./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.01-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3b59f425-3f58-48a7-a75c-3b39b33dd0cc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3b59f425-3f58-48a7-a75c-3b39b33dd0cc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3b59f425-3f58-48a7-a75c-3b39b33dd0cc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3b59f425-3f58-48a7-a75c-3b39b33dd0cc/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.01-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3b59f425-3f58-48a7-a75c-3b39b33dd0cc/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3b59f425-3f58-48a7-a75c-3b39b33dd0cc/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 db71d1710cedf453bf2260811ea52ff2239c8a78 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 20:33:49,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:33:49,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:33:49,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:33:49,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:33:49,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:33:49,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:33:49,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:33:49,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:33:49,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:33:49,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:33:49,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:33:49,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:33:49,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:33:49,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:33:49,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:33:49,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:33:49,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:33:49,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:33:49,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:33:49,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:33:49,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:33:49,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:33:49,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:33:49,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:33:49,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:33:49,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:33:49,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:33:49,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:33:49,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:33:49,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:33:49,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:33:49,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:33:49,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:33:49,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:33:49,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:33:49,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:33:49,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:33:49,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:33:49,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:33:49,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:33:49,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3b59f425-3f58-48a7-a75c-3b39b33dd0cc/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-15 20:33:49,947 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:33:49,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:33:49,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:33:49,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:33:49,949 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:33:49,950 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 20:33:49,950 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 20:33:49,950 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 20:33:49,950 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 20:33:49,950 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 20:33:49,951 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 20:33:49,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:33:49,951 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 20:33:49,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:33:49,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:33:49,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 20:33:49,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 20:33:49,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 20:33:49,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:33:49,953 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 20:33:49,953 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:33:49,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 20:33:49,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:33:49,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:33:49,954 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 20:33:49,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:33:49,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:33:49,955 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 20:33:49,956 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 20:33:49,956 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_3b59f425-3f58-48a7-a75c-3b39b33dd0cc/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 -> db71d1710cedf453bf2260811ea52ff2239c8a78 [2019-11-15 20:33:49,981 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:33:49,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:33:49,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:33:49,996 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:33:49,996 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:33:49,997 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3b59f425-3f58-48a7-a75c-3b39b33dd0cc/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.01-alloca.i [2019-11-15 20:33:50,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b59f425-3f58-48a7-a75c-3b39b33dd0cc/bin/uautomizer/data/0cea0c437/a7106d9908c84f638d0194f55a66a59d/FLAGf8d1ee988 [2019-11-15 20:33:50,557 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:33:50,558 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3b59f425-3f58-48a7-a75c-3b39b33dd0cc/sv-benchmarks/c/termination-memory-alloca/b.01-alloca.i [2019-11-15 20:33:50,576 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b59f425-3f58-48a7-a75c-3b39b33dd0cc/bin/uautomizer/data/0cea0c437/a7106d9908c84f638d0194f55a66a59d/FLAGf8d1ee988 [2019-11-15 20:33:51,018 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3b59f425-3f58-48a7-a75c-3b39b33dd0cc/bin/uautomizer/data/0cea0c437/a7106d9908c84f638d0194f55a66a59d [2019-11-15 20:33:51,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:33:51,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:33:51,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:33:51,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:33:51,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:33:51,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:33:51" (1/1) ... [2019-11-15 20:33:51,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b20a63c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:33:51, skipping insertion in model container [2019-11-15 20:33:51,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:33:51" (1/1) ... [2019-11-15 20:33:51,037 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:33:51,079 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:33:51,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:33:51,421 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:33:51,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:33:51,540 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:33:51,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:33:51 WrapperNode [2019-11-15 20:33:51,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:33:51,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:33:51,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:33:51,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:33:51,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:33:51" (1/1) ... [2019-11-15 20:33:51,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:33:51" (1/1) ... [2019-11-15 20:33:51,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:33:51,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:33:51,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:33:51,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:33:51,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:33:51" (1/1) ... [2019-11-15 20:33:51,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:33:51" (1/1) ... [2019-11-15 20:33:51,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:33:51" (1/1) ... [2019-11-15 20:33:51,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:33:51" (1/1) ... [2019-11-15 20:33:51,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:33:51" (1/1) ... [2019-11-15 20:33:51,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:33:51" (1/1) ... [2019-11-15 20:33:51,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:33:51" (1/1) ... [2019-11-15 20:33:51,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:33:51,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:33:51,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:33:51,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:33:51,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:33:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b59f425-3f58-48a7-a75c-3b39b33dd0cc/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 [2019-11-15 20:33:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 20:33:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 20:33:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:33:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:33:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:33:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:33:51,898 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:33:51,898 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 20:33:51,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:33:51 BoogieIcfgContainer [2019-11-15 20:33:51,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:33:51,900 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 20:33:51,900 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 20:33:51,903 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 20:33:51,904 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 20:33:51,904 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 08:33:51" (1/3) ... [2019-11-15 20:33:51,905 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2be338d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 08:33:51, skipping insertion in model container [2019-11-15 20:33:51,905 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 20:33:51,905 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:33:51" (2/3) ... [2019-11-15 20:33:51,906 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2be338d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 08:33:51, skipping insertion in model container [2019-11-15 20:33:51,906 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 20:33:51,906 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:33:51" (3/3) ... [2019-11-15 20:33:51,908 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.01-alloca.i [2019-11-15 20:33:51,947 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 20:33:51,947 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 20:33:51,947 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 20:33:51,947 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:33:51,947 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:33:51,948 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 20:33:51,948 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:33:51,948 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 20:33:51,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-15 20:33:51,974 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-15 20:33:51,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 20:33:51,974 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 20:33:51,979 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-15 20:33:51,979 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-15 20:33:51,980 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 20:33:51,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-15 20:33:51,980 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-15 20:33:51,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 20:33:51,981 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 20:33:51,981 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-15 20:33:51,981 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-15 20:33:51,987 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~nondet10, main_#t~ret11;test_fun_#in~x, test_fun_#in~y := main_#t~nondet9, main_#t~nondet10;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem7, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 6#L555-3true [2019-11-15 20:33:51,987 INFO L793 eck$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~mem5;havoc test_fun_#t~mem6;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 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem7; 6#L555-3true [2019-11-15 20:33:51,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:33:51,991 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-15 20:33:51,997 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:33:51,997 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978397118] [2019-11-15 20:33:51,998 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:33:51,998 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:33:51,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:33:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:33:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:33:52,154 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:33:52,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:33:52,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2019-11-15 20:33:52,155 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:33:52,158 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751528807] [2019-11-15 20:33:52,158 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:33:52,158 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:33:52,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:33:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:33:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:33:52,188 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:33:52,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:33:52,190 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-11-15 20:33:52,190 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:33:52,190 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360226936] [2019-11-15 20:33:52,190 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:33:52,191 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:33:52,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:33:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:33:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:33:52,268 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:33:52,816 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2019-11-15 20:33:52,992 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-11-15 20:33:53,005 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:33:53,007 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:33:53,007 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:33:53,007 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:33:53,008 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 20:33:53,008 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:33:53,008 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:33:53,008 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:33:53,009 INFO L131 ssoRankerPreferences]: Filename of dumped script: b.01-alloca.i_Iteration1_Lasso [2019-11-15 20:33:53,009 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:33:53,009 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:33:53,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:33:53,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:33:53,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:33:53,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:33:53,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:33:53,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:33:53,469 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2019-11-15 20:33:53,589 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-11-15 20:33:53,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:33:53,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:33:53,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:33:53,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:33:53,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:33:53,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:33:53,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:33:54,516 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-11-15 20:33:54,636 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:33:54,640 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 20:33:54,643 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 [2019-11-15 20:33:54,656 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:33:54,656 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:33:54,657 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:33:54,657 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:33:54,658 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:33:54,660 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:33:54,660 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:33:54,677 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:33:54,677 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 [2019-11-15 20:33:54,678 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:33:54,678 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:33:54,679 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:33:54,679 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:33:54,679 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:33:54,680 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:33:54,680 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:33:54,681 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:33:54,681 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 [2019-11-15 20:33:54,682 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:33:54,682 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:33:54,683 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:33:54,683 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:33:54,685 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:33:54,686 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 20:33:54,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:33:54,698 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 [2019-11-15 20:33:54,699 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:33:54,700 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:33:54,700 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:33:54,700 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:33:54,700 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:33:54,701 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:33:54,701 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:33:54,702 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:33:54,706 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 [2019-11-15 20:33:54,707 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:33:54,707 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:33:54,707 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:33:54,707 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:33:54,709 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:33:54,711 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 20:33:54,714 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:33:54,716 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 [2019-11-15 20:33:54,719 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:33:54,720 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:33:54,720 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:33:54,720 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:33:54,726 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:33:54,727 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 20:33:54,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:33:54,768 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 [2019-11-15 20:33:54,770 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:33:54,770 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:33:54,770 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:33:54,770 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:33:54,772 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:33:54,772 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 20:33:54,782 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:33:54,782 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 [2019-11-15 20:33:54,783 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:33:54,783 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:33:54,783 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:33:54,784 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:33:54,785 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:33:54,785 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 20:33:54,788 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:33:54,794 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 [2019-11-15 20:33:54,795 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:33:54,796 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:33:54,796 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:33:54,796 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:33:54,797 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:33:54,800 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 20:33:54,804 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:33:54,811 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 [2019-11-15 20:33:54,812 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:33:54,812 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:33:54,812 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:33:54,812 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:33:54,814 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:33:54,814 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 20:33:54,818 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:33:54,830 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 [2019-11-15 20:33:54,831 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:33:54,831 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:33:54,831 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:33:54,831 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:33:54,833 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:33:54,833 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 20:33:54,836 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:33:54,836 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 [2019-11-15 20:33:54,837 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:33:54,838 INFO L202 nArgumentSynthesizer]: 8 stem disjuncts [2019-11-15 20:33:54,840 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:33:54,840 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:33:54,848 INFO L400 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-11-15 20:33:54,850 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 20:33:54,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:33:54,938 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 [2019-11-15 20:33:54,940 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:33:54,941 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:33:54,941 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:33:54,941 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:33:54,948 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:33:54,948 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 20:33:54,978 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 20:33:55,005 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-15 20:33:55,006 INFO L444 ModelExtractionUtils]: 24 out of 28 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-11-15 20:33:55,009 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 20:33:55,015 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-15 20:33:55,015 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 20:33:55,016 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 [] [2019-11-15 20:33:55,076 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2019-11-15 20:33:55,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-15 20:33:55,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-15 20:33:55,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:33:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:33:55,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 20:33:55,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:33:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:33:55,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-15 20:33:55,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:33:55,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:33:55,189 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 [2019-11-15 20:33:55,191 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2019-11-15 20:33:55,244 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. [2019-11-15 20:33:55,245 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 [2019-11-15 20:33:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-15 20:33:55,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2019-11-15 20:33:55,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-15 20:33:55,249 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 20:33:55,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-15 20:33:55,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 20:33:55,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-15 20:33:55,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 20:33:55,251 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2019-11-15 20:33:55,252 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 20:33:55,255 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2019-11-15 20:33:55,256 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 20:33:55,257 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 20:33:55,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 20:33:55,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 20:33:55,257 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:33:55,258 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:33:55,258 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:33:55,258 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 20:33:55,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-15 20:33:55,258 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 20:33:55,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 20:33:55,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 08:33:55 BoogieIcfgContainer [2019-11-15 20:33:55,264 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 20:33:55,265 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:33:55,265 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:33:55,265 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:33:55,266 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:33:51" (3/4) ... [2019-11-15 20:33:55,269 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 20:33:55,269 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:33:55,271 INFO L168 Benchmark]: Toolchain (without parser) took 4249.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.4 MB in the beginning and 1.0 GB in the end (delta: -61.6 MB). Peak memory consumption was 80.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:33:55,272 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. [2019-11-15 20:33:55,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-15 20:33:55,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.33 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. [2019-11-15 20:33:55,273 INFO L168 Benchmark]: Boogie Preprocessor took 23.90 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. [2019-11-15 20:33:55,274 INFO L168 Benchmark]: RCFGBuilder took 299.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:33:55,274 INFO L168 Benchmark]: BuchiAutomizer took 3364.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.2 MB). Peak memory consumption was 101.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:33:55,275 INFO L168 Benchmark]: Witness Printer took 4.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:33:55,278 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 517.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.33 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 23.90 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 299.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3364.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.2 MB). Peak memory consumption was 101.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 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 3.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. 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: inital245 mio100 ax107 hnf100 lsp90 ukn67 mio100 lsp31 div100 bol100 ite100 ukn100 eq194 hnf87 smp100 dnf383 smp91 tf100 neg92 sie127 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 100ms VariablesStem: 7 VariablesLoop: 4 DisjunctsStem: 8 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 20 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...