./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-libowfat/wcsrchr.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-libowfat/wcsrchr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 68f8eea80a577660110c4d18097f51970ea54e3a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:59:56,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:59:56,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:59:56,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:59:56,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:59:56,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:59:56,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:59:56,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:59:56,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:59:56,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:59:56,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:59:56,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:59:56,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:59:56,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:59:56,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:59:56,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:59:56,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:59:56,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:59:56,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:59:56,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:59:56,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:59:56,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:59:56,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:59:56,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:59:56,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:59:56,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:59:56,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:59:56,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:59:56,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:59:56,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:59:56,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:59:56,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:59:56,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:59:56,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:59:56,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:59:56,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:59:56,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:59:56,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:59:56,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:59:56,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:59:56,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:59:56,093 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 02:59:56,115 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:59:56,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:59:56,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:59:56,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:59:56,117 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:59:56,117 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 02:59:56,117 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 02:59:56,117 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 02:59:56,117 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 02:59:56,118 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 02:59:56,118 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 02:59:56,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:59:56,118 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:59:56,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:59:56,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:59:56,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 02:59:56,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 02:59:56,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 02:59:56,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 02:59:56,120 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 02:59:56,120 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:59:56,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 02:59:56,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:59:56,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:59:56,121 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 02:59:56,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:59:56,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:59:56,122 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 02:59:56,123 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 02:59:56,123 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 68f8eea80a577660110c4d18097f51970ea54e3a [2019-11-28 02:59:56,420 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:59:56,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:59:56,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:59:56,445 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:59:56,447 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:59:56,449 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-libowfat/wcsrchr.i [2019-11-28 02:59:56,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173f64aed/36608d7e3d8c4ba99ec059f32b433e19/FLAG3d04d080b [2019-11-28 02:59:57,084 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:59:57,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-libowfat/wcsrchr.i [2019-11-28 02:59:57,111 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173f64aed/36608d7e3d8c4ba99ec059f32b433e19/FLAG3d04d080b [2019-11-28 02:59:57,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173f64aed/36608d7e3d8c4ba99ec059f32b433e19 [2019-11-28 02:59:57,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:59:57,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 02:59:57,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:59:57,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:59:57,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:59:57,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:57" (1/1) ... [2019-11-28 02:59:57,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6835decb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:57, skipping insertion in model container [2019-11-28 02:59:57,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:57" (1/1) ... [2019-11-28 02:59:57,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:59:57,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:59:57,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:59:57,914 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:59:57,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:59:58,017 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:59:58,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:58 WrapperNode [2019-11-28 02:59:58,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:59:58,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 02:59:58,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 02:59:58,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 02:59:58,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:58" (1/1) ... [2019-11-28 02:59:58,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:58" (1/1) ... [2019-11-28 02:59:58,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 02:59:58,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:59:58,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:59:58,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:59:58,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:58" (1/1) ... [2019-11-28 02:59:58,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:58" (1/1) ... [2019-11-28 02:59:58,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:58" (1/1) ... [2019-11-28 02:59:58,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:58" (1/1) ... [2019-11-28 02:59:58,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:58" (1/1) ... [2019-11-28 02:59:58,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:58" (1/1) ... [2019-11-28 02:59:58,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:58" (1/1) ... [2019-11-28 02:59:58,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:59:58,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:59:58,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:59:58,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:59:58,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 02:59:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 02:59:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 02:59:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:59:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:59:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:59:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:59:58,426 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:59:58,426 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 02:59:58,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:58 BoogieIcfgContainer [2019-11-28 02:59:58,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:59:58,428 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 02:59:58,429 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 02:59:58,432 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 02:59:58,434 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:59:58,434 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:59:57" (1/3) ... [2019-11-28 02:59:58,435 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e0d2b53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:59:58, skipping insertion in model container [2019-11-28 02:59:58,435 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:59:58,436 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:58" (2/3) ... [2019-11-28 02:59:58,436 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e0d2b53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:59:58, skipping insertion in model container [2019-11-28 02:59:58,436 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:59:58,437 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:58" (3/3) ... [2019-11-28 02:59:58,438 INFO L371 chiAutomizerObserver]: Analyzing ICFG wcsrchr.i [2019-11-28 02:59:58,483 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 02:59:58,483 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 02:59:58,483 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 02:59:58,483 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:59:58,484 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:59:58,484 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 02:59:58,484 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:59:58,484 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 02:59:58,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-28 02:59:58,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 02:59:58,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:59:58,517 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:59:58,523 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 02:59:58,523 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 02:59:58,524 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 02:59:58,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-28 02:59:58,525 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 02:59:58,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:59:58,526 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:59:58,526 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 02:59:58,526 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 02:59:58,533 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_~in_len~0, main_~hay~0.base, main_~hay~0.offset, main_~needle~0;main_~in_len~0 := main_#t~nondet5;havoc main_#t~nondet5; 6#L515true assume !(main_~in_len~0 < 1);call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4 * main_~in_len~0);main_~hay~0.base, main_~hay~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(0, main_~hay~0.base, main_~hay~0.offset + 4 * (main_~in_len~0 - 1), 4);main_~needle~0 := main_#t~nondet7;havoc main_#t~nondet7;wcsrchr_#in~wcs.base, wcsrchr_#in~wcs.offset, wcsrchr_#in~wc := main_~hay~0.base, main_~hay~0.offset, main_~needle~0;havoc wcsrchr_#res.base, wcsrchr_#res.offset;havoc wcsrchr_#t~mem3, wcsrchr_#t~pre2.base, wcsrchr_#t~pre2.offset, wcsrchr_#t~mem4, wcsrchr_~wcs.base, wcsrchr_~wcs.offset, wcsrchr_~wc, wcsrchr_~last~0.base, wcsrchr_~last~0.offset;wcsrchr_~wcs.base, wcsrchr_~wcs.offset := wcsrchr_#in~wcs.base, wcsrchr_#in~wcs.offset;wcsrchr_~wc := wcsrchr_#in~wc;wcsrchr_~last~0.base, wcsrchr_~last~0.offset := 0, 0; 7#L508-4true [2019-11-28 02:59:58,533 INFO L796 eck$LassoCheckResult]: Loop: 7#L508-4true call wcsrchr_#t~mem4 := read~int(wcsrchr_~wcs.base, wcsrchr_~wcs.offset, 4); 12#L508-1true assume !!(0 != wcsrchr_#t~mem4);havoc wcsrchr_#t~mem4;call wcsrchr_#t~mem3 := read~int(wcsrchr_~wcs.base, wcsrchr_~wcs.offset, 4); 8#L509true assume wcsrchr_#t~mem3 == wcsrchr_~wc;havoc wcsrchr_#t~mem3;wcsrchr_~last~0.base, wcsrchr_~last~0.offset := wcsrchr_~wcs.base, wcsrchr_~wcs.offset; 4#L508-3true wcsrchr_#t~pre2.base, wcsrchr_#t~pre2.offset := wcsrchr_~wcs.base, 4 + wcsrchr_~wcs.offset;wcsrchr_~wcs.base, wcsrchr_~wcs.offset := wcsrchr_~wcs.base, 4 + wcsrchr_~wcs.offset;havoc wcsrchr_#t~pre2.base, wcsrchr_#t~pre2.offset; 7#L508-4true [2019-11-28 02:59:58,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:58,539 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-28 02:59:58,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:59:58,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024826516] [2019-11-28 02:59:58,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:59:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:58,688 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:59:58,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:58,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1267210, now seen corresponding path program 1 times [2019-11-28 02:59:58,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:59:58,691 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036321542] [2019-11-28 02:59:58,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:59:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:58,712 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:59:58,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:58,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1806876973, now seen corresponding path program 1 times [2019-11-28 02:59:58,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:59:58,714 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70513314] [2019-11-28 02:59:58,714 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:59:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:58,769 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:59:59,134 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-11-28 02:59:59,237 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:59:59,238 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:59:59,238 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:59:59,239 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:59:59,239 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 02:59:59,239 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:59,240 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:59:59,240 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:59:59,240 INFO L133 ssoRankerPreferences]: Filename of dumped script: wcsrchr.i_Iteration1_Lasso [2019-11-28 02:59:59,240 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:59:59,240 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:59:59,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:59,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:59,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:59,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:59,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:59,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:59,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:59,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:59,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:59,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:59,494 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-11-28 02:59:59,612 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-11-28 02:59:59,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:59,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:59,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:59,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:00,083 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:00:00,090 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:00:00,100 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 [2019-11-28 03:00:00,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:00,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:00:00,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:00,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:00,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:00,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:00:00,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:00:00,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:00:00,124 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 [2019-11-28 03:00:00,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:00,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:00:00,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:00,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:00,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:00,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:00:00,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:00:00,130 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:00:00,144 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 [2019-11-28 03:00:00,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:00,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:00:00,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:00,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:00,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:00,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:00:00,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:00,150 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:00:00,165 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 [2019-11-28 03:00:00,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:00,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:00:00,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:00,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:00,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:00,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:00:00,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:00,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:00:00,188 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 [2019-11-28 03:00:00,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:00,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:00:00,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:00,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:00,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:00,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:00:00,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:00,194 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:00:00,206 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 [2019-11-28 03:00:00,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:00,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:00:00,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:00,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:00,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:00,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:00:00,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:00,211 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:00:00,223 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 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:00,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:00,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:00,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:00,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:00,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:00,230 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:00,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:00,247 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 [2019-11-28 03:00:00,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:00,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:00,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:00,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:00,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:00,253 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:00,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:00,266 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 [2019-11-28 03:00:00,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:00,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:00:00,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:00,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:00,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:00,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:00:00,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:00:00,271 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:00,282 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 [2019-11-28 03:00:00,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:00,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:00,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:00,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:00,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:00,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:00,292 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:00,313 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 [2019-11-28 03:00:00,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:00,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:00,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:00,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:00,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:00,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:00,340 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:00:00,351 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 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:00,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:00,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:00,354 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 03:00:00,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:00,372 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-28 03:00:00,373 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-28 03:00:00,397 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:00:00,407 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 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:00,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:00,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:00,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:00,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:00,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:00,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:00,418 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:00,436 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 [2019-11-28 03:00:00,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:00,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:00,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:00,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:00,452 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:00,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:00,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:00:00,488 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 [2019-11-28 03:00:00,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:00,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:00,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:00,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:00,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:00,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:00,523 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:00:00,669 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-28 03:00:00,669 INFO L444 ModelExtractionUtils]: 13 out of 28 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:00:00,724 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:00,728 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:00:00,728 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:00:00,729 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc6.base)_1, ULTIMATE.start_wcsrchr_~wcs.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc6.base)_1 - 1*ULTIMATE.start_wcsrchr_~wcs.offset Supporting invariants [] [2019-11-28 03:00:00,754 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2019-11-28 03:00:00,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 03:00:00,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:00:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:00:00,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 03:00:00,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:00:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:00:00,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 03:00:00,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:00:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:00:00,898 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 [2019-11-28 03:00:00,899 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2019-11-28 03:00:00,988 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 26 states and 30 transitions. Complement of second has 6 states. [2019-11-28 03:00:00,989 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 [2019-11-28 03:00:00,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:00:00,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-11-28 03:00:00,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 3 letters. Loop has 4 letters. [2019-11-28 03:00:00,998 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:00:00,998 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 4 letters. [2019-11-28 03:00:00,999 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:00:00,999 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 3 letters. Loop has 8 letters. [2019-11-28 03:00:00,999 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:00:01,000 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2019-11-28 03:00:01,006 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:00:01,011 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2019-11-28 03:00:01,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:00:01,013 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:00:01,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:00:01,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:00:01,014 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:00:01,014 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:00:01,014 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:00:01,014 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:00:01,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:00:01,022 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:00:01,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:00:01,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:00:01 BoogieIcfgContainer [2019-11-28 03:00:01,031 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:00:01,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:00:01,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:00:01,033 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:00:01,034 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:58" (3/4) ... [2019-11-28 03:00:01,039 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:00:01,039 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:00:01,041 INFO L168 Benchmark]: Toolchain (without parser) took 3669.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 214.4 MB). Free memory was 960.4 MB in the beginning and 1.2 GB in the end (delta: -212.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:00:01,042 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:00:01,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:00:01,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.08 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:00:01,053 INFO L168 Benchmark]: Boogie Preprocessor took 28.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:00:01,054 INFO L168 Benchmark]: RCFGBuilder took 335.54 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:00:01,055 INFO L168 Benchmark]: BuchiAutomizer took 2602.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -76.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:00:01,056 INFO L168 Benchmark]: Witness Printer took 6.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:00:01,070 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 645.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.08 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 335.54 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2602.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -76.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 6.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #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 (in_len*sizeof(int))] + -1 * wcs and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 10 SDslu, 3 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital139 mio100 ax100 hnf100 lsp95 ukn88 mio100 lsp45 div100 bol100 ite100 ukn100 eq188 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 53ms VariablesStem: 3 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...