./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/ldv-memsafety/memleaks_test18_3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 95f114a9b30107b01a4872fae9e8e5c20e3a4272 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:54:16,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:54:16,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:54:16,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:54:16,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:54:16,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:54:16,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:54:16,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:54:16,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:54:16,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:54:16,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:54:16,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:54:16,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:54:16,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:54:16,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:54:16,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:54:16,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:54:16,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:54:16,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:54:16,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:54:16,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:54:16,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:54:16,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:54:16,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:54:16,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:54:16,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:54:16,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:54:16,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:54:16,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:54:16,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:54:16,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:54:16,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:54:16,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:54:16,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:54:16,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:54:16,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:54:16,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:54:16,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:54:16,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:54:16,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:54:16,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:54:16,351 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:54:16,367 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:54:16,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:54:16,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:54:16,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:54:16,370 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:54:16,370 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:54:16,370 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:54:16,371 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:54:16,371 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:54:16,371 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:54:16,371 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:54:16,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:54:16,372 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:54:16,372 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:54:16,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:54:16,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:54:16,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:54:16,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:54:16,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:54:16,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:54:16,374 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:54:16,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:54:16,375 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:54:16,375 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:54:16,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:54:16,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:54:16,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:54:16,376 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:54:16,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:54:16,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:54:16,377 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:54:16,381 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:54:16,382 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95f114a9b30107b01a4872fae9e8e5c20e3a4272 [2019-11-28 03:54:16,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:54:16,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:54:16,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:54:16,742 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:54:16,743 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:54:16,744 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.i [2019-11-28 03:54:16,812 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/868421918/7e02b0a98df94d84a53c8506f2f52008/FLAGc0a21e999 [2019-11-28 03:54:17,306 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:54:17,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.i [2019-11-28 03:54:17,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/868421918/7e02b0a98df94d84a53c8506f2f52008/FLAGc0a21e999 [2019-11-28 03:54:17,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/868421918/7e02b0a98df94d84a53c8506f2f52008 [2019-11-28 03:54:17,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:54:17,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:54:17,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:54:17,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:54:17,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:54:17,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:54:17" (1/1) ... [2019-11-28 03:54:17,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315c7d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:17, skipping insertion in model container [2019-11-28 03:54:17,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:54:17" (1/1) ... [2019-11-28 03:54:17,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:54:17,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:54:18,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:54:18,225 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:54:18,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:54:18,392 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:54:18,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:18 WrapperNode [2019-11-28 03:54:18,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:54:18,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:54:18,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:54:18,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:54:18,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:18" (1/1) ... [2019-11-28 03:54:18,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:18" (1/1) ... [2019-11-28 03:54:18,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:54:18,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:54:18,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:54:18,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:54:18,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:18" (1/1) ... [2019-11-28 03:54:18,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:18" (1/1) ... [2019-11-28 03:54:18,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:18" (1/1) ... [2019-11-28 03:54:18,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:18" (1/1) ... [2019-11-28 03:54:18,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:18" (1/1) ... [2019-11-28 03:54:18,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:18" (1/1) ... [2019-11-28 03:54:18,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:18" (1/1) ... [2019-11-28 03:54:18,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:54:18,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:54:18,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:54:18,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:54:18,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:18" (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 03:54:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 03:54:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 03:54:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:54:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 03:54:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:54:18,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:54:18,893 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:54:18,894 INFO L297 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-28 03:54:18,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:54:18 BoogieIcfgContainer [2019-11-28 03:54:18,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:54:18,896 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:54:18,896 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:54:18,900 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:54:18,902 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:54:18,902 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:54:17" (1/3) ... [2019-11-28 03:54:18,904 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bbf5cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:54:18, skipping insertion in model container [2019-11-28 03:54:18,904 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:54:18,904 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:18" (2/3) ... [2019-11-28 03:54:18,905 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bbf5cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:54:18, skipping insertion in model container [2019-11-28 03:54:18,905 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:54:18,905 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:54:18" (3/3) ... [2019-11-28 03:54:18,909 INFO L371 chiAutomizerObserver]: Analyzing ICFG memleaks_test18_3.i [2019-11-28 03:54:18,964 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:54:18,964 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:54:18,964 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:54:18,964 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:54:18,965 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:54:18,965 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:54:18,965 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:54:18,966 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:54:18,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 03:54:19,012 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 03:54:19,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:54:19,013 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:54:19,021 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 03:54:19,021 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 03:54:19,021 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:54:19,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 03:54:19,024 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 03:54:19,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:54:19,024 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:54:19,025 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 03:54:19,025 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 03:54:19,032 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 3#L-1true havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 4#L526true assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 10#L529true entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0; 6#L765true assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 11#L766-3true [2019-11-28 03:54:19,037 INFO L796 eck$LassoCheckResult]: Loop: 11#L766-3true assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 7#L526-1true assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 12#L529-1true entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset;call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 9#L766-2true entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 11#L766-3true [2019-11-28 03:54:19,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:54:19,044 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2019-11-28 03:54:19,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:54:19,056 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097577452] [2019-11-28 03:54:19,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:54:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:54:19,280 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 03:54:19,281 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097577452] [2019-11-28 03:54:19,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:54:19,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:54:19,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184076661] [2019-11-28 03:54:19,287 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:54:19,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:54:19,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1603878, now seen corresponding path program 1 times [2019-11-28 03:54:19,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:54:19,288 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778993843] [2019-11-28 03:54:19,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:54:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:54:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:54:19,345 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:54:19,490 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-11-28 03:54:19,713 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-28 03:54:19,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:54:19,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 03:54:19,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 03:54:19,736 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 4 states. [2019-11-28 03:54:19,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:54:19,818 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2019-11-28 03:54:19,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 03:54:19,821 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 23 transitions. [2019-11-28 03:54:19,823 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-28 03:54:19,828 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 12 states and 13 transitions. [2019-11-28 03:54:19,829 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-28 03:54:19,830 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-28 03:54:19,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 13 transitions. [2019-11-28 03:54:19,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:54:19,831 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. [2019-11-28 03:54:19,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 13 transitions. [2019-11-28 03:54:19,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 9. [2019-11-28 03:54:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-28 03:54:19,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-11-28 03:54:19,861 INFO L711 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-11-28 03:54:19,861 INFO L591 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-11-28 03:54:19,861 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:54:19,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2019-11-28 03:54:19,864 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 03:54:19,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:54:19,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:54:19,865 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 03:54:19,865 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 03:54:19,866 INFO L794 eck$LassoCheckResult]: Stem: 48#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 45#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 46#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 47#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0; 51#L765 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 52#L766-3 [2019-11-28 03:54:19,866 INFO L796 eck$LassoCheckResult]: Loop: 52#L766-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 49#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 50#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset;call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 53#L766-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 52#L766-3 [2019-11-28 03:54:19,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:54:19,867 INFO L82 PathProgramCache]: Analyzing trace with hash 28693831, now seen corresponding path program 1 times [2019-11-28 03:54:19,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:54:19,868 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763653688] [2019-11-28 03:54:19,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:54:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:54:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:54:19,924 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:54:19,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:54:19,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1603878, now seen corresponding path program 2 times [2019-11-28 03:54:19,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:54:19,925 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924980352] [2019-11-28 03:54:19,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:54:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:54:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:54:19,988 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:54:19,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:54:19,989 INFO L82 PathProgramCache]: Analyzing trace with hash -592037012, now seen corresponding path program 1 times [2019-11-28 03:54:19,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:54:19,991 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098046979] [2019-11-28 03:54:19,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:54:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:54:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:54:20,048 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:54:20,170 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-11-28 03:54:20,498 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-11-28 03:54:20,615 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-28 03:54:20,630 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:54:20,631 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:54:20,631 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:54:20,632 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:54:20,632 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:54:20,632 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:54:20,632 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:54:20,633 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:54:20,633 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_3.i_Iteration2_Lasso [2019-11-28 03:54:20,633 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:54:20,633 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:54:20,673 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 03:54:20,684 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 03:54:20,686 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 03:54:20,691 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 03:54:20,696 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 03:54:20,702 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 03:54:20,705 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 03:54:20,707 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 03:54:20,712 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 03:54:20,717 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 03:54:20,987 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-11-28 03:54:21,100 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 03:54:21,105 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 03:54:21,110 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 03:54:21,114 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 03:54:21,822 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-11-28 03:54:21,920 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:54:21,928 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:54:21,941 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 03:54:21,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:54:21,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:54:21,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:54:21,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:54:21,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:54:21,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:54:21,958 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 03:54:21,973 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 03:54:21,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:54:21,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:54:21,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:54:21,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:54:21,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:54:21,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:54:21,977 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 03:54:21,980 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 03:54:21,992 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 03:54:21,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:54:21,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:54:21,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:54:21,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:54:21,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:54:21,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:54:21,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:54:21,999 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 03:54:22,014 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 03:54:22,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:54:22,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:54:22,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:54:22,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:54:22,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:54:22,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:54:22,018 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 03:54:22,021 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 03:54:22,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:54:22,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:54:22,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:54:22,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:54:22,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:54:22,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:54:22,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:54:22,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:54:22,052 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 03:54:22,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:54:22,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:54:22,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:54:22,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:54:22,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:54:22,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:54:22,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:54:22,062 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:54:22,080 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 03:54:22,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:54:22,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:54:22,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:54:22,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:54:22,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:54:22,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:54:22,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:54:22,089 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:54:22,099 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 03:54:22,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:54:22,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:54:22,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:54:22,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:54:22,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:54:22,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:54:22,110 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 03:54:22,129 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 03:54:22,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:54:22,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:54:22,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:54:22,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:54:22,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:54:22,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:54:22,142 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 03:54:22,148 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 03:54:22,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:54:22,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:54:22,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:54:22,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:54:22,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:54:22,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:54:22,159 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 [2019-11-28 03:54:22,181 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 03:54:22,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:54:22,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:54:22,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:54:22,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:54:22,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:54:22,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:54:22,191 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 03:54:22,203 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 03:54:22,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:54:22,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:54:22,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:54:22,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:54:22,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:54:22,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:54:22,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:54:22,212 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:54:22,225 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 03:54:22,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:54:22,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:54:22,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:54:22,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:54:22,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:54:22,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:54:22,295 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:54:22,408 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-28 03:54:22,408 INFO L444 ModelExtractionUtils]: 18 out of 43 variables were initially zero. Simplification set additionally 22 variables to zero. 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) [2019-11-28 03:54:22,471 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:54:22,476 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:54:22,477 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:54:22,477 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~len~0, ULTIMATE.start_entry_point_~i~0) = 1*ULTIMATE.start_entry_point_~len~0 - 1*ULTIMATE.start_entry_point_~i~0 Supporting invariants [] [2019-11-28 03:54:22,508 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-11-28 03:54:22,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:54:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:54:22,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:54:22,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:54:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:54:22,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:54:22,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:54:22,604 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 03:54:22,607 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:54:22,608 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 2 Second operand 3 states. [2019-11-28 03:54:22,652 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 2. Second operand 3 states. Result 13 states and 16 transitions. Complement of second has 4 states. [2019-11-28 03:54:22,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 03:54:22,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:54:22,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2019-11-28 03:54:22,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-28 03:54:22,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:54:22,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 9 letters. Loop has 4 letters. [2019-11-28 03:54:22,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:54:22,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 8 letters. [2019-11-28 03:54:22,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:54:22,660 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2019-11-28 03:54:22,662 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:54:22,662 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2019-11-28 03:54:22,662 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:54:22,662 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:54:22,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:54:22,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:54:22,663 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:54:22,663 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:54:22,663 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:54:22,663 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:54:22,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:54:22,663 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:54:22,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:54:22,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:54:22 BoogieIcfgContainer [2019-11-28 03:54:22,671 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:54:22,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:54:22,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:54:22,673 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:54:22,674 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:54:18" (3/4) ... [2019-11-28 03:54:22,679 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:54:22,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:54:22,682 INFO L168 Benchmark]: Toolchain (without parser) took 5079.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -113.6 MB). Peak memory consumption was 94.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:54:22,683 INFO L168 Benchmark]: CDTParser took 0.21 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 03:54:22,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:54:22,689 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.78 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:54:22,690 INFO L168 Benchmark]: Boogie Preprocessor took 30.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:54:22,690 INFO L168 Benchmark]: RCFGBuilder took 416.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:54:22,691 INFO L168 Benchmark]: BuchiAutomizer took 3775.51 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 91.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:54:22,691 INFO L168 Benchmark]: Witness Printer took 6.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:54:22,695 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 790.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.78 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 416.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3775.51 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 91.8 MB. Max. memory is 11.5 GB. * Witness Printer took 6.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function len + -1 * i and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 9 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 25 SDtfs, 19 SDslu, 21 SDs, 0 SdLazy, 20 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital253 mio100 ax111 hnf101 lsp86 ukn64 mio100 lsp57 div100 bol100 ite100 ukn100 eq201 hnf88 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...