./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.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 d6678868f165c4dda1e615b0f5d66797a7e8aaae ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:04:46,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:04:46,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:04:46,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:04:46,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:04:46,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:04:46,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:04:46,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:04:46,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:04:46,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:04:46,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:04:46,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:04:46,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:04:46,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:04:46,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:04:46,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:04:46,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:04:46,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:04:46,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:04:46,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:04:46,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:04:46,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:04:46,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:04:46,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:04:46,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:04:46,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:04:46,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:04:46,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:04:46,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:04:46,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:04:46,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:04:46,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:04:46,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:04:46,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:04:46,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:04:46,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:04:46,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:04:46,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:04:46,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:04:46,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:04:46,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:04:46,432 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 03:04:46,456 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:04:46,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:04:46,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:04:46,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:04:46,459 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:04:46,460 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:04:46,460 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:04:46,460 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:04:46,460 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:04:46,461 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:04:46,461 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:04:46,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:04:46,461 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:04:46,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:04:46,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:04:46,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:04:46,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:04:46,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:04:46,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:04:46,463 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:04:46,463 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:04:46,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:04:46,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:04:46,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:04:46,465 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:04:46,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:04:46,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:04:46,466 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:04:46,469 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:04:46,469 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 -> d6678868f165c4dda1e615b0f5d66797a7e8aaae [2019-11-28 03:04:46,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:04:46,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:04:46,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:04:46,798 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:04:46,799 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:04:46,800 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.i [2019-11-28 03:04:46,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9bf43af1/149b4c180e76404ca3f39c83b400af6b/FLAG4b130b56d [2019-11-28 03:04:47,359 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:04:47,359 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.i [2019-11-28 03:04:47,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9bf43af1/149b4c180e76404ca3f39c83b400af6b/FLAG4b130b56d [2019-11-28 03:04:47,726 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9bf43af1/149b4c180e76404ca3f39c83b400af6b [2019-11-28 03:04:47,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:04:47,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:04:47,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:04:47,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:04:47,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:04:47,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:47" (1/1) ... [2019-11-28 03:04:47,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@652067f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:47, skipping insertion in model container [2019-11-28 03:04:47,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:47" (1/1) ... [2019-11-28 03:04:47,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:04:47,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:04:47,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:04:47,984 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:04:47,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:04:48,011 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:04:48,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:48 WrapperNode [2019-11-28 03:04:48,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:04:48,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:04:48,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:04:48,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:04:48,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:48" (1/1) ... [2019-11-28 03:04:48,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:48" (1/1) ... [2019-11-28 03:04:48,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:04:48,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:04:48,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:04:48,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:04:48,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:48" (1/1) ... [2019-11-28 03:04:48,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:48" (1/1) ... [2019-11-28 03:04:48,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:48" (1/1) ... [2019-11-28 03:04:48,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:48" (1/1) ... [2019-11-28 03:04:48,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:48" (1/1) ... [2019-11-28 03:04:48,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:48" (1/1) ... [2019-11-28 03:04:48,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:48" (1/1) ... [2019-11-28 03:04:48,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:04:48,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:04:48,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:04:48,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:04:48,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:04:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 03:04:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-28 03:04:48,196 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-28 03:04:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-28 03:04:48,196 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-28 03:04:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:04:48,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:04:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:04:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:04:48,434 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:04:48,434 INFO L297 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 03:04:48,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:48 BoogieIcfgContainer [2019-11-28 03:04:48,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:04:48,440 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:04:48,441 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:04:48,448 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:04:48,450 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:04:48,450 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:04:47" (1/3) ... [2019-11-28 03:04:48,456 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a0e6da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:04:48, skipping insertion in model container [2019-11-28 03:04:48,456 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:04:48,456 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:48" (2/3) ... [2019-11-28 03:04:48,460 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a0e6da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:04:48, skipping insertion in model container [2019-11-28 03:04:48,460 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:04:48,460 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:48" (3/3) ... [2019-11-28 03:04:48,465 INFO L371 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex7B.i [2019-11-28 03:04:48,521 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:04:48,522 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:04:48,522 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:04:48,522 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:04:48,522 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:04:48,522 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:04:48,522 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:04:48,523 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:04:48,543 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-28 03:04:48,573 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 03:04:48,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:04:48,574 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:04:48,581 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 03:04:48,581 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 03:04:48,581 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:04:48,582 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-28 03:04:48,584 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 03:04:48,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:04:48,584 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:04:48,584 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 03:04:48,585 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 03:04:48,593 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~nondet8, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet7;call write~int(main_#t~nondet8, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet8; 11#L43true call f(main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset);< 13#fENTRYtrue [2019-11-28 03:04:48,594 INFO L796 eck$LassoCheckResult]: Loop: 13#fENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4);call #t~mem2 := read~int(~q.base, ~q.offset, 4); 15#L13true assume !(#t~mem1 + #t~mem2 < 0);havoc #t~mem2;havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~np~0.base, ~np~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);call write~int(#t~mem4 - 1, ~np~0.base, ~np~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~p.base, ~p.offset); 17#L23true call g(~q.base, ~q.offset, ~np~0.base, ~np~0.offset);< 12#gENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~q.base, ~q.offset := #in~q.base, #in~q.offset; 5#L31true call f(~q.base, ~q.offset, ~p.base, ~p.offset);< 13#fENTRYtrue [2019-11-28 03:04:48,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:04:48,600 INFO L82 PathProgramCache]: Analyzing trace with hash 39794, now seen corresponding path program 1 times [2019-11-28 03:04:48,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:04:48,608 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950329432] [2019-11-28 03:04:48,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:04:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:04:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:04:48,767 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:04:48,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:04:48,768 INFO L82 PathProgramCache]: Analyzing trace with hash 28764888, now seen corresponding path program 1 times [2019-11-28 03:04:48,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:04:48,769 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631753470] [2019-11-28 03:04:48,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:04:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:04:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:04:48,849 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:04:48,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:04:48,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1102237191, now seen corresponding path program 1 times [2019-11-28 03:04:48,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:04:48,853 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568787835] [2019-11-28 03:04:48,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:04:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:04:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:04:49,039 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:04:49,525 WARN L192 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-11-28 03:04:49,656 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-11-28 03:04:49,911 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-11-28 03:04:50,255 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-11-28 03:04:50,380 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-28 03:04:50,544 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-28 03:04:50,635 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:04:50,636 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:04:50,636 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:04:50,636 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:04:50,637 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:04:50,637 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:50,637 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:04:50,638 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:04:50,638 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex7B.i_Iteration1_Lasso [2019-11-28 03:04:50,638 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:04:50,639 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:04:50,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:50,933 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-11-28 03:04:51,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:51,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:51,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:51,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:51,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:51,528 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 20 [2019-11-28 03:04:51,624 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:04:51,629 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 [2019-11-28 03:04:51,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:51,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:51,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:51,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:51,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:51,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:51,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:51,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:51,655 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:04:51,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:51,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:51,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:51,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:51,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:51,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:51,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:51,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:51,684 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:04:51,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:51,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:51,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:51,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:51,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:51,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:51,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:51,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:51,711 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:04:51,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:51,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:51,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:51,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:51,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:51,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:51,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:51,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:51,740 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:04:51,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:51,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:51,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:51,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:51,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:51,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:51,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:51,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:51,763 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 [2019-11-28 03:04:51,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:51,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:51,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:51,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:51,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:51,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:51,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:51,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:51,784 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:04:51,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:51,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:51,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:51,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:51,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:51,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:51,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:51,806 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 [2019-11-28 03:04:51,808 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) [2019-11-28 03:04:51,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:51,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:51,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:51,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:51,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:51,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:51,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:51,830 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 [2019-11-28 03:04:51,836 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) [2019-11-28 03:04:51,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:51,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:51,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:51,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:51,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:51,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:51,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:51,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:51,860 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:51,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:51,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:51,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:51,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:51,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:51,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:51,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:51,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:51,876 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) [2019-11-28 03:04:51,885 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 [2019-11-28 03:04:51,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:51,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:51,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:51,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:51,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:51,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:51,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:51,895 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 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 [2019-11-28 03:04:51,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:51,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:51,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:51,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:51,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:51,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:51,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:51,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:51,910 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:04:51,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:51,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:51,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:51,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:51,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:51,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:04:51,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:04:51,939 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:51,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:51,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:51,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:51,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:51,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:51,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:51,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:51,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:51,950 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 [2019-11-28 03:04:51,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:51,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:51,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:51,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:51,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:51,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:51,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:51,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:51,961 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 [2019-11-28 03:04:51,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:51,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:51,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:51,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:51,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:51,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:51,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:51,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:51,975 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 [2019-11-28 03:04:51,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:51,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:51,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:51,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:51,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:51,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:51,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:51,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:51,985 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 [2019-11-28 03:04:51,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:51,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:51,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:51,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:51,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:51,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:51,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:51,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:52,001 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 [2019-11-28 03:04:52,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:52,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:52,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:52,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:52,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:52,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:52,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:52,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:52,013 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 [2019-11-28 03:04:52,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:52,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:52,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:52,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:52,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:52,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:52,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:52,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:52,030 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 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 [2019-11-28 03:04:52,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:52,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:52,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:52,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:52,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:52,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:52,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:52,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:52,042 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) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:52,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:52,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:52,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:52,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:52,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:52,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:52,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:52,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:52,057 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 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 [2019-11-28 03:04:52,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:52,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:52,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:52,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:52,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:52,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:52,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:52,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:52,080 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 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:52,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:52,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:52,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:52,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:52,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:52,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:52,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:52,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:52,092 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 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:52,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:52,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:52,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:52,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:52,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:52,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:04:52,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:04:52,106 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:04:52,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:52,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:52,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:52,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:52,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:52,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:52,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:52,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:52,121 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 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:52,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:52,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:52,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:52,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:52,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:52,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:52,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:52,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:52,134 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 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:52,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:52,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:52,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:52,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:52,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:52,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:52,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:52,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:52,145 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 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:52,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:52,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:52,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:52,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:52,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:52,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:52,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:52,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:52,158 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:52,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:52,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:52,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:52,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:52,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:52,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:52,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:52,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:52,172 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 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:52,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:04:52,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:52,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:52,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:52,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:52,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:04:52,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:04:52,208 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:04:52,359 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-28 03:04:52,359 INFO L444 ModelExtractionUtils]: 0 out of 16 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:04:52,389 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:52,393 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-28 03:04:52,393 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:04:52,394 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select old(#memory_int) f_#in~p.base) f_#in~p.offset)_1, v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1) = 2*v_rep(select (select old(#memory_int) f_#in~p.base) f_#in~p.offset)_1 + 2*v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1 + 1 Supporting invariants [-1*v_rep(select (select #memory_int f_#in~p.base) f_#in~p.offset)_1 + 1*v_rep(select (select old(#memory_int) f_#in~p.base) f_#in~p.offset)_1 >= 0] [2019-11-28 03:04:52,426 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2019-11-28 03:04:52,442 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:04:52,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:04:52,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:04:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:04:52,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 03:04:52,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:04:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:04:52,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 53 conjunts are in the unsatisfiable core [2019-11-28 03:04:52,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:04:52,635 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2019-11-28 03:04:52,637 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 03:04:52,648 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:04:52,649 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 03:04:52,649 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:38 [2019-11-28 03:04:52,707 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:04:52,707 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-11-28 03:04:52,708 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 03:04:52,720 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:04:52,752 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:04:52,753 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 77 [2019-11-28 03:04:52,755 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 03:04:52,795 INFO L588 ElimStorePlain]: treesize reduction 42, result has 58.8 percent of original size [2019-11-28 03:04:52,796 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 03:04:52,799 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:39 [2019-11-28 03:04:52,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:04:52,944 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2019-11-28 03:04:52,946 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 6 states. [2019-11-28 03:05:00,519 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) stderr output: (error "out of memory") [2019-11-28 03:05:00,521 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkValidity(IncrementalHoareTripleChecker.java:674) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkCall(IncrementalHoareTripleChecker.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.checkCall(ProtectiveHoareTripleChecker.java:68) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.checkCall(EfficientHoareTripleChecker.java:78) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkCall(CachingHoareTripleChecker.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiHoareTripleChecker.checkCall(BuchiHoareTripleChecker.java:87) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$CallSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:403) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiInterpolantAutomatonBouncer.addNonAcceptingSuccLoop(BuchiInterpolantAutomatonBouncer.java:395) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiInterpolantAutomatonBouncer.computeSuccsLoop(BuchiInterpolantAutomatonBouncer.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiInterpolantAutomatonBouncer.computeSuccs(BuchiInterpolantAutomatonBouncer.java:246) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiInterpolantAutomatonBouncer.computeSuccs(BuchiInterpolantAutomatonBouncer.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.callSuccessors(AbstractInterpolantAutomaton.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.callSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.optncsb.NwaToBuchiWrapper.computeSuccessorsCall(NwaToBuchiWrapper.java:120) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.optncsb.StateNWA.getSuccessorsCall(StateNWA.java:69) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.optncsb.automata.BuchiNwa.getSuccessorsCall(BuchiNwa.java:147) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.optncsb.complement.StateNwaNCSB.computeSuccDoubleDeckers_CallOrInternal(StateNwaNCSB.java:107) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.optncsb.complement.StateNwaNCSB.computeSuccCallOrInternal(StateNwaNCSB.java:160) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.optncsb.complement.StateNwaNCSB.getSuccessorsCall(StateNwaNCSB.java:211) at de.uni_freiburg.informatik.ultimate.automata.nestedword.buchi.BuchiComplementNCSBSimpleNwa2.callSuccessors(BuchiComplementNCSBSimpleNwa2.java:273) at de.uni_freiburg.informatik.ultimate.automata.nestedword.NwaOutgoingLetterAndTransitionAdapter.callSuccessors(NwaOutgoingLetterAndTransitionAdapter.java:125) at de.uni_freiburg.informatik.ultimate.automata.nestedword.buchi.BuchiIntersectNwa.callSuccessors(BuchiIntersectNwa.java:263) at de.uni_freiburg.informatik.ultimate.automata.nestedword.buchi.BuchiIntersectNwa.callSuccessors(BuchiIntersectNwa.java:255) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addCallsAndSuccessors(NestedWordAutomatonReachableStates.java:1089) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:969) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.buchi.AbstractBuchiDifference.constructDifferenceFromComplement(AbstractBuchiDifference.java:91) at de.uni_freiburg.informatik.ultimate.automata.nestedword.buchi.BuchiDifferenceNCSBLazy3.constructResult(BuchiDifferenceNCSBLazy3.java:84) at de.uni_freiburg.informatik.ultimate.automata.nestedword.buchi.BuchiDifferenceNCSBLazy3.(BuchiDifferenceNCSBLazy3.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.RefineBuchi.nsbcDifference(RefineBuchi.java:535) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.RefineBuchi.refineBuchi(RefineBuchi.java:247) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:738) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:551) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 50 more [2019-11-28 03:05:00,525 INFO L168 Benchmark]: Toolchain (without parser) took 12793.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.0 MB). Free memory was 952.3 MB in the beginning and 877.7 MB in the end (delta: 74.6 MB). Peak memory consumption was 290.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:05:00,525 INFO L168 Benchmark]: CDTParser took 0.34 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. [2019-11-28 03:05:00,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.83 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:05:00,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -201.5 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:05:00,527 INFO L168 Benchmark]: Boogie Preprocessor took 28.57 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:05:00,530 INFO L168 Benchmark]: RCFGBuilder took 306.17 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: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:05:00,532 INFO L168 Benchmark]: BuchiAutomizer took 12082.39 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 877.7 MB in the end (delta: 234.8 MB). Peak memory consumption was 304.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:05:00,539 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 279.83 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -201.5 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.57 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 306.17 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: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 12082.39 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 877.7 MB in the end (delta: 234.8 MB). Peak memory consumption was 304.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...