./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrncat_malloc.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-15/cstrncat_malloc.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 57af49b15bb2f44ef5afe346e632fe87804775c2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 19:56:44,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 19:56:44,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 19:56:44,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 19:56:44,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 19:56:44,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 19:56:44,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 19:56:44,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 19:56:44,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 19:56:44,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 19:56:44,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 19:56:44,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 19:56:44,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 19:56:44,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 19:56:44,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 19:56:44,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 19:56:44,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 19:56:44,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 19:56:44,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 19:56:44,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 19:56:44,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 19:56:44,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 19:56:44,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 19:56:44,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 19:56:44,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 19:56:44,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 19:56:44,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 19:56:44,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 19:56:44,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 19:56:44,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 19:56:44,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 19:56:44,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 19:56:44,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 19:56:44,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 19:56:44,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 19:56:44,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 19:56:44,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 19:56:44,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 19:56:44,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 19:56:44,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 19:56:44,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 19:56:44,844 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 19:56:44,865 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 19:56:44,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 19:56:44,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 19:56:44,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 19:56:44,868 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 19:56:44,869 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 19:56:44,871 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 19:56:44,871 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 19:56:44,871 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 19:56:44,871 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 19:56:44,871 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 19:56:44,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 19:56:44,873 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 19:56:44,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 19:56:44,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 19:56:44,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 19:56:44,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 19:56:44,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 19:56:44,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 19:56:44,875 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 19:56:44,875 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 19:56:44,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 19:56:44,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 19:56:44,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 19:56:44,876 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 19:56:44,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 19:56:44,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 19:56:44,877 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 19:56:44,879 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 19:56:44,879 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 -> 57af49b15bb2f44ef5afe346e632fe87804775c2 [2019-11-19 19:56:45,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 19:56:45,270 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 19:56:45,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 19:56:45,275 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 19:56:45,276 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 19:56:45,277 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrncat_malloc.i [2019-11-19 19:56:45,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a60ad4291/df1d47cb06974685815e1888dd34ff72/FLAG9de0adac7 [2019-11-19 19:56:45,886 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 19:56:45,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrncat_malloc.i [2019-11-19 19:56:45,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a60ad4291/df1d47cb06974685815e1888dd34ff72/FLAG9de0adac7 [2019-11-19 19:56:46,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a60ad4291/df1d47cb06974685815e1888dd34ff72 [2019-11-19 19:56:46,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 19:56:46,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 19:56:46,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 19:56:46,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 19:56:46,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 19:56:46,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:46" (1/1) ... [2019-11-19 19:56:46,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524e790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46, skipping insertion in model container [2019-11-19 19:56:46,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:46" (1/1) ... [2019-11-19 19:56:46,257 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 19:56:46,298 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 19:56:46,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:56:46,764 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 19:56:46,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:56:46,946 INFO L192 MainTranslator]: Completed translation [2019-11-19 19:56:46,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46 WrapperNode [2019-11-19 19:56:46,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 19:56:46,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 19:56:46,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 19:56:46,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 19:56:46,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2019-11-19 19:56:46,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2019-11-19 19:56:47,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 19:56:47,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 19:56:47,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 19:56:47,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 19:56:47,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2019-11-19 19:56:47,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2019-11-19 19:56:47,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2019-11-19 19:56:47,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2019-11-19 19:56:47,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2019-11-19 19:56:47,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2019-11-19 19:56:47,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2019-11-19 19:56:47,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 19:56:47,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 19:56:47,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 19:56:47,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 19:56:47,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (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 19:56:47,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 19:56:47,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 19:56:47,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-19 19:56:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 19:56:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 19:56:47,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 19:56:47,668 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 19:56:47,668 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-19 19:56:47,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:47 BoogieIcfgContainer [2019-11-19 19:56:47,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 19:56:47,671 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 19:56:47,671 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 19:56:47,674 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 19:56:47,675 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 19:56:47,675 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:56:46" (1/3) ... [2019-11-19 19:56:47,677 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35e25165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:56:47, skipping insertion in model container [2019-11-19 19:56:47,677 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 19:56:47,677 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (2/3) ... [2019-11-19 19:56:47,677 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35e25165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:56:47, skipping insertion in model container [2019-11-19 19:56:47,677 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 19:56:47,678 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:47" (3/3) ... [2019-11-19 19:56:47,680 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrncat_malloc.i [2019-11-19 19:56:47,725 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 19:56:47,725 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 19:56:47,726 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 19:56:47,726 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 19:56:47,726 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 19:56:47,726 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 19:56:47,726 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 19:56:47,726 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 19:56:47,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-19 19:56:47,763 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-19 19:56:47,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:56:47,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:56:47,772 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 19:56:47,772 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 19:56:47,772 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 19:56:47,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-19 19:56:47,774 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-19 19:56:47,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:56:47,775 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:56:47,775 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 19:56:47,775 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 19:56:47,783 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 12#L-1true havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218.base, main_#t~ret218.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214;main_~n~0 := main_#t~nondet215;havoc main_#t~nondet215; 15#L381true assume !(main_~length1~0 < 1); 18#L381-2true assume !(main_~length2~0 < 1); 11#L384-1true assume !(main_~n~0 < 1); 6#L387-1true assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post206.base, cstrncat_#t~post206.offset, cstrncat_#t~mem205, cstrncat_#t~post210, cstrncat_#t~post211.base, cstrncat_#t~post211.offset, cstrncat_#t~post207.base, cstrncat_#t~post207.offset, cstrncat_#t~mem208, cstrncat_#t~short209, cstrncat_#t~mem212, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 8#L367-3true [2019-11-19 19:56:47,784 INFO L796 eck$LassoCheckResult]: Loop: 8#L367-3true call cstrncat_#t~mem205 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 4#L367-1true assume !!(0 != cstrncat_#t~mem205);havoc cstrncat_#t~mem205;cstrncat_#t~post206.base, cstrncat_#t~post206.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post206.base, 1 + cstrncat_#t~post206.offset;havoc cstrncat_#t~post206.base, cstrncat_#t~post206.offset; 8#L367-3true [2019-11-19 19:56:47,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:56:47,791 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2019-11-19 19:56:47,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:56:47,800 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48916608] [2019-11-19 19:56:47,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:56:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:47,970 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:56:47,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:56:47,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2019-11-19 19:56:47,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:56:47,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559158078] [2019-11-19 19:56:47,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:56:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:47,989 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:56:47,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:56:47,993 INFO L82 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2019-11-19 19:56:47,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:56:47,993 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114389863] [2019-11-19 19:56:47,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:56:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:48,105 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:56:48,764 WARN L191 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 98 [2019-11-19 19:56:48,944 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-11-19 19:56:48,961 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 19:56:48,962 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 19:56:48,963 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 19:56:48,963 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 19:56:48,963 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 19:56:48,964 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:48,964 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 19:56:48,964 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 19:56:48,964 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncat_malloc.i_Iteration1_Lasso [2019-11-19 19:56:48,965 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 19:56:48,965 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 19:56:49,001 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 19:56:49,013 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 19:56:49,019 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 19:56:49,021 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 19:56:49,025 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 19:56:49,029 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 19:56:49,032 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 19:56:49,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:49,040 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 19:56:49,045 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 19:56:49,048 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 19:56:49,051 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 19:56:49,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:49,055 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 19:56:49,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:49,060 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 19:56:49,064 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 19:56:49,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:49,070 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 19:56:49,073 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 19:56:49,082 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 19:56:49,086 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 19:56:49,516 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-11-19 19:56:50,426 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-11-19 19:56:50,503 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 19:56:50,508 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) [2019-11-19 19:56:50,524 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 19:56:50,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:50,537 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 19:56:50,550 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 19:56:50,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:56:50,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:50,563 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 19:56:50,581 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 19:56:50,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:56:50,588 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 19:56:50,604 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 19:56:50,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,610 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 19:56:50,613 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 19:56:50,627 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 19:56:50,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:56:50,635 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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:50,649 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 19:56:50,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:56:50,654 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 19:56:50,675 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 19:56:50,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,678 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 19:56:50,681 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 19:56:50,694 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 19:56:50,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,699 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 19:56:50,701 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 19:56:50,712 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 19:56:50,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:56:50,721 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 19:56:50,725 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 19:56:50,740 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 19:56:50,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:50,746 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) [2019-11-19 19:56:50,754 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:50,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:56:50,760 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) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:50,771 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 19:56:50,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:56:50,778 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 19:56:50,791 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 19:56:50,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:56:50,801 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 19:56:50,809 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 19:56:50,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:56:50,820 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 19:56:50,826 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 19:56:50,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:56:50,831 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 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:50,839 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 19:56:50,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:56:50,845 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 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:50,851 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 19:56:50,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:56:50,855 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 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:50,861 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 19:56:50,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:56:50,873 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 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:50,879 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 19:56:50,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:56:50,884 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 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:50,891 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 19:56:50,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:56:50,895 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 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:50,908 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 19:56:50,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:56:50,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:56:50,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:56:50,912 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:56:50,919 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 19:56:50,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:56:50,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:56:50,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:56:50,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:56:50,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:56:50,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:50,955 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 19:56:51,040 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-19 19:56:51,040 INFO L444 ModelExtractionUtils]: 32 out of 43 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:51,085 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 19:56:51,111 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 19:56:51,111 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 19:56:51,112 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_1, ULTIMATE.start_cstrncat_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_1 - 1*ULTIMATE.start_cstrncat_~s~0.offset Supporting invariants [] [2019-11-19 19:56:51,166 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-11-19 19:56:51,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-19 19:56:51,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:56:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:56:51,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-19 19:56:51,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:56:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:56:51,274 WARN L253 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 19:56:51,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:56:51,298 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 19:56:51,315 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 [2019-11-19 19:56:51,316 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 3 states. [2019-11-19 19:56:51,413 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 3 states. Result 53 states and 76 transitions. Complement of second has 7 states. [2019-11-19 19:56:51,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 19:56:51,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 19:56:51,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2019-11-19 19:56:51,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-19 19:56:51,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:56:51,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-19 19:56:51,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:56:51,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-19 19:56:51,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:56:51,422 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 76 transitions. [2019-11-19 19:56:51,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 19:56:51,430 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 20 states and 27 transitions. [2019-11-19 19:56:51,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-19 19:56:51,432 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-19 19:56:51,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2019-11-19 19:56:51,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 19:56:51,433 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2019-11-19 19:56:51,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2019-11-19 19:56:51,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-11-19 19:56:51,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-19 19:56:51,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2019-11-19 19:56:51,465 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-11-19 19:56:51,465 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-11-19 19:56:51,465 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 19:56:51,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2019-11-19 19:56:51,466 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 19:56:51,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:56:51,466 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:56:51,467 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:56:51,467 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 19:56:51,467 INFO L794 eck$LassoCheckResult]: Stem: 168#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 163#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218.base, main_#t~ret218.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214;main_~n~0 := main_#t~nondet215;havoc main_#t~nondet215; 164#L381 assume !(main_~length1~0 < 1); 169#L381-2 assume !(main_~length2~0 < 1); 179#L384-1 assume !(main_~n~0 < 1); 174#L387-1 assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post206.base, cstrncat_#t~post206.offset, cstrncat_#t~mem205, cstrncat_#t~post210, cstrncat_#t~post211.base, cstrncat_#t~post211.offset, cstrncat_#t~post207.base, cstrncat_#t~post207.offset, cstrncat_#t~mem208, cstrncat_#t~short209, cstrncat_#t~mem212, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 175#L367-3 call cstrncat_#t~mem205 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 165#L367-1 assume !(0 != cstrncat_#t~mem205);havoc cstrncat_#t~mem205; 166#L369-4 cstrncat_#t~short209 := 0 != cstrncat_~n; 181#L369 assume !cstrncat_#t~short209; 177#L369-2 assume !!cstrncat_#t~short209;havoc cstrncat_#t~mem208;havoc cstrncat_#t~post207.base, cstrncat_#t~post207.offset;havoc cstrncat_#t~short209;cstrncat_#t~post210 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post210 - 1;havoc cstrncat_#t~post210;cstrncat_#t~post211.base, cstrncat_#t~post211.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post211.base, 1 + cstrncat_#t~post211.offset;havoc cstrncat_#t~post211.base, cstrncat_#t~post211.offset; 180#L369-4 cstrncat_#t~short209 := 0 != cstrncat_~n; 171#L369 [2019-11-19 19:56:51,468 INFO L796 eck$LassoCheckResult]: Loop: 171#L369 assume !cstrncat_#t~short209; 176#L369-2 assume !!cstrncat_#t~short209;havoc cstrncat_#t~mem208;havoc cstrncat_#t~post207.base, cstrncat_#t~post207.offset;havoc cstrncat_#t~short209;cstrncat_#t~post210 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post210 - 1;havoc cstrncat_#t~post210;cstrncat_#t~post211.base, cstrncat_#t~post211.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post211.base, 1 + cstrncat_#t~post211.offset;havoc cstrncat_#t~post211.base, cstrncat_#t~post211.offset; 170#L369-4 cstrncat_#t~short209 := 0 != cstrncat_~n; 171#L369 [2019-11-19 19:56:51,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:56:51,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1662025132, now seen corresponding path program 1 times [2019-11-19 19:56:51,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:56:51,468 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871215533] [2019-11-19 19:56:51,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:56:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:56:51,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:56:51,526 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871215533] [2019-11-19 19:56:51,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:56:51,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 19:56:51,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171823213] [2019-11-19 19:56:51,531 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 19:56:51,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:56:51,531 INFO L82 PathProgramCache]: Analyzing trace with hash 76643, now seen corresponding path program 1 times [2019-11-19 19:56:51,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:56:51,532 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607181762] [2019-11-19 19:56:51,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:56:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:56:51,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:56:51,541 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607181762] [2019-11-19 19:56:51,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:56:51,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 19:56:51,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133318548] [2019-11-19 19:56:51,542 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 19:56:51,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:56:51,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 19:56:51,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 19:56:51,547 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand 3 states. [2019-11-19 19:56:51,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:56:51,563 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2019-11-19 19:56:51,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 19:56:51,564 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2019-11-19 19:56:51,565 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 19:56:51,565 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-11-19 19:56:51,566 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 19:56:51,566 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 19:56:51,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 19:56:51,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 19:56:51,566 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:56:51,566 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:56:51,566 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:56:51,566 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 19:56:51,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 19:56:51,567 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 19:56:51,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 19:56:51,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:56:51 BoogieIcfgContainer [2019-11-19 19:56:51,574 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 19:56:51,574 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 19:56:51,574 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 19:56:51,574 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 19:56:51,575 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:47" (3/4) ... [2019-11-19 19:56:51,578 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 19:56:51,578 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 19:56:51,580 INFO L168 Benchmark]: Toolchain (without parser) took 5341.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.2 MB). Free memory was 961.7 MB in the beginning and 955.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 215.8 MB. Max. memory is 11.5 GB. [2019-11-19 19:56:51,580 INFO L168 Benchmark]: CDTParser took 0.37 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 19:56:51,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-19 19:56:51,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.49 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 19:56:51,582 INFO L168 Benchmark]: Boogie Preprocessor took 59.08 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 19:56:51,583 INFO L168 Benchmark]: RCFGBuilder took 578.96 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-19 19:56:51,584 INFO L168 Benchmark]: BuchiAutomizer took 3902.80 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 955.1 MB in the end (delta: 135.5 MB). Peak memory consumption was 203.7 MB. Max. memory is 11.5 GB. [2019-11-19 19:56:51,584 INFO L168 Benchmark]: Witness Printer took 4.26 ms. Allocated memory is still 1.2 GB. Free memory is still 955.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:56:51,588 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 709.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.08 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 578.96 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3902.80 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 955.1 MB in the end (delta: 135.5 MB). Peak memory consumption was 203.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.26 ms. Allocated memory is still 1.2 GB. Free memory is still 955.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[malloc(length1 * sizeof(char))] + -1 * s and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 3 iterations. TraceHistogramMax:2. Analysis of lassos took 3.4s. 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 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 19 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 37 SDtfs, 41 SDslu, 23 SDs, 0 SdLazy, 16 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI1 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital203 mio100 ax100 hnf98 lsp97 ukn76 mio100 lsp41 div100 bol100 ite100 ukn100 eq187 hnf88 smp100 dnf240 smp97 tf100 neg96 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...