./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcmp_mixed_alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e261d970-c71f-4e4e-9f5a-f415e829502a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e261d970-c71f-4e4e-9f5a-f415e829502a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e261d970-c71f-4e4e-9f5a-f415e829502a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e261d970-c71f-4e4e-9f5a-f415e829502a/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcmp_mixed_alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e261d970-c71f-4e4e-9f5a-f415e829502a/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e261d970-c71f-4e4e-9f5a-f415e829502a/bin-2019/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 051dd1d5deb7603ef8d45e2ac843d269d4cbaf6c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:20:17,056 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:20:17,057 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:20:17,065 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:20:17,066 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:20:17,066 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:20:17,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:20:17,068 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:20:17,070 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:20:17,070 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:20:17,071 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:20:17,071 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:20:17,071 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:20:17,072 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:20:17,072 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:20:17,073 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:20:17,073 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:20:17,074 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:20:17,076 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:20:17,077 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:20:17,078 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:20:17,079 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:20:17,081 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:20:17,081 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:20:17,081 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:20:17,082 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:20:17,082 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:20:17,083 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:20:17,084 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:20:17,084 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:20:17,085 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:20:17,085 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:20:17,085 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:20:17,085 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:20:17,086 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:20:17,086 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:20:17,086 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e261d970-c71f-4e4e-9f5a-f415e829502a/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 12:20:17,096 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:20:17,096 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:20:17,097 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:20:17,097 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:20:17,097 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:20:17,097 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:20:17,097 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:20:17,097 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:20:17,098 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:20:17,098 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:20:17,098 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:20:17,098 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:20:17,098 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:20:17,098 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:20:17,098 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:20:17,099 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:20:17,099 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:20:17,099 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:20:17,099 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:20:17,099 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:20:17,099 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:20:17,099 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:20:17,100 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:20:17,100 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:20:17,100 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:20:17,100 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:20:17,100 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:20:17,100 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:20:17,101 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:20:17,101 INFO L133 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/working_dir_e261d970-c71f-4e4e-9f5a-f415e829502a/bin-2019/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 -> 051dd1d5deb7603ef8d45e2ac843d269d4cbaf6c [2018-11-28 12:20:17,128 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:20:17,136 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:20:17,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:20:17,139 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:20:17,139 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:20:17,139 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e261d970-c71f-4e4e-9f5a-f415e829502a/bin-2019/uautomizer/../../sv-benchmarks/c/termination-15/cstrcmp_mixed_alloca_true-termination.c.i [2018-11-28 12:20:17,178 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e261d970-c71f-4e4e-9f5a-f415e829502a/bin-2019/uautomizer/data/d8d31c2e9/2120402ca9dc4989bf7107415eaf8738/FLAG561a1e0b6 [2018-11-28 12:20:17,626 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:20:17,626 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e261d970-c71f-4e4e-9f5a-f415e829502a/sv-benchmarks/c/termination-15/cstrcmp_mixed_alloca_true-termination.c.i [2018-11-28 12:20:17,632 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e261d970-c71f-4e4e-9f5a-f415e829502a/bin-2019/uautomizer/data/d8d31c2e9/2120402ca9dc4989bf7107415eaf8738/FLAG561a1e0b6 [2018-11-28 12:20:17,643 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e261d970-c71f-4e4e-9f5a-f415e829502a/bin-2019/uautomizer/data/d8d31c2e9/2120402ca9dc4989bf7107415eaf8738 [2018-11-28 12:20:17,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:20:17,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:20:17,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:20:17,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:20:17,651 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:20:17,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:20:17" (1/1) ... [2018-11-28 12:20:17,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d9df2d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:17, skipping insertion in model container [2018-11-28 12:20:17,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:20:17" (1/1) ... [2018-11-28 12:20:17,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:20:17,687 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:20:17,897 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:20:17,907 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:20:17,999 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:20:18,042 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:20:18,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:18 WrapperNode [2018-11-28 12:20:18,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:20:18,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:20:18,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:20:18,043 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:20:18,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:18" (1/1) ... [2018-11-28 12:20:18,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:18" (1/1) ... [2018-11-28 12:20:18,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:20:18,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:20:18,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:20:18,075 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:20:18,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:18" (1/1) ... [2018-11-28 12:20:18,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:18" (1/1) ... [2018-11-28 12:20:18,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:18" (1/1) ... [2018-11-28 12:20:18,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:18" (1/1) ... [2018-11-28 12:20:18,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:18" (1/1) ... [2018-11-28 12:20:18,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:18" (1/1) ... [2018-11-28 12:20:18,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:18" (1/1) ... [2018-11-28 12:20:18,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:20:18,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:20:18,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:20:18,096 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:20:18,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e261d970-c71f-4e4e-9f5a-f415e829502a/bin-2019/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 [2018-11-28 12:20:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:20:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 12:20:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 12:20:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:20:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:20:18,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:20:18,354 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:20:18,354 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 12:20:18,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:18 BoogieIcfgContainer [2018-11-28 12:20:18,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:20:18,355 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:20:18,355 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:20:18,359 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:20:18,360 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:20:18,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:20:17" (1/3) ... [2018-11-28 12:20:18,362 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c586f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:20:18, skipping insertion in model container [2018-11-28 12:20:18,362 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:20:18,362 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:18" (2/3) ... [2018-11-28 12:20:18,363 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c586f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:20:18, skipping insertion in model container [2018-11-28 12:20:18,363 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:20:18,363 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:18" (3/3) ... [2018-11-28 12:20:18,365 INFO L375 chiAutomizerObserver]: Analyzing ICFG cstrcmp_mixed_alloca_true-termination.c.i [2018-11-28 12:20:18,419 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:20:18,419 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:20:18,419 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:20:18,420 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:20:18,420 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:20:18,420 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:20:18,420 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:20:18,420 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:20:18,420 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:20:18,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-11-28 12:20:18,454 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 12:20:18,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:20:18,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:20:18,461 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-28 12:20:18,461 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 12:20:18,461 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:20:18,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-11-28 12:20:18,463 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 12:20:18,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:20:18,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:20:18,463 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-28 12:20:18,463 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 12:20:18,471 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 8#L-1true havoc main_#res;havoc main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet214;havoc main_#t~nondet214;main_~length2~0 := main_#t~nondet215;havoc main_#t~nondet215; 17#L378true assume !(main_~length1~0 < 1); 4#L378-2true assume !(main_~length2~0 < 1); 13#L381-1true call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.alloc(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.alloc(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset, cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset, cstrcmp_#t~mem205, cstrcmp_#t~mem206, cstrcmp_#t~mem207, cstrcmp_#t~short208, cstrcmp_#t~mem211, cstrcmp_#t~mem212, cstrcmp_#t~ite213, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 7#L367-5true [2018-11-28 12:20:18,471 INFO L796 eck$LassoCheckResult]: Loop: 7#L367-5true call cstrcmp_#t~mem205 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short208 := 0 != cstrcmp_#t~mem205; 3#L367-1true assume cstrcmp_#t~short208;call cstrcmp_#t~mem206 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem207 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short208 := cstrcmp_#t~mem206 == cstrcmp_#t~mem207; 5#L367-3true assume !!cstrcmp_#t~short208;havoc cstrcmp_#t~mem205;havoc cstrcmp_#t~short208;havoc cstrcmp_#t~mem206;havoc cstrcmp_#t~mem207;cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post209.base, 1 + cstrcmp_#t~post209.offset;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset;cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset - 1;havoc cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset; 7#L367-5true [2018-11-28 12:20:18,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:20:18,477 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2018-11-28 12:20:18,478 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:20:18,479 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:20:18,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:20:18,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:20:18,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:20:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:20:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:20:18,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:20:18,598 INFO L82 PathProgramCache]: Analyzing trace with hash 49755, now seen corresponding path program 1 times [2018-11-28 12:20:18,598 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:20:18,598 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:20:18,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:20:18,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:20:18,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:20:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:20:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:20:18,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:20:18,620 INFO L82 PathProgramCache]: Analyzing trace with hash 180429558, now seen corresponding path program 1 times [2018-11-28 12:20:18,621 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:20:18,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:20:18,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:20:18,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:20:18,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:20:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:20:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:20:18,801 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2018-11-28 12:20:19,017 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2018-11-28 12:20:19,094 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:20:19,095 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:20:19,095 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:20:19,095 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:20:19,096 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:20:19,096 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:20:19,096 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:20:19,096 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:20:19,096 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrcmp_mixed_alloca_true-termination.c.i_Iteration1_Lasso [2018-11-28 12:20:19,097 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:20:19,097 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:20:19,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,353 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2018-11-28 12:20:19,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:20:19,830 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:20:19,835 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:20:19,837 INFO L122 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 [2018-11-28 12:20:19,839 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:20:19,839 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:20:19,840 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:20:19,840 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:20:19,840 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:20:19,842 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:20:19,842 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:20:19,844 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:20:19,845 INFO L122 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 [2018-11-28 12:20:19,845 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:20:19,845 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:20:19,846 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:20:19,846 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:20:19,846 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:20:19,846 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:20:19,847 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:20:19,847 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:20:19,848 INFO L122 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 [2018-11-28 12:20:19,848 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:20:19,848 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:20:19,849 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:20:19,849 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:20:19,850 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:20:19,850 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:20:19,851 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:20:19,851 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:20:19,851 INFO L122 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 [2018-11-28 12:20:19,852 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:20:19,852 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:20:19,852 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:20:19,852 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:20:19,854 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:20:19,854 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:20:19,856 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:20:19,856 INFO L122 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 [2018-11-28 12:20:19,857 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:20:19,857 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:20:19,857 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:20:19,857 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:20:19,857 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:20:19,858 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:20:19,858 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:20:19,859 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:20:19,859 INFO L122 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 [2018-11-28 12:20:19,860 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:20:19,860 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:20:19,860 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:20:19,860 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:20:19,860 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:20:19,861 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:20:19,861 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:20:19,862 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:20:19,862 INFO L122 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 [2018-11-28 12:20:19,862 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:20:19,863 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:20:19,863 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:20:19,863 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:20:19,869 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:20:19,869 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:20:19,880 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:20:19,881 INFO L122 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 [2018-11-28 12:20:19,881 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:20:19,882 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-28 12:20:19,882 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:20:19,882 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:20:19,886 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 12:20:19,886 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:20:19,900 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:20:19,901 INFO L122 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 [2018-11-28 12:20:19,901 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:20:19,901 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-28 12:20:19,902 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:20:19,902 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:20:19,904 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 12:20:19,906 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:20:19,919 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:20:19,920 INFO L122 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 [2018-11-28 12:20:19,920 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:20:19,920 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:20:19,921 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:20:19,921 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:20:19,922 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:20:19,922 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:20:19,924 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:20:19,926 INFO L122 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 [2018-11-28 12:20:19,927 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:20:19,927 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:20:19,927 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:20:19,927 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 12:20:19,927 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:20:19,928 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:20:19,928 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:20:19,931 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:20:19,932 INFO L122 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 [2018-11-28 12:20:19,932 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:20:19,932 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:20:19,932 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:20:19,932 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:20:19,933 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:20:19,933 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:20:19,937 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:20:19,938 INFO L122 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 [2018-11-28 12:20:19,938 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:20:19,938 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:20:19,938 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:20:19,939 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:20:19,940 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:20:19,940 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:20:19,947 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:20:19,948 INFO L122 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 [2018-11-28 12:20:19,949 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:20:19,949 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:20:19,949 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:20:19,949 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:20:19,950 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:20:19,950 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:20:19,952 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:20:19,954 INFO L122 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 [2018-11-28 12:20:19,955 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:20:19,955 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:20:19,955 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:20:19,955 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:20:19,959 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:20:19,960 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:20:20,017 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:20:20,039 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 12:20:20,039 INFO L444 ModelExtractionUtils]: 42 out of 46 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 12:20:20,041 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:20:20,042 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 12:20:20,042 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:20:20,043 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_1, ULTIMATE.start_cstrcmp_~s1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_1 - 1*ULTIMATE.start_cstrcmp_~s1.offset Supporting invariants [] [2018-11-28 12:20:20,082 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2018-11-28 12:20:20,091 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-11-28 12:20:20,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:20:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:20:20,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:20:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:20:20,173 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:20:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:20:20,202 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 [2018-11-28 12:20:20,203 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2018-11-28 12:20:20,250 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 29 states and 38 transitions. Complement of second has 6 states. [2018-11-28 12:20:20,250 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 [2018-11-28 12:20:20,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 12:20:20,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2018-11-28 12:20:20,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-28 12:20:20,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:20:20,254 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 8 letters. Loop has 3 letters. [2018-11-28 12:20:20,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:20:20,254 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 6 letters. [2018-11-28 12:20:20,255 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:20:20,255 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 38 transitions. [2018-11-28 12:20:20,257 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:20:20,260 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2018-11-28 12:20:20,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 12:20:20,261 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 12:20:20,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 12:20:20,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:20:20,261 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:20:20,261 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:20:20,261 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:20:20,261 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:20:20,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:20:20,262 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:20:20,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 12:20:20,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:20:20 BoogieIcfgContainer [2018-11-28 12:20:20,266 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:20:20,266 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:20:20,266 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:20:20,267 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:20:20,267 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:18" (3/4) ... [2018-11-28 12:20:20,269 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:20:20,269 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:20:20,270 INFO L168 Benchmark]: Toolchain (without parser) took 2623.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -57.6 MB). Peak memory consumption was 72.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:20:20,271 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:20:20,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:20:20,272 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.03 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:20:20,272 INFO L168 Benchmark]: Boogie Preprocessor took 21.00 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. [2018-11-28 12:20:20,273 INFO L168 Benchmark]: RCFGBuilder took 258.82 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:20:20,273 INFO L168 Benchmark]: BuchiAutomizer took 1910.88 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: 75.1 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:20:20,274 INFO L168 Benchmark]: Witness Printer took 3.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:20:20,277 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 394.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.03 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.00 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 258.82 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1910.88 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: 75.1 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. 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[__builtin_alloca(length1 * sizeof(char))] + -1 * s1 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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: 12 SDtfs, 21 SDslu, 5 SDs, 0 SdLazy, 10 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital211 mio100 ax100 hnf99 lsp97 ukn85 mio100 lsp50 div100 bol100 ite100 ukn100 eq190 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 4 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...