./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.04-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_63a807cd-ceea-4dc4-88f3-266b70f8f7de/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_63a807cd-ceea-4dc4-88f3-266b70f8f7de/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_63a807cd-ceea-4dc4-88f3-266b70f8f7de/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_63a807cd-ceea-4dc4-88f3-266b70f8f7de/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.04-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_63a807cd-ceea-4dc4-88f3-266b70f8f7de/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_63a807cd-ceea-4dc4-88f3-266b70f8f7de/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 ccf04b55a9dc12e714cd9b0ac904f1f1cad109e6 ............................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 00:36:47,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:36:47,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:36:47,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:36:47,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:36:47,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:36:47,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:36:47,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:36:47,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:36:47,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:36:47,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:36:47,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:36:47,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:36:47,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:36:47,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:36:47,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:36:47,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:36:47,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:36:47,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:36:47,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:36:47,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:36:47,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:36:47,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:36:47,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:36:47,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:36:47,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:36:47,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:36:47,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:36:47,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:36:47,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:36:47,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:36:47,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:36:47,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:36:47,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:36:47,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:36:47,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:36:47,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:36:47,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:36:47,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:36:47,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:36:47,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:36:47,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_63a807cd-ceea-4dc4-88f3-266b70f8f7de/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 00:36:47,293 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:36:47,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:36:47,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:36:47,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:36:47,295 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:36:47,295 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 00:36:47,295 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 00:36:47,296 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 00:36:47,296 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 00:36:47,296 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 00:36:47,296 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 00:36:47,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:36:47,297 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 00:36:47,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:36:47,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:36:47,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 00:36:47,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 00:36:47,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 00:36:47,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:36:47,298 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 00:36:47,298 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:36:47,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 00:36:47,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:36:47,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:36:47,299 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 00:36:47,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:36:47,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:36:47,300 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 00:36:47,300 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 00:36:47,301 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_63a807cd-ceea-4dc4-88f3-266b70f8f7de/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 -> ccf04b55a9dc12e714cd9b0ac904f1f1cad109e6 [2019-11-20 00:36:47,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:36:47,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:36:47,455 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:36:47,456 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:36:47,458 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:36:47,459 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_63a807cd-ceea-4dc4-88f3-266b70f8f7de/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.04-alloca.i [2019-11-20 00:36:47,513 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63a807cd-ceea-4dc4-88f3-266b70f8f7de/bin/uautomizer/data/8e71ade5d/d2f3cc7771da4f479bed766e776e5d08/FLAG3a2c4cf61 [2019-11-20 00:36:48,025 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:36:48,026 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_63a807cd-ceea-4dc4-88f3-266b70f8f7de/sv-benchmarks/c/termination-memory-alloca/b.04-alloca.i [2019-11-20 00:36:48,036 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63a807cd-ceea-4dc4-88f3-266b70f8f7de/bin/uautomizer/data/8e71ade5d/d2f3cc7771da4f479bed766e776e5d08/FLAG3a2c4cf61 [2019-11-20 00:36:48,301 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_63a807cd-ceea-4dc4-88f3-266b70f8f7de/bin/uautomizer/data/8e71ade5d/d2f3cc7771da4f479bed766e776e5d08 [2019-11-20 00:36:48,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:36:48,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:36:48,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:36:48,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:36:48,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:36:48,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:36:48" (1/1) ... [2019-11-20 00:36:48,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79939731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:48, skipping insertion in model container [2019-11-20 00:36:48,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:36:48" (1/1) ... [2019-11-20 00:36:48,314 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:36:48,355 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:36:48,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:36:48,707 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:36:48,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:36:48,795 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:36:48,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:48 WrapperNode [2019-11-20 00:36:48,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:36:48,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:36:48,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:36:48,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:36:48,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:48" (1/1) ... [2019-11-20 00:36:48,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:48" (1/1) ... [2019-11-20 00:36:48,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:36:48,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:36:48,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:36:48,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:36:48,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:48" (1/1) ... [2019-11-20 00:36:48,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:48" (1/1) ... [2019-11-20 00:36:48,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:48" (1/1) ... [2019-11-20 00:36:48,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:48" (1/1) ... [2019-11-20 00:36:48,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:48" (1/1) ... [2019-11-20 00:36:48,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:48" (1/1) ... [2019-11-20 00:36:48,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:48" (1/1) ... [2019-11-20 00:36:48,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:36:48,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:36:48,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:36:48,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:36:48,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63a807cd-ceea-4dc4-88f3-266b70f8f7de/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:36:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 00:36:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 00:36:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:36:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 00:36:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:36:48,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:36:49,153 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:36:49,153 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 00:36:49,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:36:49 BoogieIcfgContainer [2019-11-20 00:36:49,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:36:49,155 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 00:36:49,155 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 00:36:49,164 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 00:36:49,165 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:36:49,166 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:36:48" (1/3) ... [2019-11-20 00:36:49,167 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4defa83a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:36:49, skipping insertion in model container [2019-11-20 00:36:49,167 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:36:49,167 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:48" (2/3) ... [2019-11-20 00:36:49,167 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4defa83a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:36:49, skipping insertion in model container [2019-11-20 00:36:49,168 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:36:49,168 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:36:49" (3/3) ... [2019-11-20 00:36:49,169 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.04-alloca.i [2019-11-20 00:36:49,229 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 00:36:49,230 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 00:36:49,230 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 00:36:49,230 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:36:49,230 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:36:49,230 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 00:36:49,230 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:36:49,231 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 00:36:49,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-20 00:36:49,262 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 00:36:49,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:36:49,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:36:49,268 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 00:36:49,268 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 00:36:49,268 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 00:36:49,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-20 00:36:49,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 00:36:49,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:36:49,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:36:49,270 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 00:36:49,270 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 00:36:49,277 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~ret14;test_fun_#in~x, test_fun_#in~y, test_fun_#in~tmp := main_#t~nondet11, main_#t~nondet12, main_#t~nondet13;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem10, test_fun_~x, test_fun_~y, test_fun_~tmp, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4); 6#L555-3true [2019-11-20 00:36:49,277 INFO L796 eck$LassoCheckResult]: Loop: 6#L555-3true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 11#L555-1true assume !!(test_fun_#t~mem5 > test_fun_#t~mem6);havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem7, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem8, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(test_fun_#t~mem9, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem9; 6#L555-3true [2019-11-20 00:36:49,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:36:49,282 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-20 00:36:49,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:36:49,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244123501] [2019-11-20 00:36:49,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:36:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:36:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:36:49,455 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:36:49,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:36:49,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2019-11-20 00:36:49,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:36:49,457 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888759333] [2019-11-20 00:36:49,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:36:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:36:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:36:49,491 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:36:49,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:36:49,493 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-11-20 00:36:49,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:36:49,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680397613] [2019-11-20 00:36:49,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:36:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:36:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:36:49,564 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:36:49,674 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-11-20 00:36:50,221 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 85 [2019-11-20 00:36:50,394 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-11-20 00:36:50,407 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 00:36:50,408 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 00:36:50,408 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 00:36:50,408 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 00:36:50,408 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 00:36:50,409 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:36:50,409 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 00:36:50,409 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 00:36:50,409 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.04-alloca.i_Iteration1_Lasso [2019-11-20 00:36:50,409 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 00:36:50,410 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 00:36:50,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:36:50,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:36:50,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:36:50,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:36:50,933 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2019-11-20 00:36:51,084 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-11-20 00:36:51,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:36:51,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:36:51,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:36:51,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:36:51,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:36:51,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:36:51,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:36:51,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:36:51,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:36:51,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:36:51,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:36:51,753 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 00:36:51,758 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63a807cd-ceea-4dc4-88f3-266b70f8f7de/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:36:51,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:36:51,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:36:51,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:36:51,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:36:51,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:36:51,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:36:51,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:36:51,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:36:51,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63a807cd-ceea-4dc4-88f3-266b70f8f7de/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) [2019-11-20 00:36:51,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:36:51,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:36:51,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:36:51,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:36:51,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:36:51,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:36:51,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:36:51,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:36:51,832 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63a807cd-ceea-4dc4-88f3-266b70f8f7de/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:36:51,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:36:51,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:36:51,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:36:51,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:36:51,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:36:51,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:36:51,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:36:51,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:36:51,859 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63a807cd-ceea-4dc4-88f3-266b70f8f7de/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:36:51,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:36:51,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:36:51,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:36:51,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:36:51,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:36:51,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:36:51,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:36:51,907 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 00:36:51,965 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-20 00:36:51,965 INFO L444 ModelExtractionUtils]: 15 out of 40 variables were initially zero. Simplification set additionally 22 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63a807cd-ceea-4dc4-88f3-266b70f8f7de/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:36:51,983 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:36:51,988 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 00:36:51,988 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 00:36:51,989 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2019-11-20 00:36:52,130 INFO L297 tatePredicateManager]: 24 out of 24 supporting invariants were superfluous and have been removed [2019-11-20 00:36:52,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 00:36:52,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 00:36:52,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:36:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:36:52,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 00:36:52,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:36:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:36:52,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 00:36:52,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:36:52,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:36:52,256 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 [2019-11-20 00:36:52,257 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2019-11-20 00:36:52,310 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 21 states and 23 transitions. Complement of second has 7 states. [2019-11-20 00:36:52,312 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 [2019-11-20 00:36:52,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 00:36:52,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2019-11-20 00:36:52,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-20 00:36:52,315 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:36:52,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-20 00:36:52,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:36:52,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-20 00:36:52,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:36:52,317 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2019-11-20 00:36:52,319 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 00:36:52,321 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2019-11-20 00:36:52,322 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 00:36:52,322 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 00:36:52,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 00:36:52,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 00:36:52,323 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:36:52,323 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:36:52,323 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:36:52,323 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 00:36:52,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 00:36:52,324 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 00:36:52,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 00:36:52,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:36:52 BoogieIcfgContainer [2019-11-20 00:36:52,331 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 00:36:52,331 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:36:52,331 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:36:52,332 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:36:52,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:36:49" (3/4) ... [2019-11-20 00:36:52,337 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 00:36:52,337 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:36:52,339 INFO L168 Benchmark]: Toolchain (without parser) took 4034.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -201.3 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:36:52,340 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:36:52,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 491.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -194.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-20 00:36:52,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 00:36:52,342 INFO L168 Benchmark]: Boogie Preprocessor took 23.11 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. [2019-11-20 00:36:52,343 INFO L168 Benchmark]: RCFGBuilder took 294.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-20 00:36:52,344 INFO L168 Benchmark]: BuchiAutomizer took 3176.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -35.3 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2019-11-20 00:36:52,345 INFO L168 Benchmark]: Witness Printer took 6.02 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. [2019-11-20 00:36:52,355 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 491.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -194.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.11 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. * RCFGBuilder took 294.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3176.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -35.3 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Witness Printer took 6.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[y_ref][y_ref] + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. 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: 5 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital406 mio100 ax104 hnf100 lsp94 ukn44 mio100 lsp39 div100 bol100 ite100 ukn100 eq195 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 127ms VariablesStem: 12 VariablesLoop: 5 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...