./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/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 b6b0b5eb73c85bd27f01305782cc76399fba05e9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:27:40,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:27:40,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:27:40,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:27:40,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:27:40,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:27:40,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:27:40,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:27:40,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:27:40,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:27:40,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:27:40,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:27:40,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:27:40,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:27:40,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:27:40,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:27:40,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:27:40,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:27:40,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:27:40,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:27:40,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:27:40,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:27:40,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:27:40,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:27:40,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:27:40,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:27:40,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:27:40,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:27:40,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:27:40,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:27:40,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:27:40,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:27:40,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:27:40,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:27:40,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:27:40,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:27:40,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:27:40,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:27:40,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:27:40,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:27:40,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:27:40,766 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 23:27:40,789 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:27:40,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:27:40,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:27:40,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:27:40,792 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:27:40,792 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 23:27:40,793 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 23:27:40,793 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 23:27:40,793 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 23:27:40,793 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 23:27:40,794 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 23:27:40,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:27:40,795 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 23:27:40,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:27:40,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:27:40,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 23:27:40,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 23:27:40,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 23:27:40,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:27:40,796 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 23:27:40,796 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:27:40,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 23:27:40,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:27:40,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:27:40,797 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 23:27:40,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:27:40,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:27:40,798 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 23:27:40,799 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 23:27:40,799 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_4eca28f2-14db-43f6-ab26-786a9d2d3786/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 -> b6b0b5eb73c85bd27f01305782cc76399fba05e9 [2019-11-19 23:27:40,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:27:40,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:27:40,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:27:40,990 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:27:40,991 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:27:40,992 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i [2019-11-19 23:27:41,052 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/bin/uautomizer/data/987147f33/6535fe2a7c9040c986926222c1a4d853/FLAG3e2dbd4d9 [2019-11-19 23:27:41,549 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:27:41,549 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i [2019-11-19 23:27:41,569 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/bin/uautomizer/data/987147f33/6535fe2a7c9040c986926222c1a4d853/FLAG3e2dbd4d9 [2019-11-19 23:27:41,843 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/bin/uautomizer/data/987147f33/6535fe2a7c9040c986926222c1a4d853 [2019-11-19 23:27:41,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:27:41,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:27:41,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:27:41,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:27:41,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:27:41,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:27:41" (1/1) ... [2019-11-19 23:27:41,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f953bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:41, skipping insertion in model container [2019-11-19 23:27:41,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:27:41" (1/1) ... [2019-11-19 23:27:41,860 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:27:41,896 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:27:42,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:27:42,308 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:27:42,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:27:42,402 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:27:42,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:42 WrapperNode [2019-11-19 23:27:42,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:27:42,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:27:42,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:27:42,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:27:42,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:42" (1/1) ... [2019-11-19 23:27:42,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:42" (1/1) ... [2019-11-19 23:27:42,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:27:42,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:27:42,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:27:42,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:27:42,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:42" (1/1) ... [2019-11-19 23:27:42,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:42" (1/1) ... [2019-11-19 23:27:42,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:42" (1/1) ... [2019-11-19 23:27:42,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:42" (1/1) ... [2019-11-19 23:27:42,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:42" (1/1) ... [2019-11-19 23:27:42,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:42" (1/1) ... [2019-11-19 23:27:42,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:42" (1/1) ... [2019-11-19 23:27:42,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:27:42,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:27:42,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:27:42,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:27:42,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:27:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 23:27:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 23:27:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:27:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 23:27:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:27:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:27:42,885 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:27:42,885 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 23:27:42,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:27:42 BoogieIcfgContainer [2019-11-19 23:27:42,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:27:42,887 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 23:27:42,887 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 23:27:42,890 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 23:27:42,890 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:27:42,891 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 11:27:41" (1/3) ... [2019-11-19 23:27:42,901 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c042e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:27:42, skipping insertion in model container [2019-11-19 23:27:42,901 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:27:42,901 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:27:42" (2/3) ... [2019-11-19 23:27:42,901 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c042e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:27:42, skipping insertion in model container [2019-11-19 23:27:42,902 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:27:42,902 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:27:42" (3/3) ... [2019-11-19 23:27:42,903 INFO L371 chiAutomizerObserver]: Analyzing ICFG c.07-alloca.i [2019-11-19 23:27:42,946 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 23:27:42,946 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 23:27:42,946 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 23:27:42,947 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:27:42,947 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:27:42,947 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 23:27:42,947 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:27:42,947 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 23:27:42,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-19 23:27:42,979 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-19 23:27:42,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:27:42,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:27:42,986 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 23:27:42,987 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 23:27:42,987 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 23:27:42,987 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-19 23:27:42,988 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-19 23:27:42,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:27:42,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:27:42,989 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 23:27:42,989 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 23:27:42,998 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~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~i, test_fun_#in~j, test_fun_#in~k, test_fun_#in~tmp := main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;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~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~malloc6.base, test_fun_#t~malloc6.offset, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem16, test_fun_~i, test_fun_~j, test_fun_~k, test_fun_~tmp, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~i := test_fun_#in~i;test_fun_~j := test_fun_#in~j;test_fun_~k := test_fun_#in~k;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0.base, test_fun_~i_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_~j_ref~0.base, test_fun_~j_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_~k_ref~0.base, test_fun_~k_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call test_fun_#t~malloc6.base, test_fun_#t~malloc6.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc6.base, test_fun_#t~malloc6.offset;call write~int(test_fun_~i, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);call write~int(test_fun_~j, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call write~int(test_fun_~k, test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 8#L559-8true [2019-11-19 23:27:42,998 INFO L796 eck$LassoCheckResult]: Loop: 8#L559-8true call test_fun_#t~mem7 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem7 <= 100; 5#L559-1true assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 <= test_fun_~k; 9#L559-3true test_fun_#t~short11 := test_fun_#t~short9; 12#L559-4true assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);test_fun_#t~short11 := test_fun_#t~mem10 > -2147483648; 4#L559-6true assume !!test_fun_#t~short11;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~mem8;havoc test_fun_#t~short11;havoc test_fun_#t~mem7;call test_fun_#t~mem12 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);call write~int(test_fun_#t~mem12, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~mem12;call test_fun_#t~mem13 := read~int(test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call write~int(test_fun_#t~mem13, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);havoc test_fun_#t~mem13;call test_fun_#t~mem14 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem14, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);havoc test_fun_#t~mem14;call test_fun_#t~mem15 := read~int(test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);call write~int(test_fun_#t~mem15 - 1, test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);havoc test_fun_#t~mem15; 8#L559-8true [2019-11-19 23:27:43,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:27:43,005 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-19 23:27:43,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:27:43,013 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556533726] [2019-11-19 23:27:43,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:27:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:27:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:27:43,275 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:27:43,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:27:43,276 INFO L82 PathProgramCache]: Analyzing trace with hash 35405714, now seen corresponding path program 1 times [2019-11-19 23:27:43,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:27:43,276 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566660531] [2019-11-19 23:27:43,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:27:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:27:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:27:43,346 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:27:43,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:27:43,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1806845200, now seen corresponding path program 1 times [2019-11-19 23:27:43,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:27:43,348 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250407183] [2019-11-19 23:27:43,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:27:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:27:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:27:43,508 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:27:44,035 WARN L191 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2019-11-19 23:27:44,164 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-11-19 23:27:45,437 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 157 DAG size of output: 126 [2019-11-19 23:27:45,843 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-11-19 23:27:45,857 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:27:45,858 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:27:45,858 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:27:45,858 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:27:45,858 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:27:45,858 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:27:45,858 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:27:45,858 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:27:45,859 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.07-alloca.i_Iteration1_Lasso [2019-11-19 23:27:45,859 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:27:45,859 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:27:45,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:45,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:45,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:45,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:45,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:45,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:45,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:45,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:45,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:45,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:45,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:45,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:46,999 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 114 [2019-11-19 23:27:47,274 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-11-19 23:27:47,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:47,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:47,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:47,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:47,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:47,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:47,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:47,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:47,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:27:47,612 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-11-19 23:27:48,106 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:27:48,110 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:27:48,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:27:48,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:27:48,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:27:48,128 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/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) [2019-11-19 23:27:48,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:27:48,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:27:48,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/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 [2019-11-19 23:27:48,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:27:48,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:27:48,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:27:48,183 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:27:48,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:27:48,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:27:48,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:27:48,207 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/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 [2019-11-19 23:27:48,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:27:48,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:27:48,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:27:48,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:27:48,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:27:48,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:27:48,242 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:27:48,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:27:48,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:27:48,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:27:48,255 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:27:48,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:27:48,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:27:48,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:27:48,270 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/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) [2019-11-19 23:27:48,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:27:48,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:27:48,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:27:48,293 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/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 [2019-11-19 23:27:48,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:27:48,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:27:48,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:27:48,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:27:48,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:27:48,353 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:27:48,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:27:48,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:27:48,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:27:48,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/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 [2019-11-19 23:27:48,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:27:48,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:27:48,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/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 [2019-11-19 23:27:48,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:27:48,450 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:27:48,455 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/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) [2019-11-19 23:27:48,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:27:48,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:27:48,487 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/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 [2019-11-19 23:27:48,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:27:48,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:27:48,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/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 [2019-11-19 23:27:48,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:27:48,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:27:48,532 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/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 [2019-11-19 23:27:48,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:27:48,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:27:48,546 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/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 [2019-11-19 23:27:48,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:27:48,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:27:48,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/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) [2019-11-19 23:27:48,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:27:48,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:27:48,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:27:48,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/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) [2019-11-19 23:27:48,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:27:48,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:27:48,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:27:48,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:27:48,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:27:48,673 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:27:48,673 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:27:48,695 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 23:27:48,788 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2019-11-19 23:27:48,788 INFO L444 ModelExtractionUtils]: 19 out of 52 variables were initially zero. Simplification set additionally 28 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4eca28f2-14db-43f6-ab26-786a9d2d3786/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 [2019-11-19 23:27:48,879 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 23:27:48,886 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 23:27:48,887 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 23:27:48,887 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~j_ref~0.base) ULTIMATE.start_test_fun_~j_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0.base) ULTIMATE.start_test_fun_~i_ref~0.offset)_1, ULTIMATE.start_test_fun_~k) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~j_ref~0.base) ULTIMATE.start_test_fun_~j_ref~0.offset)_1 - 2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0.base) ULTIMATE.start_test_fun_~i_ref~0.offset)_1 + 2*ULTIMATE.start_test_fun_~k + 201 Supporting invariants [] [2019-11-19 23:27:49,336 INFO L297 tatePredicateManager]: 59 out of 64 supporting invariants were superfluous and have been removed [2019-11-19 23:27:49,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 23:27:49,354 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 23:27:49,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Exception during sending of exit command (exit): Broken pipe [2019-11-19 23:27:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:27:49,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-19 23:27:49,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:27:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:27:49,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-19 23:27:49,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:27:49,457 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:27:49,551 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:27:49,626 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 23:27:49,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:27:49,723 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2019-11-19 23:27:49,724 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 6 states. [2019-11-19 23:27:50,093 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 6 states. Result 38 states and 49 transitions. Complement of second has 14 states. [2019-11-19 23:27:50,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2019-11-19 23:27:50,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-19 23:27:50,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 24 transitions. [2019-11-19 23:27:50,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 2 letters. Loop has 5 letters. [2019-11-19 23:27:50,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:27:50,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 7 letters. Loop has 5 letters. [2019-11-19 23:27:50,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:27:50,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 2 letters. Loop has 10 letters. [2019-11-19 23:27:50,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:27:50,102 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 49 transitions. [2019-11-19 23:27:50,110 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-19 23:27:50,115 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 19 states and 25 transitions. [2019-11-19 23:27:50,117 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-19 23:27:50,117 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-19 23:27:50,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2019-11-19 23:27:50,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 23:27:50,118 INFO L688 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2019-11-19 23:27:50,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2019-11-19 23:27:50,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2019-11-19 23:27:50,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-19 23:27:50,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2019-11-19 23:27:50,150 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-19 23:27:50,150 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-19 23:27:50,151 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 23:27:50,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2019-11-19 23:27:50,153 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-19 23:27:50,153 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:27:50,153 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:27:50,153 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-19 23:27:50,154 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 23:27:50,154 INFO L794 eck$LassoCheckResult]: Stem: 384#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 373#L-1 havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~i, test_fun_#in~j, test_fun_#in~k, test_fun_#in~tmp := main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;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~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~malloc6.base, test_fun_#t~malloc6.offset, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem16, test_fun_~i, test_fun_~j, test_fun_~k, test_fun_~tmp, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~i := test_fun_#in~i;test_fun_~j := test_fun_#in~j;test_fun_~k := test_fun_#in~k;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0.base, test_fun_~i_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_~j_ref~0.base, test_fun_~j_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_~k_ref~0.base, test_fun_~k_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call test_fun_#t~malloc6.base, test_fun_#t~malloc6.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc6.base, test_fun_#t~malloc6.offset;call write~int(test_fun_~i, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);call write~int(test_fun_~j, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call write~int(test_fun_~k, test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 374#L559-8 call test_fun_#t~mem7 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem7 <= 100; 379#L559-1 [2019-11-19 23:27:50,154 INFO L796 eck$LassoCheckResult]: Loop: 379#L559-1 assume !test_fun_#t~short9; 380#L559-3 test_fun_#t~short11 := test_fun_#t~short9; 386#L559-4 assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);test_fun_#t~short11 := test_fun_#t~mem10 > -2147483648; 375#L559-6 assume !!test_fun_#t~short11;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~mem8;havoc test_fun_#t~short11;havoc test_fun_#t~mem7;call test_fun_#t~mem12 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);call write~int(test_fun_#t~mem12, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~mem12;call test_fun_#t~mem13 := read~int(test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call write~int(test_fun_#t~mem13, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);havoc test_fun_#t~mem13;call test_fun_#t~mem14 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem14, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);havoc test_fun_#t~mem14;call test_fun_#t~mem15 := read~int(test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);call write~int(test_fun_#t~mem15 - 1, test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);havoc test_fun_#t~mem15; 376#L559-8 call test_fun_#t~mem7 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem7 <= 100; 379#L559-1 [2019-11-19 23:27:50,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:27:50,154 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-19 23:27:50,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:27:50,155 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257603169] [2019-11-19 23:27:50,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:27:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:27:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:27:50,253 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:27:50,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:27:50,254 INFO L82 PathProgramCache]: Analyzing trace with hash 40145596, now seen corresponding path program 1 times [2019-11-19 23:27:50,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:27:50,254 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607522728] [2019-11-19 23:27:50,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:27:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:27:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:27:50,305 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607522728] [2019-11-19 23:27:50,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:27:50,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:27:50,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304051713] [2019-11-19 23:27:50,309 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 23:27:50,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:27:50,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:27:50,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:27:50,312 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-11-19 23:27:50,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:27:50,365 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-11-19 23:27:50,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:27:50,365 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 17 transitions. [2019-11-19 23:27:50,366 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:27:50,366 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2019-11-19 23:27:50,366 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 23:27:50,366 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 23:27:50,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 23:27:50,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:27:50,367 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:27:50,367 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:27:50,367 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:27:50,367 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 23:27:50,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:27:50,367 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:27:50,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 23:27:50,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 11:27:50 BoogieIcfgContainer [2019-11-19 23:27:50,371 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 23:27:50,372 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:27:50,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:27:50,372 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:27:50,372 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:27:42" (3/4) ... [2019-11-19 23:27:50,376 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 23:27:50,376 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:27:50,377 INFO L168 Benchmark]: Toolchain (without parser) took 8530.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:27:50,378 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:27:50,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -201.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:27:50,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:27:50,379 INFO L168 Benchmark]: Boogie Preprocessor took 42.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:27:50,380 INFO L168 Benchmark]: RCFGBuilder took 381.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:27:50,380 INFO L168 Benchmark]: BuchiAutomizer took 7484.62 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.5 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:27:50,381 INFO L168 Benchmark]: Witness Printer took 4.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:27:50,384 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 556.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -201.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 381.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7484.62 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.5 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[j_ref][j_ref] + -2 * unknown-#memory_int-unknown[i_ref][i_ref] + 2 * k + 201 and consists of 8 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 6.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 14 SDslu, 9 SDs, 0 SdLazy, 47 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital1050 mio100 ax101 hnf100 lsp97 ukn27 mio100 lsp38 div100 bol100 ite100 ukn100 eq192 hnf87 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms 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...