./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex10.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 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_ex10.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 15c6db6bd14dffda34ad35d2a51204e1169327e8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:50:47,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:50:47,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:50:47,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:50:47,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:50:47,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:50:47,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:50:47,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:50:47,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:50:47,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:50:47,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:50:47,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:50:47,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:50:47,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:50:47,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:50:47,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:50:47,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:50:47,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:50:47,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:50:47,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:50:47,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:50:47,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:50:47,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:50:47,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:50:47,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:50:47,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:50:47,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:50:47,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:50:47,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:50:47,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:50:47,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:50:47,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:50:47,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:50:47,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:50:47,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:50:47,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:50:47,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:50:47,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:50:47,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:50:47,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:50:47,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:50:47,472 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-19 18:50:47,516 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:50:47,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:50:47,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:50:47,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:50:47,519 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:50:47,519 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 18:50:47,519 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 18:50:47,520 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 18:50:47,520 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 18:50:47,520 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 18:50:47,521 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 18:50:47,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:50:47,522 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:50:47,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:50:47,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:50:47,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 18:50:47,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 18:50:47,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 18:50:47,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:50:47,524 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 18:50:47,524 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:50:47,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 18:50:47,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:50:47,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:50:47,525 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 18:50:47,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:50:47,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:50:47,526 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:50:47,527 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 18:50:47,528 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 18:50:47,529 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 -> 15c6db6bd14dffda34ad35d2a51204e1169327e8 [2020-10-19 18:50:47,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:50:47,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:50:47,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:50:47,841 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:50:47,841 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:50:47,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex10.i [2020-10-19 18:50:47,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c2363958/19bb66f5abd444ebb09c35bb6f09760f/FLAGfa51b85ce [2020-10-19 18:50:48,279 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:50:48,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex10.i [2020-10-19 18:50:48,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c2363958/19bb66f5abd444ebb09c35bb6f09760f/FLAGfa51b85ce [2020-10-19 18:50:48,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c2363958/19bb66f5abd444ebb09c35bb6f09760f [2020-10-19 18:50:48,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:50:48,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:50:48,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:50:48,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:50:48,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:50:48,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:50:48" (1/1) ... [2020-10-19 18:50:48,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e09e114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:48, skipping insertion in model container [2020-10-19 18:50:48,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:50:48" (1/1) ... [2020-10-19 18:50:48,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:50:48,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:50:48,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:50:48,932 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:50:48,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:50:48,961 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:50:48,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:48 WrapperNode [2020-10-19 18:50:48,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:50:48,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:50:48,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:50:48,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:50:48,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:48" (1/1) ... [2020-10-19 18:50:48,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:48" (1/1) ... [2020-10-19 18:50:49,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:50:49,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:50:49,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:50:49,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:50:49,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:48" (1/1) ... [2020-10-19 18:50:49,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:48" (1/1) ... [2020-10-19 18:50:49,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:48" (1/1) ... [2020-10-19 18:50:49,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:48" (1/1) ... [2020-10-19 18:50:49,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:48" (1/1) ... [2020-10-19 18:50:49,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:48" (1/1) ... [2020-10-19 18:50:49,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:48" (1/1) ... [2020-10-19 18:50:49,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:50:49,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:50:49,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:50:49,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:50:49,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:48" (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 [2020-10-19 18:50:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 18:50:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:50:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-19 18:50:49,156 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-19 18:50:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-19 18:50:49,156 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-19 18:50:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:50:49,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:50:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 18:50:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:50:49,499 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:50:49,500 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-19 18:50:49,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:50:49 BoogieIcfgContainer [2020-10-19 18:50:49,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:50:49,503 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 18:50:49,503 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 18:50:49,507 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 18:50:49,508 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:50:49,508 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 06:50:48" (1/3) ... [2020-10-19 18:50:49,509 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e345f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:50:49, skipping insertion in model container [2020-10-19 18:50:49,509 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:50:49,509 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:48" (2/3) ... [2020-10-19 18:50:49,510 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e345f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:50:49, skipping insertion in model container [2020-10-19 18:50:49,510 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:50:49,510 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:50:49" (3/3) ... [2020-10-19 18:50:49,512 INFO L373 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex10.i [2020-10-19 18:50:49,560 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 18:50:49,560 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 18:50:49,560 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 18:50:49,560 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:50:49,560 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:50:49,560 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 18:50:49,560 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:50:49,561 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 18:50:49,576 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-10-19 18:50:49,604 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-10-19 18:50:49,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:50:49,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:50:49,614 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-19 18:50:49,614 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-19 18:50:49,614 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 18:50:49,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-10-19 18:50:49,617 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-10-19 18:50:49,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:50:49,617 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:50:49,618 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-19 18:50:49,618 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-19 18:50:49,627 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet9, main_#t~nondet10, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call write~int(main_#t~nondet9, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet9;call write~int(main_#t~nondet10, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet10; 5#L49true call f(main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset);< 13#fENTRYtrue [2020-10-19 18:50:49,627 INFO L796 eck$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;call #t~mem5 := read~int(~p.base, ~p.offset, 4);call #t~mem6 := read~int(~q.base, ~q.offset, 4); 7#L31true assume !(#t~mem5 + #t~mem6 < 0);havoc #t~mem5;havoc #t~mem6; 18#L35true call f(~q.base, ~q.offset, ~p.base, ~p.offset);< 13#fENTRYtrue [2020-10-19 18:50:49,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:50:49,635 INFO L82 PathProgramCache]: Analyzing trace with hash 43766, now seen corresponding path program 1 times [2020-10-19 18:50:49,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:50:49,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132748540] [2020-10-19 18:50:49,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:50:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:49,776 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:49,797 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:49,822 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:50:49,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:50:49,824 INFO L82 PathProgramCache]: Analyzing trace with hash 891830467, now seen corresponding path program 1 times [2020-10-19 18:50:49,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:50:49,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352743386] [2020-10-19 18:50:49,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:50:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:49,863 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:49,919 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:49,926 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:50:49,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:50:49,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1193795592, now seen corresponding path program 1 times [2020-10-19 18:50:49,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:50:49,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655638810] [2020-10-19 18:50:49,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:50:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:49,998 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:50,034 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:50,042 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:50:50,728 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2020-10-19 18:50:50,839 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-19 18:50:51,347 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 106 [2020-10-19 18:50:51,690 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2020-10-19 18:50:51,816 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-19 18:50:51,971 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-19 18:50:52,090 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:50:52,091 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:50:52,091 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:50:52,091 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:50:52,091 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:50:52,091 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:52,092 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:50:52,092 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:50:52,092 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex10.i_Iteration1_Lasso [2020-10-19 18:50:52,092 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:50:52,093 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:50:52,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,320 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-10-19 18:50:52,531 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2020-10-19 18:50:52,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:52,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:53,259 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:50:53,265 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 [2020-10-19 18:50:53,295 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 [2020-10-19 18:50:53,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:53,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:53,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:53,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:53,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:53,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:53,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:53,306 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:53,341 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 [2020-10-19 18:50:53,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:53,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:53,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:53,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:53,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:53,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:53,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:53,352 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:53,377 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 [2020-10-19 18:50:53,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:53,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:53,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:53,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:53,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:53,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:53,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:53,389 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) [2020-10-19 18:50:53,430 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 [2020-10-19 18:50:53,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:53,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:53,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:53,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:53,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:53,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:53,435 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 [2020-10-19 18:50:53,438 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:53,464 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 [2020-10-19 18:50:53,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:53,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:53,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:53,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:53,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:53,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:53,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:53,469 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 [2020-10-19 18:50:53,494 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 [2020-10-19 18:50:53,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:53,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:53,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:53,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:53,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:53,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:53,511 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:53,544 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 [2020-10-19 18:50:53,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:53,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:53,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:53,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:53,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:53,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:53,562 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) [2020-10-19 18:50:53,611 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 [2020-10-19 18:50:53,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:53,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:53,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:53,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:53,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:53,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:53,637 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:53,660 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 [2020-10-19 18:50:53,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:53,662 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2020-10-19 18:50:53,662 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 18:50:53,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:53,682 INFO L401 nArgumentSynthesizer]: We have 28 Motzkin's Theorem applications. [2020-10-19 18:50:53,682 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-19 18:50:53,708 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 [2020-10-19 18:50:53,732 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 [2020-10-19 18:50:53,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:53,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:53,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:53,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:53,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:53,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:53,747 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:53,784 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 [2020-10-19 18:50:53,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:53,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:53,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:53,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:53,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:53,797 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:53,815 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:50:53,984 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-19 18:50:53,984 INFO L444 ModelExtractionUtils]: 2 out of 22 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:50:53,999 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:54,002 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-19 18:50:54,002 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:50:54,003 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int f_#in~p.base) 0)_1, v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1) = 1*v_rep(select (select #memory_int f_#in~p.base) 0)_1 + 1*v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1 Supporting invariants [] [2020-10-19 18:50:54,106 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-19 18:50:54,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:50:54,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:50:54,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:50:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:50:54,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-19 18:50:54,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:50:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:50:54,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 55 conjunts are in the unsatisfiable core [2020-10-19 18:50:54,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:50:54,565 INFO L441 ElimStorePlain]: Different costs {0=[|v_#length_49|], 1=[|v_#valid_57|]} [2020-10-19 18:50:54,594 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-19 18:50:54,594 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:50:54,621 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:50:54,633 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:50:54,634 INFO L384 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 [2020-10-19 18:50:54,637 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:50:54,641 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:50:54,644 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-19 18:50:54,672 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:50:54,679 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-19 18:50:54,681 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-19 18:50:54,727 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:50:54,727 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 104 [2020-10-19 18:50:54,730 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-19 18:50:54,798 INFO L625 ElimStorePlain]: treesize reduction 93, result has 41.9 percent of original size [2020-10-19 18:50:54,808 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-19 18:50:54,811 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:72, output treesize:44 [2020-10-19 18:50:54,958 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-19 18:50:54,959 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:50:54,975 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:50:54,977 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-19 18:50:54,978 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:54, output treesize:45 [2020-10-19 18:50:55,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:50:55,054 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2020-10-19 18:50:55,056 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 7 states. [2020-10-19 18:50:55,419 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 7 states. Result 46 states and 52 transitions. Complement of second has 21 states. [2020-10-19 18:50:55,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2020-10-19 18:50:55,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-19 18:50:55,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. [2020-10-19 18:50:55,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 6 letters. [2020-10-19 18:50:55,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:50:55,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 9 letters. Loop has 6 letters. [2020-10-19 18:50:55,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:50:55,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 12 letters. [2020-10-19 18:50:55,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:50:55,429 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 52 transitions. [2020-10-19 18:50:55,436 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:50:55,439 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 0 states and 0 transitions. [2020-10-19 18:50:55,441 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 18:50:55,441 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 18:50:55,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 18:50:55,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:50:55,442 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:50:55,442 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:50:55,442 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:50:55,443 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 18:50:55,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:50:55,443 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:50:55,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 18:50:55,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 06:50:55 BoogieIcfgContainer [2020-10-19 18:50:55,450 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 18:50:55,451 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:50:55,451 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:50:55,451 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:50:55,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:50:49" (3/4) ... [2020-10-19 18:50:55,455 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:50:55,456 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:50:55,458 INFO L168 Benchmark]: Toolchain (without parser) took 6731.17 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 300.4 MB). Free memory was 958.6 MB in the beginning and 1.3 GB in the end (delta: -315.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:50:55,459 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:50:55,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.80 ms. Allocated memory is still 1.0 GB. Free memory was 958.6 MB in the beginning and 947.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:50:55,461 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:50:55,461 INFO L168 Benchmark]: Boogie Preprocessor took 22.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:50:55,462 INFO L168 Benchmark]: RCFGBuilder took 423.00 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:50:55,463 INFO L168 Benchmark]: BuchiAutomizer took 5947.54 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -165.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:50:55,464 INFO L168 Benchmark]: Witness Printer took 5.20 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:50:55,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 228.80 ms. Allocated memory is still 1.0 GB. Free memory was 958.6 MB in the beginning and 947.9 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 93.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 423.00 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5947.54 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -165.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 5.20 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[p][0] + unknown-#memory_int-unknown[q][q] and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.1s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 11 SDslu, 23 SDs, 0 SdLazy, 59 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital239 mio100 ax100 hnf99 lsp97 ukn76 mio100 lsp33 div100 bol100 ite100 ukn100 eq188 hnf88 smp96 dnf107 smp93 tf100 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 28 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...