./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/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 07d66c4a8707cd8197105d63e3dee30aff715401 ....................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:08:45,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:08:45,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:08:45,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:08:45,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:08:45,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:08:45,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:08:45,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:08:45,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:08:45,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:08:45,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:08:45,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:08:45,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:08:45,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:08:45,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:08:45,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:08:45,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:08:45,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:08:45,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:08:45,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:08:45,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:08:45,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:08:45,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:08:45,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:08:45,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:08:45,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:08:45,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:08:45,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:08:45,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:08:45,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:08:45,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:08:45,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:08:45,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:08:45,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:08:45,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:08:45,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:08:45,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:08:45,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:08:45,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:08:45,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:08:45,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:08:45,848 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:08:45,873 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:08:45,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:08:45,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:08:45,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:08:45,875 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:08:45,876 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:08:45,876 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:08:45,876 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:08:45,877 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:08:45,877 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:08:45,877 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:08:45,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:08:45,878 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:08:45,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:08:45,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:08:45,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:08:45,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:08:45,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:08:45,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:08:45,880 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:08:45,880 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:08:45,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:08:45,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:08:45,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:08:45,881 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:08:45,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:08:45,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:08:45,882 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:08:45,883 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:08:45,884 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:08:45,884 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07d66c4a8707cd8197105d63e3dee30aff715401 [2020-11-28 03:08:46,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:08:46,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:08:46,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:08:46,185 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:08:46,187 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:08:46,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2020-11-28 03:08:46,284 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/bin/uautomizer/data/e00dc62a9/5bb5d66e113e48da954a7f95f15475d1/FLAG269d715dd [2020-11-28 03:08:46,743 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:08:46,744 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2020-11-28 03:08:46,750 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/bin/uautomizer/data/e00dc62a9/5bb5d66e113e48da954a7f95f15475d1/FLAG269d715dd [2020-11-28 03:08:47,172 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/bin/uautomizer/data/e00dc62a9/5bb5d66e113e48da954a7f95f15475d1 [2020-11-28 03:08:47,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:08:47,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:08:47,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:08:47,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:08:47,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:08:47,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:47,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbc1c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47, skipping insertion in model container [2020-11-28 03:08:47,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:47,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:08:47,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:08:47,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:08:47,353 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:08:47,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:08:47,397 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:08:47,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47 WrapperNode [2020-11-28 03:08:47,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:08:47,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:08:47,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:08:47,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:08:47,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:47,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:47,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:08:47,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:08:47,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:08:47,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:08:47,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:47,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:47,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:47,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:47,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:47,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:47,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... [2020-11-28 03:08:47,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:08:47,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:08:47,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:08:47,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:08:47,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/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 [2020-11-28 03:08:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:08:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:08:47,697 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:08:47,699 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 03:08:47,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:08:47 BoogieIcfgContainer [2020-11-28 03:08:47,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:08:47,703 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:08:47,703 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:08:47,707 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:08:47,708 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:08:47,709 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:08:47" (1/3) ... [2020-11-28 03:08:47,710 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c019031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:08:47, skipping insertion in model container [2020-11-28 03:08:47,711 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:08:47,711 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:47" (2/3) ... [2020-11-28 03:08:47,712 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c019031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:08:47, skipping insertion in model container [2020-11-28 03:08:47,712 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:08:47,712 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:08:47" (3/3) ... [2020-11-28 03:08:47,713 INFO L373 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2020-11-28 03:08:47,777 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:08:47,777 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:08:47,778 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:08:47,778 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:08:47,778 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:08:47,778 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:08:47,778 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:08:47,778 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:08:47,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-11-28 03:08:47,804 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:08:47,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:08:47,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:08:47,810 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:08:47,811 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:08:47,811 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:08:47,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-11-28 03:08:47,812 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:08:47,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:08:47,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:08:47,813 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:08:47,813 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:08:47,820 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~a~0, main_~x~0, main_~max~0;havoc main_~a~0;havoc main_~x~0;havoc main_~max~0;main_~max~0 := main_#t~nondet0;havoc main_#t~nondet0; 5#L16true assume main_~max~0 > 0;main_~a~0 := 0;main_~x~0 := 1; 6#L19-2true [2020-11-28 03:08:47,820 INFO L796 eck$LassoCheckResult]: Loop: 6#L19-2true assume !!(main_~x~0 < main_~max~0); 11#L20true assume 0 != main_#t~nondet1;havoc main_#t~nondet1;main_~a~0 := 1 + main_~a~0; 9#L20-2true main_~x~0 := 1 + main_~x~0; 6#L19-2true [2020-11-28 03:08:47,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:47,826 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2020-11-28 03:08:47,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:47,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043531825] [2020-11-28 03:08:47,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:08:47,912 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:08:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:08:47,931 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:08:47,948 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:08:47,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:47,955 INFO L82 PathProgramCache]: Analyzing trace with hash 42800, now seen corresponding path program 1 times [2020-11-28 03:08:47,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:47,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592120831] [2020-11-28 03:08:47,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:08:47,978 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:08:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:08:47,983 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:08:47,985 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:08:47,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:47,987 INFO L82 PathProgramCache]: Analyzing trace with hash 29684845, now seen corresponding path program 1 times [2020-11-28 03:08:47,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:47,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467461579] [2020-11-28 03:08:47,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:08:48,015 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:08:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:08:48,040 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:08:48,042 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:08:48,146 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:08:48,146 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:08:48,147 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:08:48,147 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:08:48,147 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:08:48,147 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:08:48,147 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:08:48,147 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:08:48,147 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random1d-2.c_Iteration1_Loop [2020-11-28 03:08:48,148 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:08:48,148 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:08:48,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:08:48,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:08:48,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:08:48,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:08:48,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:08:48,383 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:08:48,384 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/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) [2020-11-28 03:08:48,390 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:08:48,390 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:08:48,401 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:08:48,401 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/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) [2020-11-28 03:08:48,446 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:08:48,447 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:08:48,451 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:08:48,451 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/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 [2020-11-28 03:08:48,481 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:08:48,481 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/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 [2020-11-28 03:08:48,521 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:08:48,521 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:08:48,669 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:08:48,671 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:08:48,671 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:08:48,671 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:08:48,671 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:08:48,671 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:08:48,671 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:08:48,671 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:08:48,671 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:08:48,672 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random1d-2.c_Iteration1_Loop [2020-11-28 03:08:48,672 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:08:48,672 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:08:48,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:08:48,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:08:48,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:08:48,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:08:48,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:08:48,846 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:08:48,850 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/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) [2020-11-28 03:08:48,856 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 [2020-11-28 03:08:48,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:08:48,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:08:48,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:08:48,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:08:48,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:08:48,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:08:48,880 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/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 [2020-11-28 03:08:48,926 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 [2020-11-28 03:08:48,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:08:48,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:08:48,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:08:48,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:08:48,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:08:48,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:08:48,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/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 [2020-11-28 03:08:49,003 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 [2020-11-28 03:08:49,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:08:49,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:08:49,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:08:49,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:08:49,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:08:49,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:08:49,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:08:49,010 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:08:49,016 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-28 03:08:49,017 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ebb0684-c704-46e9-afb4-fd135f6aa6da/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) [2020-11-28 03:08:49,025 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:08:49,025 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:08:49,026 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:08:49,026 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~max~0) = -1*ULTIMATE.start_main_~x~0 + 1*ULTIMATE.start_main_~max~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:08:49,056 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:08:49,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:49,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:08:49,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:08:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:49,122 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:08:49,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:08:49,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:08:49,156 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-28 03:08:49,158 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2020-11-28 03:08:49,219 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 24 states and 30 transitions. Complement of second has 7 states. [2020-11-28 03:08:49,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:08:49,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:08:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2020-11-28 03:08:49,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 3 letters. [2020-11-28 03:08:49,225 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:08:49,225 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 3 letters. [2020-11-28 03:08:49,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:08:49,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 6 letters. [2020-11-28 03:08:49,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:08:49,227 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2020-11-28 03:08:49,234 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:08:49,236 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2020-11-28 03:08:49,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:08:49,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:08:49,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:08:49,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:08:49,239 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:08:49,239 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:08:49,239 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:08:49,239 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:08:49,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:08:49,239 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:08:49,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:08:49,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:08:49 BoogieIcfgContainer [2020-11-28 03:08:49,245 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:08:49,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:08:49,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:08:49,248 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:08:49,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:08:47" (3/4) ... [2020-11-28 03:08:49,252 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:08:49,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:08:49,255 INFO L168 Benchmark]: Toolchain (without parser) took 2063.89 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 59.3 MB in the beginning and 79.2 MB in the end (delta: -19.9 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:49,256 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory is still 45.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:08:49,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.94 ms. Allocated memory is still 90.2 MB. Free memory was 59.0 MB in the beginning and 69.0 MB in the end (delta: -10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:49,259 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.59 ms. Allocated memory is still 90.2 MB. Free memory was 69.0 MB in the beginning and 67.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:08:49,260 INFO L168 Benchmark]: Boogie Preprocessor took 15.40 ms. Allocated memory is still 90.2 MB. Free memory was 67.8 MB in the beginning and 66.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:08:49,261 INFO L168 Benchmark]: RCFGBuilder took 240.29 ms. Allocated memory is still 90.2 MB. Free memory was 66.7 MB in the beginning and 58.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:49,262 INFO L168 Benchmark]: BuchiAutomizer took 1542.75 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 58.6 MB in the beginning and 79.2 MB in the end (delta: -20.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:49,264 INFO L168 Benchmark]: Witness Printer took 4.24 ms. Allocated memory is still 117.4 MB. Free memory is still 79.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:08:49,271 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory is still 45.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 207.94 ms. Allocated memory is still 90.2 MB. Free memory was 59.0 MB in the beginning and 69.0 MB in the end (delta: -10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.59 ms. Allocated memory is still 90.2 MB. Free memory was 69.0 MB in the beginning and 67.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 15.40 ms. Allocated memory is still 90.2 MB. Free memory was 67.8 MB in the beginning and 66.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 240.29 ms. Allocated memory is still 90.2 MB. Free memory was 66.7 MB in the beginning and 58.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1542.75 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 58.6 MB in the beginning and 79.2 MB in the end (delta: -20.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.24 ms. Allocated memory is still 117.4 MB. Free memory is still 79.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x + max and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 11 SDslu, 8 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax163 hnf100 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...