42:00,354 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:42:00,682 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2019-12-07 15:42:00,794 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:42:00,795 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:42:00,795 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:42:00,795 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:42:00,795 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:42:00,795 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:00,795 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:42:00,796 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:42:00,796 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.16-alloca.i_Iteration2_Lasso [2019-12-07 15:42:00,796 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:42:00,796 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:42:00,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:00,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:00,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:00,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:00,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:00,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:00,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:01,068 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-12-07 15:42:01,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:01,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:01,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:01,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:01,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:01,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:01,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:01,454 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:42:01,457 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/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 [2019-12-07 15:42:01,466 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 [2019-12-07 15:42:01,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:01,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:42:01,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:01,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:01,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:01,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:42:01,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:42:01,473 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/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 [2019-12-07 15:42:01,478 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 [2019-12-07 15:42:01,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:01,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:42:01,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:01,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:01,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:01,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:42:01,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:42:01,482 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:01,486 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 [2019-12-07 15:42:01,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:01,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:42:01,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:01,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:01,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:01,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:42:01,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:42:01,489 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/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 [2019-12-07 15:42:01,493 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 [2019-12-07 15:42:01,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:01,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:42:01,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:01,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:01,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:01,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:42:01,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:42:01,497 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:01,500 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 [2019-12-07 15:42:01,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:01,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:42:01,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:01,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:01,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:01,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:42:01,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:42:01,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/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 [2019-12-07 15:42:01,508 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 [2019-12-07 15:42:01,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:01,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:01,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:01,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:01,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:01,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:01,516 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/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 [2019-12-07 15:42:01,520 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 [2019-12-07 15:42:01,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:01,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:01,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:01,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:01,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:01,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:01,527 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/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 [2019-12-07 15:42:01,532 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 [2019-12-07 15:42:01,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:01,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:01,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:01,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:01,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:01,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:01,540 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/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 [2019-12-07 15:42:01,544 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 [2019-12-07 15:42:01,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:01,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:01,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:01,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:01,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:01,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:01,553 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:01,558 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 [2019-12-07 15:42:01,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:01,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:01,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:01,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:01,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:01,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:01,563 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/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) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:01,570 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 [2019-12-07 15:42:01,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:01,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:01,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:01,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:01,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:01,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:01,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/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) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:01,597 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 [2019-12-07 15:42:01,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:01,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:01,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:01,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:01,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:01,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:01,607 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:42:01,618 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-12-07 15:42:01,619 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:01,625 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:42:01,633 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 15:42:01,633 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:42:01,634 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2019-12-07 15:42:01,685 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2019-12-07 15:42:01,689 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 15:42:01,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:42:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:42:01,716 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:42:01,717 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:42:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:42:01,726 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:42:01,727 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:42:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:42:01,755 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 [2019-12-07 15:42:01,755 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand 4 states. [2019-12-07 15:42:01,798 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 21 states and 26 transitions. Complement of second has 8 states. [2019-12-07 15:42:01,799 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 [2019-12-07 15:42:01,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 15:42:01,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2019-12-07 15:42:01,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 5 letters. [2019-12-07 15:42:01,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:42:01,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 7 letters. Loop has 5 letters. [2019-12-07 15:42:01,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:42:01,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 10 letters. [2019-12-07 15:42:01,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:42:01,802 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2019-12-07 15:42:01,803 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 15:42:01,804 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 25 transitions. [2019-12-07 15:42:01,804 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-12-07 15:42:01,804 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 15:42:01,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2019-12-07 15:42:01,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:42:01,804 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-12-07 15:42:01,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2019-12-07 15:42:01,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-12-07 15:42:01,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 15:42:01,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2019-12-07 15:42:01,806 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-12-07 15:42:01,806 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-12-07 15:42:01,806 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 15:42:01,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2019-12-07 15:42:01,807 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 15:42:01,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:42:01,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:42:01,807 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 15:42:01,807 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1] [2019-12-07 15:42:01,808 INFO L794 eck$LassoCheckResult]: Stem: 194#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 188#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12;test_fun_#in~x, test_fun_#in~y := main_#t~nondet10, main_#t~nondet11;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~mem7, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem5, test_fun_#t~mem9, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~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(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 189#L555-3 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 196#L555-1 [2019-12-07 15:42:01,808 INFO L796 eck$LassoCheckResult]: Loop: 196#L555-1 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 190#L556-3 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 191#L556-1 assume !!(test_fun_#t~mem6 > 0);havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem7 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem7; 201#L556-3 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 203#L556-1 assume !(test_fun_#t~mem6 > 0);havoc test_fun_#t~mem6; 199#L556-4 call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem8 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem8; 195#L555-3 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 196#L555-1 [2019-12-07 15:42:01,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:42:01,808 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-12-07 15:42:01,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:42:01,808 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984129148] [2019-12-07 15:42:01,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:42:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:42:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:42:01,836 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:42:01,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:42:01,836 INFO L82 PathProgramCache]: Analyzing trace with hash 15492128, now seen corresponding path program 1 times [2019-12-07 15:42:01,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:42:01,837 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776775338] [2019-12-07 15:42:01,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:42:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:42:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:42:01,852 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:42:01,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:42:01,852 INFO L82 PathProgramCache]: Analyzing trace with hash 765526557, now seen corresponding path program 1 times [2019-12-07 15:42:01,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:42:01,853 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956401004] [2019-12-07 15:42:01,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:42:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:42:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:42:01,887 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:42:02,190 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 87 [2019-12-07 15:42:02,289 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:42:02,289 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:42:02,289 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:42:02,290 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:42:02,290 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:42:02,290 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:02,290 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:42:02,290 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:42:02,290 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.16-alloca.i_Iteration3_Lasso [2019-12-07 15:42:02,290 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:42:02,290 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:42:02,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:02,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:02,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:02,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:02,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:02,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:02,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:02,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:02,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:02,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:02,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:02,512 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-12-07 15:42:02,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:02,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:02,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:42:02,868 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:42:02,868 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:02,871 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 [2019-12-07 15:42:02,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:02,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:42:02,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:02,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:02,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:02,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:42:02,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:42:02,874 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:02,877 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 [2019-12-07 15:42:02,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:02,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:42:02,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:02,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:02,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:02,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:42:02,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:42:02,880 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:02,883 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 [2019-12-07 15:42:02,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:02,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:42:02,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:02,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:02,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:02,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:42:02,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:42:02,886 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:02,890 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 [2019-12-07 15:42:02,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:02,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:02,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:02,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:02,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:02,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:02,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:02,910 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 [2019-12-07 15:42:02,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:02,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:02,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:02,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:02,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:02,913 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:02,915 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:02,919 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 [2019-12-07 15:42:02,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:02,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:42:02,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:02,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:02,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:02,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:42:02,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:42:02,923 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:02,927 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 [2019-12-07 15:42:02,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:02,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:42:02,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:02,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:02,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:02,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:42:02,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:42:02,930 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:02,934 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 [2019-12-07 15:42:02,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:02,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:02,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:02,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:02,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:02,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:02,939 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:02,942 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 [2019-12-07 15:42:02,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:02,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:02,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:02,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:02,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:02,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:02,947 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:02,951 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 [2019-12-07 15:42:02,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:02,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:02,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:02,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:02,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:02,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:02,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:02,960 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 [2019-12-07 15:42:02,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:02,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:02,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:02,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:02,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:02,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:02,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:02,970 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 [2019-12-07 15:42:02,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:02,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:02,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:02,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:02,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:02,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:02,976 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:02,980 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 [2019-12-07 15:42:02,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:02,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:02,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:02,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:02,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:02,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:02,984 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:02,988 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 [2019-12-07 15:42:02,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:02,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:02,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:02,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:02,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:02,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:02,994 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:02,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:42:02,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:02,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:02,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:02,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:03,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:03,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:03,004 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:03,007 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 [2019-12-07 15:42:03,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:03,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:03,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:03,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:03,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:03,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:03,018 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:03,022 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 [2019-12-07 15:42:03,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:03,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:03,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:03,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:03,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:03,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:03,028 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:03,032 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 [2019-12-07 15:42:03,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:42:03,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:42:03,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:42:03,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:42:03,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:42:03,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:42:03,041 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:42:03,052 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-12-07 15:42:03,052 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5b2e06a-0eaa-4e18-91a5-84aa604c4f71/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:42:03,055 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:42:03,057 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 15:42:03,057 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:42:03,057 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 Supporting invariants [] [2019-12-07 15:42:03,120 INFO L297 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2019-12-07 15:42:03,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 15:42:03,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:42:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:42:03,138 INFO L264 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:42:03,138 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:42:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:42:03,143 INFO L264 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 15:42:03,143 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:42:03,172 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2019-12-07 15:42:03,173 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:42:03,177 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:42:03,177 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:42:03,177 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:17 [2019-12-07 15:42:03,203 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:42:03,203 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 63 [2019-12-07 15:42:03,204 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:42:03,205 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 15:42:03,207 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:42:03,244 INFO L614 ElimStorePlain]: treesize reduction 52, result has 50.0 percent of original size [2019-12-07 15:42:03,245 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-07 15:42:03,245 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:37 [2019-12-07 15:42:03,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:42:03,259 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-12-07 15:42:03,259 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 7 Second operand 6 states. [2019-12-07 15:42:03,272 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 7. Second operand 6 states. Result 37 states and 46 transitions. Complement of second has 6 states. [2019-12-07 15:42:03,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 15:42:03,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 15:42:03,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2019-12-07 15:42:03,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 7 letters. [2019-12-07 15:42:03,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:42:03,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 7 letters. [2019-12-07 15:42:03,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:42:03,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 14 letters. [2019-12-07 15:42:03,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:42:03,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 46 transitions. [2019-12-07 15:42:03,275 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 15:42:03,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2019-12-07 15:42:03,275 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 15:42:03,275 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 15:42:03,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 15:42:03,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 15:42:03,275 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:42:03,276 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:42:03,276 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:42:03,276 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 15:42:03,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:42:03,276 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 15:42:03,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 15:42:03,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 03:42:03 BoogieIcfgContainer [2019-12-07 15:42:03,280 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 15:42:03,280 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:42:03,280 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:42:03,280 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:42:03,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:42:00" (3/4) ... [2019-12-07 15:42:03,283 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:42:03,283 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:42:03,284 INFO L168 Benchmark]: Toolchain (without parser) took 3829.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 946.2 MB in the beginning and 909.5 MB in the end (delta: 36.7 MB). Peak memory consumption was 194.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:42:03,285 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:42:03,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:42:03,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:42:03,286 INFO L168 Benchmark]: Boogie Preprocessor took 16.65 ms. Allocated memory is still 1.1 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. [2019-12-07 15:42:03,286 INFO L168 Benchmark]: RCFGBuilder took 194.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:42:03,287 INFO L168 Benchmark]: BuchiAutomizer took 3268.57 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.9 MB). Free memory was 1.1 GB in the beginning and 909.5 MB in the end (delta: 157.5 MB). Peak memory consumption was 208.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:42:03,287 INFO L168 Benchmark]: Witness Printer took 3.31 ms. Allocated memory is still 1.2 GB. Free memory is still 909.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:42:03,289 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 316.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.65 ms. Allocated memory is still 1.1 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 194.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3268.57 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.9 MB). Free memory was 1.1 GB in the beginning and 909.5 MB in the end (delta: 157.5 MB). Peak memory consumption was 208.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.31 ms. Allocated memory is still 1.2 GB. Free memory is still 909.5 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 19 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/2 HoareTripleCheckerStatistics: 20 SDtfs, 10 SDslu, 5 SDs, 0 SdLazy, 30 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital282 mio100 ax106 hnf100 lsp91 ukn60 mio100 lsp34 div100 bol100 ite100 ukn100 eq188 hnf88 smp98 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms 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...