./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/terminator_01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_e625d40e-d850-408e-9936-a85cb402ae0d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_01.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/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 32bit --witnessprinter.graph.data.programhash 32428afd68005bcf440791010506ff25981be905 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:12:54,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:12:54,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:12:54,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:12:54,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:12:54,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:12:54,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:12:54,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:12:54,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:12:54,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:12:54,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:12:54,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:12:54,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:12:54,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:12:54,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:12:54,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:12:54,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:12:54,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:12:54,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:12:54,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:12:54,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:12:54,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:12:54,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:12:54,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:12:54,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:12:54,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:12:54,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:12:54,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:12:54,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:12:54,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:12:54,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:12:54,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:12:54,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:12:54,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:12:54,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:12:54,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:12:54,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:12:54,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:12:54,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:12:54,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:12:54,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:12:54,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:12:54,268 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:12:54,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:12:54,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:12:54,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:12:54,269 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:12:54,270 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:12:54,270 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:12:54,270 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:12:54,270 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:12:54,270 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:12:54,271 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:12:54,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:12:54,271 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:12:54,271 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:12:54,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:12:54,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:12:54,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:12:54,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:12:54,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:12:54,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:12:54,272 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:12:54,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:12:54,273 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:12:54,273 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:12:54,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:12:54,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:12:54,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:12:54,274 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:12:54,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:12:54,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:12:54,274 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:12:54,275 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:12:54,275 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_e625d40e-d850-408e-9936-a85cb402ae0d/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32428afd68005bcf440791010506ff25981be905 [2019-11-19 22:12:54,412 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:12:54,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:12:54,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:12:54,427 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:12:54,428 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:12:54,428 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/bin/uautomizer/../../sv-benchmarks/c/loops/terminator_01.c [2019-11-19 22:12:54,491 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/bin/uautomizer/data/66c509d68/a84280e8956e44e18506039d2d4e3011/FLAG1be80deb0 [2019-11-19 22:12:54,845 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:12:54,846 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/sv-benchmarks/c/loops/terminator_01.c [2019-11-19 22:12:54,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/bin/uautomizer/data/66c509d68/a84280e8956e44e18506039d2d4e3011/FLAG1be80deb0 [2019-11-19 22:12:55,282 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/bin/uautomizer/data/66c509d68/a84280e8956e44e18506039d2d4e3011 [2019-11-19 22:12:55,285 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:12:55,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:12:55,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:12:55,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:12:55,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:12:55,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:12:55" (1/1) ... [2019-11-19 22:12:55,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e1e198c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:12:55, skipping insertion in model container [2019-11-19 22:12:55,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:12:55" (1/1) ... [2019-11-19 22:12:55,302 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:12:55,317 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:12:55,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:12:55,500 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:12:55,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:12:55,650 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:12:55,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:12:55 WrapperNode [2019-11-19 22:12:55,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:12:55,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:12:55,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:12:55,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:12:55,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:12:55" (1/1) ... [2019-11-19 22:12:55,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:12:55" (1/1) ... [2019-11-19 22:12:55,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:12:55,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:12:55,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:12:55,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:12:55,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:12:55" (1/1) ... [2019-11-19 22:12:55,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:12:55" (1/1) ... [2019-11-19 22:12:55,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:12:55" (1/1) ... [2019-11-19 22:12:55,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:12:55" (1/1) ... [2019-11-19 22:12:55,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:12:55" (1/1) ... [2019-11-19 22:12:55,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:12:55" (1/1) ... [2019-11-19 22:12:55,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:12:55" (1/1) ... [2019-11-19 22:12:55,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:12:55,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:12:55,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:12:55,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:12:55,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:12:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/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 22:12:55,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 22:12:55,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:12:55,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:12:55,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 22:12:55,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:12:55,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:12:55,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:12:55,950 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:12:55,950 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 22:12:55,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:12:55 BoogieIcfgContainer [2019-11-19 22:12:55,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:12:55,952 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:12:55,952 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:12:55,956 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:12:55,956 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:12:55,956 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:12:55" (1/3) ... [2019-11-19 22:12:55,957 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a72ef28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:12:55, skipping insertion in model container [2019-11-19 22:12:55,958 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:12:55,958 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:12:55" (2/3) ... [2019-11-19 22:12:55,958 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a72ef28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:12:55, skipping insertion in model container [2019-11-19 22:12:55,958 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:12:55,958 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:12:55" (3/3) ... [2019-11-19 22:12:55,960 INFO L371 chiAutomizerObserver]: Analyzing ICFG terminator_01.c [2019-11-19 22:12:56,004 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:12:56,004 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:12:56,004 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:12:56,004 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:12:56,004 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:12:56,005 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:12:56,005 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:12:56,005 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:12:56,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-19 22:12:56,036 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 22:12:56,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:12:56,037 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:12:56,043 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 22:12:56,043 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:12:56,043 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:12:56,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-19 22:12:56,044 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 22:12:56,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:12:56,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:12:56,045 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 22:12:56,045 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:12:56,053 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~post3, main_#t~mem1, main_~#x~0.base, main_~#x~0.offset, main_~p~0.base, main_~p~0.offset;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4);call write~init~int(main_#t~nondet0, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~nondet0;main_~p~0.base, main_~p~0.offset := main_~#x~0.base, main_~#x~0.offset; 11#L16-3true [2019-11-19 22:12:56,053 INFO L796 eck$LassoCheckResult]: Loop: 11#L16-3true call main_#t~mem1 := read~int(main_~#x~0.base, main_~#x~0.offset, 4); 4#L16-1true assume !!(main_#t~mem1 < 100);havoc main_#t~mem1;call main_#t~mem2 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post3 := main_#t~mem2;call write~int(1 + main_#t~post3, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~mem2;havoc main_#t~post3; 11#L16-3true [2019-11-19 22:12:56,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:12:56,059 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-19 22:12:56,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:12:56,067 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264640371] [2019-11-19 22:12:56,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:12:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:12:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:12:56,189 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:12:56,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:12:56,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2019-11-19 22:12:56,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:12:56,191 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094065213] [2019-11-19 22:12:56,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:12:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:12:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:12:56,217 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:12:56,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:12:56,218 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-11-19 22:12:56,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:12:56,219 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905967367] [2019-11-19 22:12:56,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:12:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:12:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:12:56,255 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:12:56,489 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:12:56,490 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:12:56,490 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:12:56,490 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:12:56,491 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:12:56,491 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:12:56,491 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:12:56,491 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:12:56,491 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_01.c_Iteration1_Lasso [2019-11-19 22:12:56,491 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:12:56,492 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:12:56,516 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 22:12:56,521 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 22:12:56,523 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 22:12:56,527 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 22:12:56,532 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 22:12:56,539 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 22:12:56,712 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 22:12:56,716 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 22:12:56,955 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:12:56,960 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/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) [2019-11-19 22:12:56,975 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 22:12:56,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:12:56,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:12:56,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:12:56,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:12:56,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:12:56,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:12:56,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:12:56,984 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/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 22:12:57,006 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 22:12:57,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:12:57,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:12:57,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:12:57,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:12:57,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:12:57,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:12:57,009 INFO L402 nArgumentSynthesizer]: A total of 0 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 22:12:57,011 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:12:57,026 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 22:12:57,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:12:57,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:12:57,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:12:57,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:12:57,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:12:57,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:12:57,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/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) [2019-11-19 22:12:57,050 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 22:12:57,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:12:57,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:12:57,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:12:57,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:12:57,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:12:57,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:12:57,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:12:57,057 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/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 22:12:57,074 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 22:12:57,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:12:57,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:12:57,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:12:57,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:12:57,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:12:57,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:12:57,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:12:57,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/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) [2019-11-19 22:12:57,098 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 22:12:57,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:12:57,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:12:57,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:12:57,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:12:57,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:12:57,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:12:57,120 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/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) [2019-11-19 22:12:57,131 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 22:12:57,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:12:57,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:12:57,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:12:57,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:12:57,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:12:57,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:12:57,157 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/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 22:12:57,187 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 22:12:57,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:12:57,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:12:57,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:12:57,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:12:57,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:12:57,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:12:57,209 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/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 22:12:57,224 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 22:12:57,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:12:57,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:12:57,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:12:57,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:12:57,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:12:57,229 INFO L402 nArgumentSynthesizer]: A total of 2 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 22:12:57,233 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:12:57,252 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 22:12:57,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:12:57,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:12:57,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:12:57,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:12:57,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:12:57,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:12:57,273 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:12:57,312 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-19 22:12:57,313 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e625d40e-d850-408e-9936-a85cb402ae0d/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 22:12:57,331 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:12:57,334 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:12:57,335 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:12:57,335 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~#x~0.base) ULTIMATE.start_main_~#x~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~#x~0.base) ULTIMATE.start_main_~#x~0.offset)_1 + 199 Supporting invariants [] [2019-11-19 22:12:57,355 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2019-11-19 22:12:57,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:12:57,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:12:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:12:57,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 22:12:57,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:12:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:12:57,454 WARN L253 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-19 22:12:57,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:12:57,482 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 22:12:57,497 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 [2019-11-19 22:12:57,498 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2019-11-19 22:12:57,596 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 24 states and 28 transitions. Complement of second has 8 states. [2019-11-19 22:12:57,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 22:12:57,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:12:57,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2019-11-19 22:12:57,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-19 22:12:57,602 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:12:57,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-19 22:12:57,602 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:12:57,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-19 22:12:57,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:12:57,604 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 28 transitions. [2019-11-19 22:12:57,606 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:12:57,608 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-11-19 22:12:57,609 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:12:57,609 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:12:57,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:12:57,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:12:57,610 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:12:57,610 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:12:57,611 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:12:57,611 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:12:57,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:12:57,611 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:12:57,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:12:57,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:12:57 BoogieIcfgContainer [2019-11-19 22:12:57,620 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:12:57,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:12:57,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:12:57,621 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:12:57,622 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:12:55" (3/4) ... [2019-11-19 22:12:57,625 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:12:57,625 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:12:57,629 INFO L168 Benchmark]: Toolchain (without parser) took 2340.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 943.4 MB in the beginning and 935.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 163.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:12:57,629 INFO L168 Benchmark]: CDTParser took 0.24 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 22:12:57,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -206.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:12:57,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.74 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 22:12:57,631 INFO L168 Benchmark]: Boogie Preprocessor took 18.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:12:57,632 INFO L168 Benchmark]: RCFGBuilder took 247.20 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: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:12:57,637 INFO L168 Benchmark]: BuchiAutomizer took 1668.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 935.3 MB in the end (delta: 188.9 MB). Peak memory consumption was 188.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:12:57,637 INFO L168 Benchmark]: Witness Printer took 4.89 ms. Allocated memory is still 1.2 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:12:57,642 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 365.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -206.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.74 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 18.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 247.20 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: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1668.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 935.3 MB in the end (delta: 188.9 MB). Peak memory consumption was 188.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.89 ms. Allocated memory is still 1.2 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[x][x] + 199 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 5 SDtfs, 4 SDslu, 6 SDs, 0 SdLazy, 10 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital100 mio100 ax100 hnf100 lsp93 ukn78 mio100 lsp37 div100 bol100 ite100 ukn100 eq185 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms 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...