./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.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 b64613d278f1b2a5aec6d84cb3470147257700f5 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:21:18,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:21:18,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:21:18,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:21:18,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:21:18,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:21:18,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:21:18,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:21:18,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:21:18,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:21:18,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:21:18,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:21:18,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:21:18,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:21:18,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:21:18,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:21:18,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:21:18,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:21:18,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:21:18,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:21:18,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:21:18,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:21:18,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:21:18,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:21:18,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:21:18,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:21:18,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:21:18,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:21:18,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:21:18,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:21:18,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:21:18,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:21:18,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:21:18,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:21:18,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:21:18,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:21:18,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:21:18,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:21:18,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:21:18,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:21:18,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:21:18,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 22:21:18,174 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:21:18,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:21:18,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:21:18,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:21:18,176 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:21:18,178 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:21:18,178 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:21:18,178 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:21:18,178 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:21:18,179 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:21:18,179 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:21:18,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:21:18,179 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:21:18,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:21:18,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:21:18,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:21:18,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:21:18,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:21:18,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:21:18,181 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:21:18,183 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:21:18,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:21:18,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:21:18,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:21:18,186 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:21:18,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:21:18,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:21:18,188 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:21:18,189 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:21:18,189 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 -> b64613d278f1b2a5aec6d84cb3470147257700f5 [2019-11-19 22:21:18,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:21:18,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:21:18,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:21:18,514 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:21:18,514 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:21:18,515 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i [2019-11-19 22:21:18,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/181b83964/2e34c21105f84feda1ac56e68faac733/FLAGeaeb356ca [2019-11-19 22:21:19,088 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:21:19,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i [2019-11-19 22:21:19,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/181b83964/2e34c21105f84feda1ac56e68faac733/FLAGeaeb356ca [2019-11-19 22:21:19,396 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/181b83964/2e34c21105f84feda1ac56e68faac733 [2019-11-19 22:21:19,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:21:19,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:21:19,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:21:19,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:21:19,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:21:19,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:21:19" (1/1) ... [2019-11-19 22:21:19,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20507ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:19, skipping insertion in model container [2019-11-19 22:21:19,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:21:19" (1/1) ... [2019-11-19 22:21:19,420 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:21:19,470 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:21:19,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:21:19,935 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:21:19,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:21:20,060 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:21:20,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:20 WrapperNode [2019-11-19 22:21:20,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:21:20,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:21:20,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:21:20,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:21:20,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:20" (1/1) ... [2019-11-19 22:21:20,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:20" (1/1) ... [2019-11-19 22:21:20,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:21:20,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:21:20,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:21:20,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:21:20,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:20" (1/1) ... [2019-11-19 22:21:20,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:20" (1/1) ... [2019-11-19 22:21:20,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:20" (1/1) ... [2019-11-19 22:21:20,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:20" (1/1) ... [2019-11-19 22:21:20,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:20" (1/1) ... [2019-11-19 22:21:20,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:20" (1/1) ... [2019-11-19 22:21:20,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:20" (1/1) ... [2019-11-19 22:21:20,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:21:20,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:21:20,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:21:20,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:21:20,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:20" (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 22:21:20,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 22:21:20,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 22:21:20,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:21:20,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:21:20,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:21:20,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:21:20,512 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:21:20,512 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 22:21:20,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:21:20 BoogieIcfgContainer [2019-11-19 22:21:20,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:21:20,515 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:21:20,515 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:21:20,520 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:21:20,521 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:21:20,521 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:21:19" (1/3) ... [2019-11-19 22:21:20,523 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c21c5b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:21:20, skipping insertion in model container [2019-11-19 22:21:20,525 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:21:20,525 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:20" (2/3) ... [2019-11-19 22:21:20,526 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c21c5b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:21:20, skipping insertion in model container [2019-11-19 22:21:20,526 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:21:20,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:21:20" (3/3) ... [2019-11-19 22:21:20,530 INFO L371 chiAutomizerObserver]: Analyzing ICFG java_AG313-alloca.i [2019-11-19 22:21:20,603 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:21:20,604 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:21:20,604 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:21:20,604 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:21:20,604 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:21:20,605 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:21:20,605 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:21:20,605 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:21:20,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-19 22:21:20,634 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:21:20,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:21:20,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:21:20,640 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-19 22:21:20,640 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:21:20,640 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:21:20,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-19 22:21:20,642 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:21:20,642 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:21:20,642 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:21:20,643 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-19 22:21:20,643 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:21:20,649 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;quot_#in~x, quot_#in~y := main_#t~nondet13, main_#t~nondet14;havoc quot_#res;havoc quot_#t~malloc2.base, quot_#t~malloc2.offset, quot_#t~malloc3.base, quot_#t~malloc3.offset, quot_#t~malloc4.base, quot_#t~malloc4.offset, quot_#t~mem5, quot_#t~mem9, quot_#t~mem10, quot_#t~mem11, quot_#t~mem6, quot_#t~mem7, quot_#t~short8, quot_#t~mem12, quot_~x, quot_~y, quot_~x_ref~0.base, quot_~x_ref~0.offset, quot_~y_ref~0.base, quot_~y_ref~0.offset, quot_~i~0.base, quot_~i~0.offset;quot_~x := quot_#in~x;quot_~y := quot_#in~y;call quot_#t~malloc2.base, quot_#t~malloc2.offset := #Ultimate.allocOnStack(4);quot_~x_ref~0.base, quot_~x_ref~0.offset := quot_#t~malloc2.base, quot_#t~malloc2.offset;call quot_#t~malloc3.base, quot_#t~malloc3.offset := #Ultimate.allocOnStack(4);quot_~y_ref~0.base, quot_~y_ref~0.offset := quot_#t~malloc3.base, quot_#t~malloc3.offset;call quot_#t~malloc4.base, quot_#t~malloc4.offset := #Ultimate.allocOnStack(4);quot_~i~0.base, quot_~i~0.offset := quot_#t~malloc4.base, quot_#t~malloc4.offset;call write~int(quot_~x, quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);call write~int(quot_~y, quot_~y_ref~0.base, quot_~y_ref~0.offset, 4);call write~int(0, quot_~i~0.base, quot_~i~0.offset, 4);call quot_#t~mem5 := read~int(quot_~x_ref~0.base, quot_~x_ref~0.offset, 4); 10#L555true assume !(0 == quot_#t~mem5);havoc quot_#t~mem5; 7#L556-5true [2019-11-19 22:21:20,649 INFO L796 eck$LassoCheckResult]: Loop: 7#L556-5true call quot_#t~mem6 := read~int(quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);quot_#t~short8 := quot_#t~mem6 > 0; 11#L556-1true assume !quot_#t~short8; 4#L556-3true assume !!quot_#t~short8;havoc quot_#t~mem6;havoc quot_#t~mem7;havoc quot_#t~short8;call quot_#t~mem9 := read~int(quot_~i~0.base, quot_~i~0.offset, 4);call write~int(1 + quot_#t~mem9, quot_~i~0.base, quot_~i~0.offset, 4);havoc quot_#t~mem9;call quot_#t~mem10 := read~int(quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);call quot_#t~mem11 := read~int(quot_~y_ref~0.base, quot_~y_ref~0.offset, 4);call write~int(quot_#t~mem10 - 1 - (quot_#t~mem11 - 1), quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);havoc quot_#t~mem11;havoc quot_#t~mem10; 7#L556-5true [2019-11-19 22:21:20,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:21:20,654 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-19 22:21:20,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:21:20,661 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413568381] [2019-11-19 22:21:20,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:21:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:20,821 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:21:20,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:21:20,823 INFO L82 PathProgramCache]: Analyzing trace with hash 41873, now seen corresponding path program 1 times [2019-11-19 22:21:20,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:21:20,823 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114098425] [2019-11-19 22:21:20,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:21:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:21:20,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:21:20,876 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114098425] [2019-11-19 22:21:20,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:21:20,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 22:21:20,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951484043] [2019-11-19 22:21:20,882 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 22:21:20,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:21:20,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:21:20,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:21:20,901 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2019-11-19 22:21:20,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:21:20,944 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2019-11-19 22:21:20,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:21:20,947 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2019-11-19 22:21:20,948 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:21:20,952 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 6 states and 6 transitions. [2019-11-19 22:21:20,953 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-11-19 22:21:20,954 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-11-19 22:21:20,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2019-11-19 22:21:20,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:21:20,955 INFO L688 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-11-19 22:21:20,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2019-11-19 22:21:20,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-11-19 22:21:20,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-19 22:21:20,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-11-19 22:21:20,977 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-11-19 22:21:20,977 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-11-19 22:21:20,977 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:21:20,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2019-11-19 22:21:20,978 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:21:20,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:21:20,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:21:20,979 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-19 22:21:20,979 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:21:20,979 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 32#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;quot_#in~x, quot_#in~y := main_#t~nondet13, main_#t~nondet14;havoc quot_#res;havoc quot_#t~malloc2.base, quot_#t~malloc2.offset, quot_#t~malloc3.base, quot_#t~malloc3.offset, quot_#t~malloc4.base, quot_#t~malloc4.offset, quot_#t~mem5, quot_#t~mem9, quot_#t~mem10, quot_#t~mem11, quot_#t~mem6, quot_#t~mem7, quot_#t~short8, quot_#t~mem12, quot_~x, quot_~y, quot_~x_ref~0.base, quot_~x_ref~0.offset, quot_~y_ref~0.base, quot_~y_ref~0.offset, quot_~i~0.base, quot_~i~0.offset;quot_~x := quot_#in~x;quot_~y := quot_#in~y;call quot_#t~malloc2.base, quot_#t~malloc2.offset := #Ultimate.allocOnStack(4);quot_~x_ref~0.base, quot_~x_ref~0.offset := quot_#t~malloc2.base, quot_#t~malloc2.offset;call quot_#t~malloc3.base, quot_#t~malloc3.offset := #Ultimate.allocOnStack(4);quot_~y_ref~0.base, quot_~y_ref~0.offset := quot_#t~malloc3.base, quot_#t~malloc3.offset;call quot_#t~malloc4.base, quot_#t~malloc4.offset := #Ultimate.allocOnStack(4);quot_~i~0.base, quot_~i~0.offset := quot_#t~malloc4.base, quot_#t~malloc4.offset;call write~int(quot_~x, quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);call write~int(quot_~y, quot_~y_ref~0.base, quot_~y_ref~0.offset, 4);call write~int(0, quot_~i~0.base, quot_~i~0.offset, 4);call quot_#t~mem5 := read~int(quot_~x_ref~0.base, quot_~x_ref~0.offset, 4); 33#L555 assume !(0 == quot_#t~mem5);havoc quot_#t~mem5; 35#L556-5 [2019-11-19 22:21:20,979 INFO L796 eck$LassoCheckResult]: Loop: 35#L556-5 call quot_#t~mem6 := read~int(quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);quot_#t~short8 := quot_#t~mem6 > 0; 37#L556-1 assume quot_#t~short8;call quot_#t~mem7 := read~int(quot_~y_ref~0.base, quot_~y_ref~0.offset, 4);quot_#t~short8 := quot_#t~mem7 > 0; 34#L556-3 assume !!quot_#t~short8;havoc quot_#t~mem6;havoc quot_#t~mem7;havoc quot_#t~short8;call quot_#t~mem9 := read~int(quot_~i~0.base, quot_~i~0.offset, 4);call write~int(1 + quot_#t~mem9, quot_~i~0.base, quot_~i~0.offset, 4);havoc quot_#t~mem9;call quot_#t~mem10 := read~int(quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);call quot_#t~mem11 := read~int(quot_~y_ref~0.base, quot_~y_ref~0.offset, 4);call write~int(quot_#t~mem10 - 1 - (quot_#t~mem11 - 1), quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);havoc quot_#t~mem11;havoc quot_#t~mem10; 35#L556-5 [2019-11-19 22:21:20,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:21:20,980 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2019-11-19 22:21:20,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:21:20,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651517789] [2019-11-19 22:21:20,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:21:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:21,053 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:21:21,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:21:21,054 INFO L82 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 1 times [2019-11-19 22:21:21,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:21:21,055 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065876182] [2019-11-19 22:21:21,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:21:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:21,084 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:21:21,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:21:21,085 INFO L82 PathProgramCache]: Analyzing trace with hash 889571280, now seen corresponding path program 1 times [2019-11-19 22:21:21,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:21:21,085 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972846265] [2019-11-19 22:21:21,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:21:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:21,148 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:21:21,345 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-11-19 22:21:21,903 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 89 [2019-11-19 22:21:22,093 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-11-19 22:21:22,111 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:21:22,112 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:21:22,113 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:21:22,118 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:21:22,118 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:21:22,119 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:22,119 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:21:22,120 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:21:22,120 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_AG313-alloca.i_Iteration2_Lasso [2019-11-19 22:21:22,120 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:21:22,121 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:21:22,153 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 22:21:22,157 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 22:21:22,160 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 22:21:22,164 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 22:21:22,166 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 22:21:22,168 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 22:21:22,178 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 22:21:22,182 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 22:21:22,184 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 22:21:22,189 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 22:21:22,192 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 22:21:22,195 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 22:21:22,198 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 22:21:22,203 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 22:21:22,207 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 22:21:22,682 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-11-19 22:21:22,861 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-11-19 22:21:22,862 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 22:21:22,865 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 22:21:22,868 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 22:21:23,124 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-11-19 22:21:23,585 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:21:23,590 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:23,596 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 22:21:23,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:23,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:21:23,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:23,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:23,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:23,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:21:23,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:21:23,605 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:23,621 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 22:21:23,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:23,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:21:23,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:23,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:23,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:23,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:21:23,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:21:23,626 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:23,636 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 22:21:23,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:23,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:23,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:23,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:23,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:21:23,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:21:23,649 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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:23,655 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 22:21:23,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:23,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:21:23,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:23,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:23,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:23,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:21:23,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:21:23,660 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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:23,668 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 22:21:23,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:23,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:21:23,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:23,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:23,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:23,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:21:23,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:21:23,673 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 22:21:23,680 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 22:21:23,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:23,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:23,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:23,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:23,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:21:23,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:21:23,692 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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:23,698 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 22:21:23,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:23,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:21:23,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:23,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:23,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:23,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:21:23,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:21:23,705 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:23,711 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 22:21:23,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:23,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:21:23,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:23,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:23,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:23,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:21:23,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:21:23,715 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:23,731 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 22:21:23,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:23,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:23,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:23,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:23,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:21:23,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:21:23,746 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:23,759 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 22:21:23,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:23,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:23,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:23,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:23,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:21:23,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:21:23,772 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 22:21:23,795 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 22:21:23,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:23,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:23,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:23,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:23,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:21:23,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:21:23,804 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:21:23,819 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 22:21:23,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:23,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:21:23,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:23,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:23,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:23,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:21:23,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:23,825 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:21:23,841 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 22:21:23,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:23,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:21:23,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:23,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:23,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:23,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:21:23,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:23,852 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 22:21:23,865 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 22:21:23,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:23,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:21:23,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:23,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:23,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:23,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:21:23,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:21:23,870 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:21:23,887 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 22:21:23,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:23,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:23,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:23,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:23,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:21:23,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:23,902 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 22:21:23,914 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 22:21:23,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:23,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:23,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:23,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:23,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:21:23,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:21:23,927 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) [2019-11-19 22:21:23,942 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 22:21:23,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:23,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:23,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:23,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:23,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:21:23,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:23,964 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) [2019-11-19 22:21:23,980 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 22:21:23,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:23,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:23,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:23,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:23,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:21:23,985 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:23,989 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 22:21:23,997 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 22:21:24,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:24,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:24,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:24,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:24,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:21:24,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:21:24,030 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 22:21:24,044 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 22:21:24,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:24,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:24,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:24,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:24,048 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:21:24,048 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:21:24,054 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) [2019-11-19 22:21:24,063 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 22:21:24,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:24,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:24,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:24,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:24,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:21:24,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:24,075 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 22:21:24,082 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 22:21:24,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:24,085 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-19 22:21:24,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:24,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:24,094 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-19 22:21:24,094 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 22:21:24,111 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:21:24,184 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-11-19 22:21:24,184 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 17 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) [2019-11-19 22:21:24,193 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:24,198 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:21:24,198 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:21:24,199 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_quot_~x_ref~0.base) ULTIMATE.start_quot_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_quot_~x_ref~0.base) ULTIMATE.start_quot_~x_ref~0.offset)_1 Supporting invariants [] [2019-11-19 22:21:24,340 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2019-11-19 22:21:24,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:21:24,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:21:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:21:24,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-19 22:21:24,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:21:24,434 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-11-19 22:21:24,526 INFO L567 ElimStorePlain]: treesize reduction 65, result has 34.3 percent of original size [2019-11-19 22:21:24,528 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 22:21:24,528 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:68, output treesize:17 [2019-11-19 22:21:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:21:24,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-19 22:21:24,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:21:24,572 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:21:24,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:21:24,660 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 22:21:24,664 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-19 22:21:24,665 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand 5 states. [2019-11-19 22:21:24,756 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. Second operand 5 states. Result 9 states and 10 transitions. Complement of second has 7 states. [2019-11-19 22:21:24,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 22:21:24,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-19 22:21:24,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2019-11-19 22:21:24,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 3 letters. [2019-11-19 22:21:24,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:21:24,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-19 22:21:24,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:21:24,762 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 6 letters. [2019-11-19 22:21:24,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:21:24,762 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2019-11-19 22:21:24,763 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:21:24,763 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2019-11-19 22:21:24,763 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:21:24,763 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:21:24,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:21:24,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:21:24,763 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:21:24,764 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:21:24,764 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:21:24,765 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 22:21:24,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:21:24,765 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:21:24,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:21:24,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:21:24 BoogieIcfgContainer [2019-11-19 22:21:24,772 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:21:24,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:21:24,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:21:24,776 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:21:24,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:21:20" (3/4) ... [2019-11-19 22:21:24,793 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:21:24,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:21:24,796 INFO L168 Benchmark]: Toolchain (without parser) took 5394.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.0 MB). Free memory was 955.0 MB in the beginning and 935.1 MB in the end (delta: 19.9 MB). Peak memory consumption was 235.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:21:24,797 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:21:24,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:21:24,802 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.87 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 22:21:24,803 INFO L168 Benchmark]: Boogie Preprocessor took 39.67 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 22:21:24,804 INFO L168 Benchmark]: RCFGBuilder took 346.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:21:24,806 INFO L168 Benchmark]: BuchiAutomizer took 4257.45 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 935.1 MB in the end (delta: 170.3 MB). Peak memory consumption was 238.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:21:24,808 INFO L168 Benchmark]: Witness Printer took 21.22 ms. Allocated memory is still 1.2 GB. Free memory is still 935.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:21:24,821 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 656.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.87 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 39.67 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 346.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4257.45 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 935.1 MB in the end (delta: 170.3 MB). Peak memory consumption was 238.5 MB. Max. memory is 11.5 GB. * Witness Printer took 21.22 ms. Allocated memory is still 1.2 GB. Free memory is still 935.1 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 #memory_int * 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-#memory_int-unknown[x_ref][x_ref] 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 4.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 1 SDslu, 8 SDs, 0 SdLazy, 13 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital338 mio100 ax105 hnf100 lsp92 ukn56 mio100 lsp39 div100 bol100 ite100 ukn100 eq182 hnf88 smp94 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 120ms VariablesStem: 8 VariablesLoop: 4 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...