./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_malloc.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_4f15c6e5-dd9b-474a-b355-125aa5082441/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4f15c6e5-dd9b-474a-b355-125aa5082441/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4f15c6e5-dd9b-474a-b355-125aa5082441/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4f15c6e5-dd9b-474a-b355-125aa5082441/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_malloc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4f15c6e5-dd9b-474a-b355-125aa5082441/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4f15c6e5-dd9b-474a-b355-125aa5082441/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 09ae4d51b580facdb6980454a5f3a8886f91c21b .......................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:04:11,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:04:11,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:04:11,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:04:11,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:04:11,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:04:11,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:04:11,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:04:11,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:04:11,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:04:11,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:04:11,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:04:11,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:04:11,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:04:11,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:04:11,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:04:11,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:04:11,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:04:11,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:04:11,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:04:11,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:04:11,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:04:11,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:04:11,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:04:11,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:04:11,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:04:11,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:04:11,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:04:11,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:04:11,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:04:11,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:04:11,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:04:11,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:04:11,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:04:11,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:04:11,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:04:11,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:04:11,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:04:11,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:04:11,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:04:11,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:04:11,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4f15c6e5-dd9b-474a-b355-125aa5082441/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-16 00:04:11,112 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:04:11,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:04:11,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:04:11,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:04:11,124 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:04:11,125 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 00:04:11,125 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 00:04:11,125 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 00:04:11,125 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 00:04:11,126 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 00:04:11,126 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 00:04:11,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:04:11,126 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:04:11,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:04:11,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:04:11,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 00:04:11,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 00:04:11,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 00:04:11,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:04:11,129 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 00:04:11,129 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:04:11,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 00:04:11,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:04:11,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:04:11,130 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 00:04:11,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:04:11,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:04:11,131 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 00:04:11,132 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 00:04:11,135 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_4f15c6e5-dd9b-474a-b355-125aa5082441/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 -> 09ae4d51b580facdb6980454a5f3a8886f91c21b [2019-11-16 00:04:11,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:04:11,189 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:04:11,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:04:11,203 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:04:11,205 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:04:11,206 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4f15c6e5-dd9b-474a-b355-125aa5082441/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2019-11-16 00:04:11,271 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4f15c6e5-dd9b-474a-b355-125aa5082441/bin/uautomizer/data/5ddc15aa3/766b6e5e96654925bf9a4800fa2fbdd4/FLAG2abfcdd0b [2019-11-16 00:04:11,705 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:04:11,708 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4f15c6e5-dd9b-474a-b355-125aa5082441/sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2019-11-16 00:04:11,723 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4f15c6e5-dd9b-474a-b355-125aa5082441/bin/uautomizer/data/5ddc15aa3/766b6e5e96654925bf9a4800fa2fbdd4/FLAG2abfcdd0b [2019-11-16 00:04:12,021 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4f15c6e5-dd9b-474a-b355-125aa5082441/bin/uautomizer/data/5ddc15aa3/766b6e5e96654925bf9a4800fa2fbdd4 [2019-11-16 00:04:12,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:04:12,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:04:12,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:04:12,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:04:12,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:04:12,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:04:12" (1/1) ... [2019-11-16 00:04:12,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634fcc66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:12, skipping insertion in model container [2019-11-16 00:04:12,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:04:12" (1/1) ... [2019-11-16 00:04:12,044 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:04:12,086 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:04:12,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:04:12,549 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:04:12,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:04:12,643 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:04:12,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:12 WrapperNode [2019-11-16 00:04:12,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:04:12,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:04:12,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:04:12,645 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:04:12,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:12" (1/1) ... [2019-11-16 00:04:12,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:12" (1/1) ... [2019-11-16 00:04:12,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:04:12,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:04:12,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:04:12,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:04:12,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:12" (1/1) ... [2019-11-16 00:04:12,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:12" (1/1) ... [2019-11-16 00:04:12,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:12" (1/1) ... [2019-11-16 00:04:12,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:12" (1/1) ... [2019-11-16 00:04:12,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:12" (1/1) ... [2019-11-16 00:04:12,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:12" (1/1) ... [2019-11-16 00:04:12,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:12" (1/1) ... [2019-11-16 00:04:12,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:04:12,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:04:12,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:04:12,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:04:12,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4f15c6e5-dd9b-474a-b355-125aa5082441/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 [2019-11-16 00:04:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-16 00:04:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:04:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-16 00:04:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:04:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:04:12,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:04:13,074 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:04:13,074 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-16 00:04:13,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:04:13 BoogieIcfgContainer [2019-11-16 00:04:13,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:04:13,076 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-16 00:04:13,077 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-16 00:04:13,080 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-16 00:04:13,081 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:04:13,081 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:04:12" (1/3) ... [2019-11-16 00:04:13,082 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24d3eebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:04:13, skipping insertion in model container [2019-11-16 00:04:13,082 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:04:13,083 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:12" (2/3) ... [2019-11-16 00:04:13,083 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24d3eebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:04:13, skipping insertion in model container [2019-11-16 00:04:13,083 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:04:13,083 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:04:13" (3/3) ... [2019-11-16 00:04:13,085 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcpy_malloc.i [2019-11-16 00:04:13,125 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-16 00:04:13,126 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-16 00:04:13,126 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-16 00:04:13,126 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:04:13,126 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:04:13,126 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-16 00:04:13,126 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:04:13,126 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-16 00:04:13,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-16 00:04:13,161 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-16 00:04:13,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:04:13,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:04:13,168 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-16 00:04:13,169 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-16 00:04:13,169 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-16 00:04:13,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-16 00:04:13,170 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-16 00:04:13,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:04:13,170 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:04:13,171 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-16 00:04:13,171 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-16 00:04:13,176 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet208, main_#t~nondet209, main_#t~malloc210.base, main_#t~malloc210.offset, main_#t~malloc211.base, main_#t~malloc211.offset, main_#t~ret212.base, main_#t~ret212.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet208;havoc main_#t~nondet208;main_~length2~0 := main_#t~nondet209;havoc main_#t~nondet209; 9#L375true assume !(main_~length1~0 < 1); 13#L375-2true assume !(main_~length2~0 < 1); 5#L378-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc210.base, main_#t~malloc210.offset;call main_#t~malloc211.base, main_#t~malloc211.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, cstrcpy_#t~mem207, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 7#L368-3true [2019-11-16 00:04:13,177 INFO L793 eck$LassoCheckResult]: Loop: 7#L368-3true cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post205.base, 1 + cstrcpy_#t~post205.offset;cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post206.base, 1 + cstrcpy_#t~post206.offset;call cstrcpy_#t~mem207 := read~int(cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, 1);call write~int(cstrcpy_#t~mem207, cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, 1); 14#L368-1true assume !!(0 != cstrcpy_#t~mem207);havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~mem207;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset; 7#L368-3true [2019-11-16 00:04:13,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:13,181 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2019-11-16 00:04:13,189 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:13,189 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974941749] [2019-11-16 00:04:13,190 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:13,190 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:13,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:04:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:04:13,336 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:04:13,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:13,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2019-11-16 00:04:13,338 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:13,338 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507063794] [2019-11-16 00:04:13,338 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:13,338 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:13,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:04:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:04:13,359 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:04:13,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:13,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2019-11-16 00:04:13,361 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:13,361 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464871831] [2019-11-16 00:04:13,361 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:13,361 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:13,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:04:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:04:13,443 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:04:13,992 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-11-16 00:04:14,207 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-11-16 00:04:14,221 INFO L210 LassoAnalysis]: Preferences: [2019-11-16 00:04:14,222 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-16 00:04:14,223 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-16 00:04:14,223 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-16 00:04:14,223 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-16 00:04:14,223 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:04:14,223 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-16 00:04:14,224 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-16 00:04:14,224 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrcpy_malloc.i_Iteration1_Lasso [2019-11-16 00:04:14,224 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-16 00:04:14,224 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-16 00:04:14,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:14,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:14,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:14,737 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2019-11-16 00:04:14,991 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-11-16 00:04:14,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:15,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:15,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:15,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:15,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:15,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:15,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:15,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:15,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:15,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:15,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:15,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:04:15,297 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-11-16 00:04:16,114 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-11-16 00:04:16,188 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-16 00:04:16,194 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-16 00:04:16,196 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 [2019-11-16 00:04:16,198 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:04:16,198 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:04:16,199 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:04:16,199 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:04:16,199 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:04:16,202 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:04:16,202 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:04:16,204 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:04:16,205 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 [2019-11-16 00:04:16,205 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:04:16,206 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:04:16,206 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:04:16,206 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:04:16,206 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:04:16,207 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:04:16,207 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:04:16,208 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:04:16,209 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 [2019-11-16 00:04:16,210 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:04:16,210 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:04:16,210 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:04:16,210 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:04:16,215 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:04:16,215 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:04:16,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:04:16,234 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 [2019-11-16 00:04:16,235 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:04:16,236 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:04:16,236 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:04:16,236 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:04:16,239 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:04:16,239 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:04:16,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:04:16,246 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 [2019-11-16 00:04:16,247 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:04:16,247 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:04:16,247 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:04:16,247 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:04:16,252 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:04:16,252 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:04:16,271 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:04:16,271 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 [2019-11-16 00:04:16,272 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:04:16,272 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:04:16,273 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:04:16,273 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:04:16,275 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:04:16,275 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:04:16,279 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:04:16,280 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 [2019-11-16 00:04:16,281 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:04:16,281 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:04:16,281 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:04:16,282 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:04:16,292 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:04:16,293 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:04:16,468 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-16 00:04:16,520 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-16 00:04:16,521 INFO L444 ModelExtractionUtils]: 48 out of 52 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-11-16 00:04:16,523 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-16 00:04:16,526 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-16 00:04:16,526 INFO L510 LassoAnalysis]: Proved termination. [2019-11-16 00:04:16,527 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcpy_~src~0.base)_1, ULTIMATE.start_cstrcpy_~src~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcpy_~src~0.base)_1 - 1*ULTIMATE.start_cstrcpy_~src~0.offset Supporting invariants [] [2019-11-16 00:04:16,592 INFO L297 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2019-11-16 00:04:16,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-16 00:04:16,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:16,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-16 00:04:16,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:16,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-16 00:04:16,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:16,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:04:16,721 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 [2019-11-16 00:04:16,722 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2019-11-16 00:04:16,767 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 27 states and 30 transitions. Complement of second has 5 states. [2019-11-16 00:04:16,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-16 00:04:16,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-16 00:04:16,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2019-11-16 00:04:16,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-16 00:04:16,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:04:16,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-16 00:04:16,777 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:04:16,777 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-16 00:04:16,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:04:16,782 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2019-11-16 00:04:16,789 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:04:16,792 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2019-11-16 00:04:16,793 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-16 00:04:16,793 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-16 00:04:16,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-16 00:04:16,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-16 00:04:16,794 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:04:16,794 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:04:16,794 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:04:16,794 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-16 00:04:16,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:04:16,794 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:04:16,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-16 00:04:16,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:04:16 BoogieIcfgContainer [2019-11-16 00:04:16,801 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-16 00:04:16,801 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:04:16,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:04:16,802 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:04:16,802 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:04:13" (3/4) ... [2019-11-16 00:04:16,806 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:04:16,806 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:04:16,808 INFO L168 Benchmark]: Toolchain (without parser) took 4782.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 939.4 MB in the beginning and 945.5 MB in the end (delta: -6.2 MB). Peak memory consumption was 143.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:04:16,809 INFO L168 Benchmark]: CDTParser took 0.58 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. [2019-11-16 00:04:16,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:04:16,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.64 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:04:16,811 INFO L168 Benchmark]: Boogie Preprocessor took 22.69 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:04:16,812 INFO L168 Benchmark]: RCFGBuilder took 362.22 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:04:16,812 INFO L168 Benchmark]: BuchiAutomizer took 3724.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 945.5 MB in the end (delta: 159.4 MB). Peak memory consumption was 159.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:04:16,813 INFO L168 Benchmark]: Witness Printer took 4.95 ms. Allocated memory is still 1.2 GB. Free memory is still 945.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:04:16,816 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 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 618.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.64 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.69 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 362.22 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3724.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 945.5 MB in the end (delta: 159.4 MB). Peak memory consumption was 159.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.95 ms. Allocated memory is still 1.2 GB. Free memory is still 945.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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 unknown-#length-unknown[src] + -1 * src and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. 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: 16 SDtfs, 15 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital208 mio100 ax100 hnf99 lsp97 ukn93 mio100 lsp47 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf186 smp97 tf100 neg97 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 2 VariablesLoop: 3 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...