./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f6fb2bb1 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-memory-alloca/openbsd_cmemchr-alloca-1.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 41c98898a531fb0ee2da225b716afd5dc80c24b1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 19:56:19,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 19:56:19,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 19:56:19,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 19:56:19,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 19:56:19,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 19:56:19,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 19:56:19,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 19:56:19,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 19:56:19,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 19:56:19,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 19:56:19,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 19:56:19,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 19:56:19,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 19:56:19,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 19:56:19,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 19:56:19,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 19:56:19,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 19:56:19,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 19:56:19,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 19:56:19,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 19:56:19,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 19:56:19,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 19:56:19,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 19:56:19,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 19:56:19,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 19:56:19,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 19:56:19,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 19:56:19,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 19:56:19,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 19:56:19,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 19:56:19,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 19:56:19,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 19:56:19,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 19:56:19,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 19:56:19,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 19:56:19,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 19:56:19,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 19:56:19,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 19:56:19,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 19:56:19,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 19:56:19,130 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 19:56:19,148 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 19:56:19,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 19:56:19,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 19:56:19,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 19:56:19,150 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 19:56:19,151 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 19:56:19,151 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 19:56:19,151 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 19:56:19,152 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 19:56:19,152 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 19:56:19,152 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 19:56:19,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 19:56:19,153 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 19:56:19,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 19:56:19,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 19:56:19,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 19:56:19,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 19:56:19,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 19:56:19,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 19:56:19,155 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 19:56:19,155 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 19:56:19,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 19:56:19,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 19:56:19,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 19:56:19,156 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 19:56:19,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 19:56:19,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 19:56:19,157 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 19:56:19,158 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 19:56:19,158 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 -> 41c98898a531fb0ee2da225b716afd5dc80c24b1 [2019-11-19 19:56:19,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 19:56:19,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 19:56:19,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 19:56:19,519 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 19:56:19,520 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 19:56:19,521 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i [2019-11-19 19:56:19,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1d165dc0/56c1a69feeca41c0983b0e3476da1d33/FLAGe9ab038dc [2019-11-19 19:56:20,097 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 19:56:20,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i [2019-11-19 19:56:20,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1d165dc0/56c1a69feeca41c0983b0e3476da1d33/FLAGe9ab038dc [2019-11-19 19:56:20,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1d165dc0/56c1a69feeca41c0983b0e3476da1d33 [2019-11-19 19:56:20,435 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 19:56:20,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 19:56:20,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 19:56:20,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 19:56:20,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 19:56:20,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:20" (1/1) ... [2019-11-19 19:56:20,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dfa0dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:20, skipping insertion in model container [2019-11-19 19:56:20,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:20" (1/1) ... [2019-11-19 19:56:20,454 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 19:56:20,497 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 19:56:20,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:56:20,926 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 19:56:20,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:56:21,033 INFO L192 MainTranslator]: Completed translation [2019-11-19 19:56:21,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:21 WrapperNode [2019-11-19 19:56:21,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 19:56:21,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 19:56:21,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 19:56:21,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 19:56:21,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:21" (1/1) ... [2019-11-19 19:56:21,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:21" (1/1) ... [2019-11-19 19:56:21,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 19:56:21,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 19:56:21,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 19:56:21,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 19:56:21,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:21" (1/1) ... [2019-11-19 19:56:21,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:21" (1/1) ... [2019-11-19 19:56:21,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:21" (1/1) ... [2019-11-19 19:56:21,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:21" (1/1) ... [2019-11-19 19:56:21,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:21" (1/1) ... [2019-11-19 19:56:21,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:21" (1/1) ... [2019-11-19 19:56:21,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:21" (1/1) ... [2019-11-19 19:56:21,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 19:56:21,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 19:56:21,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 19:56:21,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 19:56:21,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:21" (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 [2019-11-19 19:56:21,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 19:56:21,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 19:56:21,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 19:56:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 19:56:21,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 19:56:21,567 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 19:56:21,568 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 19:56:21,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:21 BoogieIcfgContainer [2019-11-19 19:56:21,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 19:56:21,569 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 19:56:21,570 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 19:56:21,574 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 19:56:21,575 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 19:56:21,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:56:20" (1/3) ... [2019-11-19 19:56:21,577 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22dcb3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:56:21, skipping insertion in model container [2019-11-19 19:56:21,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 19:56:21,578 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:21" (2/3) ... [2019-11-19 19:56:21,578 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22dcb3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:56:21, skipping insertion in model container [2019-11-19 19:56:21,578 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 19:56:21,578 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:21" (3/3) ... [2019-11-19 19:56:21,580 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cmemchr-alloca-1.i [2019-11-19 19:56:21,658 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 19:56:21,659 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 19:56:21,659 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 19:56:21,660 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 19:56:21,661 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 19:56:21,661 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 19:56:21,661 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 19:56:21,661 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 19:56:21,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-19 19:56:21,720 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-19 19:56:21,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:56:21,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:56:21,730 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 19:56:21,731 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-19 19:56:21,731 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 19:56:21,732 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-19 19:56:21,735 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-19 19:56:21,735 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:56:21,737 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:56:21,737 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 19:56:21,738 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-19 19:56:21,748 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 6#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length~0, main_~n~0, main_~c~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~c~0 := main_#t~nondet7;havoc main_#t~nondet7; 9#L563true assume !(main_~length~0 < 1); 12#L563-2true assume !(main_~n~0 < 1); 5#L566-1true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;cmemchr_#in~s.base, cmemchr_#in~s.offset, cmemchr_#in~c, cmemchr_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~c~0, main_~n~0;havoc cmemchr_#res.base, cmemchr_#res.offset;havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset, cmemchr_#t~mem4, cmemchr_#t~pre2, cmemchr_~p~0.base, cmemchr_~p~0.offset, cmemchr_~s.base, cmemchr_~s.offset, cmemchr_~c, cmemchr_~n;cmemchr_~s.base, cmemchr_~s.offset := cmemchr_#in~s.base, cmemchr_#in~s.offset;cmemchr_~c := cmemchr_#in~c;cmemchr_~n := cmemchr_#in~n; 13#L550true assume 0 != cmemchr_~n % 4294967296;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_~s.base, cmemchr_~s.offset; 3#L552-4true [2019-11-19 19:56:21,748 INFO L796 eck$LassoCheckResult]: Loop: 3#L552-4true cmemchr_#t~post3.base, cmemchr_#t~post3.offset := cmemchr_~p~0.base, cmemchr_~p~0.offset;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_#t~post3.base, 1 + cmemchr_#t~post3.offset;call cmemchr_#t~mem4 := read~int(cmemchr_#t~post3.base, cmemchr_#t~post3.offset, 1); 7#L553true assume !(cmemchr_#t~mem4 % 256 == cmemchr_~c % 256);havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset;havoc cmemchr_#t~mem4; 10#L552-1true cmemchr_#t~pre2 := cmemchr_~n - 1;cmemchr_~n := cmemchr_~n - 1; 14#L552-2true assume !!(0 != cmemchr_#t~pre2 % 4294967296);havoc cmemchr_#t~pre2; 3#L552-4true [2019-11-19 19:56:21,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:56:21,755 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2019-11-19 19:56:21,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:56:21,765 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445094293] [2019-11-19 19:56:21,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:56:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:21,958 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:56:21,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:56:21,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1605803, now seen corresponding path program 1 times [2019-11-19 19:56:21,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:56:21,960 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434491257] [2019-11-19 19:56:21,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:56:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:22,011 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:56:22,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:56:22,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1592233654, now seen corresponding path program 1 times [2019-11-19 19:56:22,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:56:22,013 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675016904] [2019-11-19 19:56:22,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:56:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:22,082 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:56:22,474 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-11-19 19:56:22,590 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-11-19 19:56:22,604 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 19:56:22,605 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 19:56:22,605 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 19:56:22,605 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 19:56:22,605 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 19:56:22,605 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:22,606 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 19:56:22,606 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 19:56:22,606 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemchr-alloca-1.i_Iteration1_Lasso [2019-11-19 19:56:22,606 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 19:56:22,607 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 19:56:22,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:22,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:22,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:22,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:22,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:22,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:22,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:22,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:22,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:22,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:22,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:22,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:22,890 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-11-19 19:56:22,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:22,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:22,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:22,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:22,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:22,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:22,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:23,311 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-11-19 19:56:23,802 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 19:56:23,807 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:23,817 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 [2019-11-19 19:56:23,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:23,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:23,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:23,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:23,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:23,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:23,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:56:23,827 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) [2019-11-19 19:56:23,844 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 [2019-11-19 19:56:23,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:23,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:23,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:23,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:23,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:23,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:23,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:56:23,851 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) [2019-11-19 19:56:23,874 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:23,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:23,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:23,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:23,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:23,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:23,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:23,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:56:23,886 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) [2019-11-19 19:56:23,904 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 [2019-11-19 19:56:23,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:23,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:23,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:23,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:23,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:23,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:23,914 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 [2019-11-19 19:56:23,917 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) [2019-11-19 19:56:23,936 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:23,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:23,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:23,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:23,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:23,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:23,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:23,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:56:23,945 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) [2019-11-19 19:56:23,964 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 [2019-11-19 19:56:23,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:23,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:23,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:23,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:23,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:23,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:23,972 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 [2019-11-19 19:56:23,974 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) [2019-11-19 19:56:23,994 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 [2019-11-19 19:56:23,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:23,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:23,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:23,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:23,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:23,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:23,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:24,003 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) [2019-11-19 19:56:24,025 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 [2019-11-19 19:56:24,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:24,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:24,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:24,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:24,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:24,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:24,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:24,036 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) [2019-11-19 19:56:24,055 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 [2019-11-19 19:56:24,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:24,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:24,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:24,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:24,065 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:56:24,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:24,073 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) [2019-11-19 19:56:24,114 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 [2019-11-19 19:56:24,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:24,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:24,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:24,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:24,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:56:24,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:56:24,123 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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) [2019-11-19 19:56:24,135 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 [2019-11-19 19:56:24,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:24,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:24,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:24,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:24,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:56:24,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:24,147 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) [2019-11-19 19:56:24,169 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 [2019-11-19 19:56:24,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:24,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:24,171 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 19:56:24,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:24,204 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-19 19:56:24,204 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-19 19:56:24,231 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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:24,243 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 [2019-11-19 19:56:24,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:24,247 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-19 19:56:24,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:24,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:24,258 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-19 19:56:24,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:56:24,277 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 [2019-11-19 19:56:24,292 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 [2019-11-19 19:56:24,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:24,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:24,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:24,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:24,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:56:24,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:56:24,307 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) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:24,320 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 [2019-11-19 19:56:24,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:24,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:24,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:24,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:24,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:56:24,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:56:24,358 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 19:56:24,448 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-19 19:56:24,448 INFO L444 ModelExtractionUtils]: 26 out of 34 variables were initially zero. Simplification set additionally 5 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) [2019-11-19 19:56:24,478 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 [2019-11-19 19:56:24,483 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 19:56:24,483 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 19:56:24,484 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_1, ULTIMATE.start_cmemchr_~p~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_1 - 1*ULTIMATE.start_cmemchr_~p~0.offset Supporting invariants [] [2019-11-19 19:56:24,505 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2019-11-19 19:56:24,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-19 19:56:24,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:56:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:56:24,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-19 19:56:24,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:56:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:56:24,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-19 19:56:24,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:56:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:56:24,687 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-19 19:56:24,689 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 4 states. [2019-11-19 19:56:24,783 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 4 states. Result 32 states and 37 transitions. Complement of second has 7 states. [2019-11-19 19:56:24,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 19:56:24,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 19:56:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2019-11-19 19:56:24,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-19 19:56:24,793 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:56:24,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-19 19:56:24,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:56:24,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 6 letters. Loop has 8 letters. [2019-11-19 19:56:24,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:56:24,797 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2019-11-19 19:56:24,806 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 19:56:24,810 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2019-11-19 19:56:24,811 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 19:56:24,812 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 19:56:24,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 19:56:24,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 19:56:24,824 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:56:24,824 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:56:24,824 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:56:24,824 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 19:56:24,825 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 19:56:24,825 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 19:56:24,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 19:56:24,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:56:24 BoogieIcfgContainer [2019-11-19 19:56:24,833 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 19:56:24,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 19:56:24,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 19:56:24,834 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 19:56:24,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:21" (3/4) ... [2019-11-19 19:56:24,839 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 19:56:24,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 19:56:24,842 INFO L168 Benchmark]: Toolchain (without parser) took 4404.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.7 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 63.2 MB. Max. memory is 11.5 GB. [2019-11-19 19:56:24,843 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-19 19:56:24,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2019-11-19 19:56:24,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2019-11-19 19:56:24,847 INFO L168 Benchmark]: Boogie Preprocessor took 30.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:56:24,853 INFO L168 Benchmark]: RCFGBuilder took 451.96 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-19 19:56:24,854 INFO L168 Benchmark]: BuchiAutomizer took 3263.74 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -9.1 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2019-11-19 19:56:24,855 INFO L168 Benchmark]: Witness Printer took 6.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:56:24,868 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 597.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.88 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 451.96 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3263.74 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -9.1 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. * Witness Printer took 6.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #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 (n * sizeof(char))] + -1 * p and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. 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: 16 SDtfs, 16 SDslu, 12 SDs, 0 SdLazy, 10 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital139 mio100 ax112 hnf98 lsp82 ukn99 mio100 lsp55 div208 bol100 ite100 ukn100 eq168 hnf64 smp91 dnf100 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 81ms VariablesStem: 3 VariablesLoop: 6 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...