./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.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 6ac1507c93933134ec25f982abf479335179fe0d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:21:56,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:21:56,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:21:56,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:21:56,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:21:56,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:21:56,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:21:56,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:21:56,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:21:56,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:21:56,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:21:56,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:21:56,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:21:56,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:21:56,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:21:56,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:21:56,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:21:56,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:21:56,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:21:56,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:21:56,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:21:56,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:21:56,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:21:56,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:21:56,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:21:56,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:21:56,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:21:56,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:21:56,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:21:56,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:21:56,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:21:56,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:21:56,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:21:56,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:21:56,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:21:56,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:21:56,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:21:56,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:21:56,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:21:56,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:21:56,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:21:56,396 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 22:21:56,413 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:21:56,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:21:56,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:21:56,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:21:56,416 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:21:56,416 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:21:56,416 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:21:56,416 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:21:56,417 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:21:56,417 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:21:56,417 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:21:56,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:21:56,418 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:21:56,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:21:56,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:21:56,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:21:56,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:21:56,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:21:56,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:21:56,420 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:21:56,420 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:21:56,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:21:56,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:21:56,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:21:56,421 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:21:56,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:21:56,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:21:56,422 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:21:56,423 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:21:56,423 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 -> 6ac1507c93933134ec25f982abf479335179fe0d [2019-11-19 22:21:56,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:21:56,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:21:56,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:21:56,739 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:21:56,740 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:21:56,741 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2019-11-19 22:21:56,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/323ca00a2/923f5112aeb0449dafd68b58c11ce272/FLAGe11e20ec1 [2019-11-19 22:21:57,287 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:21:57,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2019-11-19 22:21:57,297 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/323ca00a2/923f5112aeb0449dafd68b58c11ce272/FLAGe11e20ec1 [2019-11-19 22:21:57,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/323ca00a2/923f5112aeb0449dafd68b58c11ce272 [2019-11-19 22:21:57,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:21:57,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:21:57,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:21:57,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:21:57,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:21:57,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:21:57" (1/1) ... [2019-11-19 22:21:57,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be23fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:57, skipping insertion in model container [2019-11-19 22:21:57,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:21:57" (1/1) ... [2019-11-19 22:21:57,713 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:21:57,737 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:21:57,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:21:57,923 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:21:57,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:21:57,956 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:21:57,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:57 WrapperNode [2019-11-19 22:21:57,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:21:57,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:21:57,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:21:57,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:21:57,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:57" (1/1) ... [2019-11-19 22:21:58,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:57" (1/1) ... [2019-11-19 22:21:58,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:21:58,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:21:58,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:21:58,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:21:58,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:57" (1/1) ... [2019-11-19 22:21:58,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:57" (1/1) ... [2019-11-19 22:21:58,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:57" (1/1) ... [2019-11-19 22:21:58,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:57" (1/1) ... [2019-11-19 22:21:58,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:57" (1/1) ... [2019-11-19 22:21:58,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:57" (1/1) ... [2019-11-19 22:21:58,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:57" (1/1) ... [2019-11-19 22:21:58,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:21:58,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:21:58,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:21:58,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:21:58,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 22:21:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-19 22:21:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:21:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:21:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 22:21:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure selectionSort [2019-11-19 22:21:58,148 INFO L138 BoogieDeclarations]: Found implementation of procedure selectionSort [2019-11-19 22:21:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:21:58,453 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:21:58,454 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-19 22:21:58,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:21:58 BoogieIcfgContainer [2019-11-19 22:21:58,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:21:58,457 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:21:58,458 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:21:58,469 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:21:58,471 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:21:58,472 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:21:57" (1/3) ... [2019-11-19 22:21:58,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60f6fefb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:21:58, skipping insertion in model container [2019-11-19 22:21:58,475 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:21:58,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:57" (2/3) ... [2019-11-19 22:21:58,477 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60f6fefb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:21:58, skipping insertion in model container [2019-11-19 22:21:58,478 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:21:58,479 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:21:58" (3/3) ... [2019-11-19 22:21:58,482 INFO L371 chiAutomizerObserver]: Analyzing ICFG selectionSort_recursive.i [2019-11-19 22:21:58,538 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:21:58,538 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:21:58,538 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:21:58,539 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:21:58,539 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:21:58,539 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:21:58,539 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:21:58,539 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:21:58,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-11-19 22:21:58,576 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-19 22:21:58,577 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:21:58,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:21:58,583 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-19 22:21:58,583 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:21:58,583 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:21:58,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-11-19 22:21:58,587 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-19 22:21:58,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:21:58,587 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:21:58,588 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-19 22:21:58,588 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:21:58,595 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 9#L31true assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 16#L36-3true [2019-11-19 22:21:58,595 INFO L796 eck$LassoCheckResult]: Loop: 16#L36-3true assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 20#L36-2true main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 16#L36-3true [2019-11-19 22:21:58,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:21:58,601 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-19 22:21:58,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:21:58,611 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098376434] [2019-11-19 22:21:58,611 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:21:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:58,745 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:21:58,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:21:58,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2019-11-19 22:21:58,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:21:58,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408677764] [2019-11-19 22:21:58,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:21:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:58,770 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:21:58,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:21:58,772 INFO L82 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2019-11-19 22:21:58,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:21:58,773 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998605685] [2019-11-19 22:21:58,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:21:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:58,814 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:21:59,070 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:21:59,072 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:21:59,072 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:21:59,073 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:21:59,073 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:21:59,073 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:59,073 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:21:59,074 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:21:59,074 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration1_Lasso [2019-11-19 22:21:59,074 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:21:59,075 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:21:59,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:21:59,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:21:59,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:21:59,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:21:59,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:21:59,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:21:59,576 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:21:59,581 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:59,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:21:59,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:59,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:21:59,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:59,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:59,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:59,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:21:59,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:21:59,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:59,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:21:59,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:59,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:21:59,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:59,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:59,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:59,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:21:59,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:21:59,625 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:59,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:21:59,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:59,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:59,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:59,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:59,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:21:59,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:21:59,655 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:59,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:21:59,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:59,664 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-19 22:21:59,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:59,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:59,671 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-19 22:21:59,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:21:59,680 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:59,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:21:59,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:59,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:59,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:59,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:59,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:21:59,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:21:59,715 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:59,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:21:59,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:59,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:59,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:59,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:59,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:21:59,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:21:59,758 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:21:59,801 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-19 22:21:59,802 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:59,814 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:21:59,818 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-19 22:21:59,818 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:21:59,819 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~a~0.base)_1) = -2*ULTIMATE.start_main_~i~0 + 1*v_rep(select #length ULTIMATE.start_main_~a~0.base)_1 Supporting invariants [-2*ULTIMATE.start_main_~n~0 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1 >= 0] [2019-11-19 22:21:59,837 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2019-11-19 22:21:59,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-19 22:21:59,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:21:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:21:59,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 22:21:59,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:21:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:21:59,925 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 22:21:59,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:21:59,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:21:59,969 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 22:21:59,970 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 3 states. [2019-11-19 22:22:00,058 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 3 states. Result 39 states and 53 transitions. Complement of second has 9 states. [2019-11-19 22:22:00,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 22:22:00,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:22:00,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2019-11-19 22:22:00,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-19 22:22:00,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:22:00,066 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-19 22:22:00,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:22:00,066 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 4 letters. [2019-11-19 22:22:00,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:22:00,067 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 53 transitions. [2019-11-19 22:22:00,072 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-19 22:22:00,078 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 14 states and 19 transitions. [2019-11-19 22:22:00,080 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-19 22:22:00,080 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-19 22:22:00,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2019-11-19 22:22:00,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:22:00,081 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2019-11-19 22:22:00,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2019-11-19 22:22:00,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-19 22:22:00,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-19 22:22:00,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2019-11-19 22:22:00,114 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2019-11-19 22:22:00,114 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2019-11-19 22:22:00,114 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:22:00,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2019-11-19 22:22:00,115 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-19 22:22:00,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:22:00,116 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:22:00,116 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 22:22:00,116 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 22:22:00,117 INFO L794 eck$LassoCheckResult]: Stem: 134#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 129#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 130#L31 assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 131#L36-3 assume !(main_~i~0 < main_~n~0); 124#L36-4 call selectionSort(main_~a~0.base, main_~a~0.offset, 0, main_~n~0);< 127#selectionSortENTRY [2019-11-19 22:22:00,117 INFO L796 eck$LassoCheckResult]: Loop: 127#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 128#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 132#L14-3 assume !(~index~0 < ~size); 133#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 125#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 127#selectionSortENTRY [2019-11-19 22:22:00,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:00,118 INFO L82 PathProgramCache]: Analyzing trace with hash 28695915, now seen corresponding path program 1 times [2019-11-19 22:22:00,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:22:00,118 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702603435] [2019-11-19 22:22:00,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:22:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:00,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:00,198 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702603435] [2019-11-19 22:22:00,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:22:00,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:22:00,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720064135] [2019-11-19 22:22:00,203 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 22:22:00,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:00,204 INFO L82 PathProgramCache]: Analyzing trace with hash 53570596, now seen corresponding path program 1 times [2019-11-19 22:22:00,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:22:00,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875130598] [2019-11-19 22:22:00,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:22:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:00,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:00,227 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875130598] [2019-11-19 22:22:00,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:22:00,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:22:00,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047681213] [2019-11-19 22:22:00,228 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 22:22:00,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:22:00,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:22:00,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:22:00,233 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-11-19 22:22:00,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:22:00,252 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2019-11-19 22:22:00,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:22:00,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-11-19 22:22:00,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 22:22:00,256 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2019-11-19 22:22:00,256 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-19 22:22:00,256 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-19 22:22:00,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2019-11-19 22:22:00,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:22:00,257 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-19 22:22:00,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2019-11-19 22:22:00,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-19 22:22:00,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-19 22:22:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2019-11-19 22:22:00,260 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-19 22:22:00,260 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-19 22:22:00,260 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 22:22:00,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2019-11-19 22:22:00,261 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 22:22:00,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:22:00,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:22:00,262 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 22:22:00,263 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:22:00,263 INFO L794 eck$LassoCheckResult]: Stem: 170#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 165#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 166#L31 assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 167#L36-3 assume !(main_~i~0 < main_~n~0); 160#L36-4 call selectionSort(main_~a~0.base, main_~a~0.offset, 0, main_~n~0);< 163#selectionSortENTRY [2019-11-19 22:22:00,263 INFO L796 eck$LassoCheckResult]: Loop: 163#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 164#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 168#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 159#L16 assume #t~mem2 < #t~mem3;havoc #t~mem3;havoc #t~mem2;~minIndex~0 := ~index~0; 162#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 171#L14-3 assume !(~index~0 < ~size); 169#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 161#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 163#selectionSortENTRY [2019-11-19 22:22:00,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:00,264 INFO L82 PathProgramCache]: Analyzing trace with hash 28695915, now seen corresponding path program 2 times [2019-11-19 22:22:00,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:22:00,265 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845417395] [2019-11-19 22:22:00,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:22:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:00,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:00,301 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845417395] [2019-11-19 22:22:00,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:22:00,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:22:00,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356461923] [2019-11-19 22:22:00,303 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 22:22:00,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:00,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1756570492, now seen corresponding path program 1 times [2019-11-19 22:22:00,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:22:00,304 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970189668] [2019-11-19 22:22:00,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:22:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:00,360 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:22:00,590 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-11-19 22:22:00,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:22:00,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:22:00,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:22:00,818 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-11-19 22:22:00,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:22:00,830 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2019-11-19 22:22:00,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:22:00,831 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2019-11-19 22:22:00,832 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 22:22:00,833 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 19 transitions. [2019-11-19 22:22:00,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-19 22:22:00,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-19 22:22:00,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2019-11-19 22:22:00,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:22:00,835 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-19 22:22:00,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2019-11-19 22:22:00,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2019-11-19 22:22:00,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-19 22:22:00,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2019-11-19 22:22:00,839 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-11-19 22:22:00,839 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-11-19 22:22:00,839 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-19 22:22:00,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2019-11-19 22:22:00,841 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 22:22:00,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:22:00,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:22:00,842 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:22:00,842 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:22:00,843 INFO L794 eck$LassoCheckResult]: Stem: 207#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 202#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 203#L31 assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 204#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 209#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 210#L36-3 assume !(main_~i~0 < main_~n~0); 197#L36-4 call selectionSort(main_~a~0.base, main_~a~0.offset, 0, main_~n~0);< 200#selectionSortENTRY [2019-11-19 22:22:00,843 INFO L796 eck$LassoCheckResult]: Loop: 200#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 201#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 205#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 196#L16 assume #t~mem2 < #t~mem3;havoc #t~mem3;havoc #t~mem2;~minIndex~0 := ~index~0; 199#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 208#L14-3 assume !(~index~0 < ~size); 206#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 198#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 200#selectionSortENTRY [2019-11-19 22:22:00,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:00,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1806996941, now seen corresponding path program 1 times [2019-11-19 22:22:00,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:22:00,844 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249866150] [2019-11-19 22:22:00,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:22:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:00,902 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:22:00,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:00,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1756570492, now seen corresponding path program 2 times [2019-11-19 22:22:00,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:22:00,903 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787612682] [2019-11-19 22:22:00,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:22:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:00,956 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:22:00,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:00,959 INFO L82 PathProgramCache]: Analyzing trace with hash 170190416, now seen corresponding path program 1 times [2019-11-19 22:22:00,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:22:00,959 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293041416] [2019-11-19 22:22:00,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:22:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:01,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 22:22:01,098 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293041416] [2019-11-19 22:22:01,099 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931767243] [2019-11-19 22:22:01,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 22:22:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:01,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 22:22:01,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:22:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 22:22:01,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 22:22:01,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2019-11-19 22:22:01,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181312378] [2019-11-19 22:22:01,425 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-11-19 22:22:01,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:22:01,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-19 22:22:01,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-19 22:22:01,655 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand 10 states. [2019-11-19 22:22:01,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:22:01,732 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2019-11-19 22:22:01,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 22:22:01,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2019-11-19 22:22:01,734 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 22:22:01,734 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 21 transitions. [2019-11-19 22:22:01,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-19 22:22:01,735 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-19 22:22:01,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2019-11-19 22:22:01,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:22:01,735 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-19 22:22:01,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2019-11-19 22:22:01,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2019-11-19 22:22:01,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-19 22:22:01,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-11-19 22:22:01,738 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-19 22:22:01,738 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-19 22:22:01,738 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-19 22:22:01,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2019-11-19 22:22:01,739 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 22:22:01,739 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:22:01,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:22:01,740 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2019-11-19 22:22:01,740 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:22:01,741 INFO L794 eck$LassoCheckResult]: Stem: 304#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 299#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 300#L31 assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 301#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 306#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 307#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 308#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 309#L36-3 assume !(main_~i~0 < main_~n~0); 295#L36-4 call selectionSort(main_~a~0.base, main_~a~0.offset, 0, main_~n~0);< 297#selectionSortENTRY [2019-11-19 22:22:01,741 INFO L796 eck$LassoCheckResult]: Loop: 297#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 298#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 302#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 293#L16 assume #t~mem2 < #t~mem3;havoc #t~mem3;havoc #t~mem2;~minIndex~0 := ~index~0; 296#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 305#L14-3 assume !(~index~0 < ~size); 303#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 294#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 297#selectionSortENTRY [2019-11-19 22:22:01,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:01,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1357299119, now seen corresponding path program 2 times [2019-11-19 22:22:01,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:22:01,742 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262155434] [2019-11-19 22:22:01,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:22:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:01,761 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:22:01,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:01,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1756570492, now seen corresponding path program 3 times [2019-11-19 22:22:01,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:22:01,763 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72791602] [2019-11-19 22:22:01,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:22:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:01,783 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:22:01,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:01,783 INFO L82 PathProgramCache]: Analyzing trace with hash -290845646, now seen corresponding path program 2 times [2019-11-19 22:22:01,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:22:01,784 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144475970] [2019-11-19 22:22:01,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:22:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:01,847 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:22:02,025 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-11-19 22:22:02,413 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2019-11-19 22:22:02,616 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:22:02,616 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:22:02,617 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:22:02,617 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:22:02,617 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:22:02,617 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:02,617 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:22:02,617 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:22:02,618 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration5_Lasso [2019-11-19 22:22:02,618 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:22:02,618 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:22:02,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:02,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:03,081 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:22:03,081 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:22:03,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,122 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 [2019-11-19 22:22:03,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:22:03,137 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:22:03,155 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,180 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,203 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:22:03,246 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,276 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,295 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 [2019-11-19 22:22:03,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,301 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,351 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,389 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:22:03,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,428 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,440 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,452 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,453 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,477 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,490 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,503 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,514 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,532 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,552 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:03,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,563 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:03,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,565 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:03,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:03,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:03,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:03,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:03,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:22:03,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,601 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:22:03,645 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2019-11-19 22:22:03,645 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:03,651 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:03,654 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:22:03,655 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:22:03,655 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_#in~startIndex, selectionSort_#in~size) = -1*selectionSort_#in~startIndex + 1*selectionSort_#in~size Supporting invariants [] [2019-11-19 22:22:03,662 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-11-19 22:22:03,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:03,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:22:03,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:22:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:03,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-19 22:22:03,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:22:03,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 22:22:03,746 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-19 22:22:03,746 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-19 22:22:03,822 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 39 states and 48 transitions. Complement of second has 11 states. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Exception during sending of exit command (exit): Broken pipe [2019-11-19 22:22:03,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 22:22:03,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 22:22:03,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2019-11-19 22:22:03,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 9 letters. Loop has 8 letters. [2019-11-19 22:22:03,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:22:03,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 17 letters. Loop has 8 letters. [2019-11-19 22:22:03,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:22:03,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 9 letters. Loop has 16 letters. [2019-11-19 22:22:03,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:22:03,829 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 48 transitions. [2019-11-19 22:22:03,834 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-19 22:22:03,835 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 35 states and 44 transitions. [2019-11-19 22:22:03,835 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-11-19 22:22:03,835 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-19 22:22:03,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 44 transitions. [2019-11-19 22:22:03,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:22:03,836 INFO L688 BuchiCegarLoop]: Abstraction has 35 states and 44 transitions. [2019-11-19 22:22:03,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 44 transitions. [2019-11-19 22:22:03,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 22. [2019-11-19 22:22:03,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-19 22:22:03,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2019-11-19 22:22:03,839 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2019-11-19 22:22:03,839 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2019-11-19 22:22:03,839 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-19 22:22:03,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2019-11-19 22:22:03,840 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:22:03,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:22:03,840 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:22:03,840 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:22:03,840 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:22:03,841 INFO L794 eck$LassoCheckResult]: Stem: 455#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 449#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 450#L31 assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 451#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 457#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 458#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 459#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 460#L36-3 assume !(main_~i~0 < main_~n~0); 440#L36-4 call selectionSort(main_~a~0.base, main_~a~0.offset, 0, main_~n~0);< 445#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 446#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 452#L14-3 [2019-11-19 22:22:03,841 INFO L796 eck$LassoCheckResult]: Loop: 452#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 439#L16 assume #t~mem2 < #t~mem3;havoc #t~mem3;havoc #t~mem2;~minIndex~0 := ~index~0; 441#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 452#L14-3 [2019-11-19 22:22:03,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:03,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1305603789, now seen corresponding path program 1 times [2019-11-19 22:22:03,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:22:03,842 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796226859] [2019-11-19 22:22:03,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:22:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:03,862 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:22:03,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:03,862 INFO L82 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 1 times [2019-11-19 22:22:03,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:22:03,863 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969983362] [2019-11-19 22:22:03,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:22:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:03,870 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:22:03,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:03,871 INFO L82 PathProgramCache]: Analyzing trace with hash -18607689, now seen corresponding path program 1 times [2019-11-19 22:22:03,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:22:03,871 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815841820] [2019-11-19 22:22:03,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:22:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:03,897 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:22:04,190 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-11-19 22:22:04,498 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-11-19 22:22:04,565 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:22:04,565 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:22:04,565 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:22:04,565 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:22:04,565 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:22:04,565 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:04,566 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:22:04,566 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:22:04,566 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration6_Lasso [2019-11-19 22:22:04,566 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:22:04,566 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:22:04,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,731 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-11-19 22:22:04,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:04,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:05,211 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:22:05,211 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:05,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:05,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:05,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:05,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:05,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:05,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:05,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:05,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:22:05,229 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:05,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:05,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:05,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:05,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:05,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:05,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:05,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:05,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:05,240 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:05,246 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:05,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:05,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:05,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:05,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:05,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:05,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:05,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:22:05,251 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 42 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:05,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:05,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:05,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:05,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:05,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:05,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:22:05,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:22:05,263 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 43 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:05,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:05,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:05,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:05,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:05,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:05,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:05,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:05,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:22:05,274 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:05,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:05,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:05,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:05,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:05,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:05,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:05,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:05,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:05,291 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:05,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:05,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:05,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:05,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:05,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:05,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:05,300 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:05,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:05,302 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:05,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:05,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:05,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:05,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:05,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:05,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:22:05,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:05,317 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:05,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:05,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:05,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:05,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:05,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:05,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:22:05,334 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:05,355 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:22:05,403 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-19 22:22:05,403 INFO L444 ModelExtractionUtils]: 14 out of 34 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:05,416 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:05,419 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:22:05,419 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:22:05,419 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_~index~0, selectionSort_~size) = -1*selectionSort_~index~0 + 1*selectionSort_~size Supporting invariants [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Exception during sending of exit command (exit): Broken pipe [2019-11-19 22:22:05,439 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-11-19 22:22:05,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:05,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:22:05,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:22:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:05,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:22:05,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:22:05,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:05,512 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 22:22:05,512 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9 Second operand 3 states. [2019-11-19 22:22:05,547 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9. Second operand 3 states. Result 40 states and 53 transitions. Complement of second has 8 states. [2019-11-19 22:22:05,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 22:22:05,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:22:05,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2019-11-19 22:22:05,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2019-11-19 22:22:05,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:22:05,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2019-11-19 22:22:05,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:22:05,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2019-11-19 22:22:05,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:22:05,550 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 53 transitions. [2019-11-19 22:22:05,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:22:05,555 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 29 states and 36 transitions. [2019-11-19 22:22:05,558 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-19 22:22:05,558 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-19 22:22:05,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 36 transitions. [2019-11-19 22:22:05,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:22:05,559 INFO L688 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2019-11-19 22:22:05,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 36 transitions. [2019-11-19 22:22:05,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 22. [2019-11-19 22:22:05,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-19 22:22:05,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2019-11-19 22:22:05,564 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2019-11-19 22:22:05,564 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2019-11-19 22:22:05,564 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-19 22:22:05,565 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2019-11-19 22:22:05,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:22:05,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:22:05,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:22:05,566 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:22:05,567 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:22:05,567 INFO L794 eck$LassoCheckResult]: Stem: 600#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 594#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 595#L31 assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 596#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 602#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 603#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 604#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 605#L36-3 assume !(main_~i~0 < main_~n~0); 589#L36-4 call selectionSort(main_~a~0.base, main_~a~0.offset, 0, main_~n~0);< 590#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 591#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 598#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 587#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem3;havoc #t~mem2; 588#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 601#L14-3 assume !(~index~0 < ~size); 599#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 585#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 592#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 593#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 597#L14-3 [2019-11-19 22:22:05,567 INFO L796 eck$LassoCheckResult]: Loop: 597#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 584#L16 assume #t~mem2 < #t~mem3;havoc #t~mem3;havoc #t~mem2;~minIndex~0 := ~index~0; 586#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 597#L14-3 [2019-11-19 22:22:05,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:05,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1445216632, now seen corresponding path program 1 times [2019-11-19 22:22:05,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:22:05,568 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756903020] [2019-11-19 22:22:05,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:22:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:05,652 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 22:22:05,653 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756903020] [2019-11-19 22:22:05,653 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632298989] [2019-11-19 22:22:05,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 22:22:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:05,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-19 22:22:05,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:22:05,810 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 22:22:05,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 22:22:05,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 14 [2019-11-19 22:22:05,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871907074] [2019-11-19 22:22:05,811 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 22:22:05,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:05,812 INFO L82 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 2 times [2019-11-19 22:22:05,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:22:05,812 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843654802] [2019-11-19 22:22:05,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:22:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:05,827 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:22:05,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:22:05,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-19 22:22:05,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2019-11-19 22:22:05,879 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand 15 states. [2019-11-19 22:22:06,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:22:06,151 INFO L93 Difference]: Finished difference Result 53 states and 64 transitions. [2019-11-19 22:22:06,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-19 22:22:06,152 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 64 transitions. [2019-11-19 22:22:06,154 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:22:06,155 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 36 states and 45 transitions. [2019-11-19 22:22:06,155 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-19 22:22:06,155 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-19 22:22:06,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 45 transitions. [2019-11-19 22:22:06,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:22:06,156 INFO L688 BuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2019-11-19 22:22:06,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 45 transitions. [2019-11-19 22:22:06,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 27. [2019-11-19 22:22:06,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-19 22:22:06,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2019-11-19 22:22:06,158 INFO L711 BuchiCegarLoop]: Abstraction has 27 states and 33 transitions. [2019-11-19 22:22:06,159 INFO L591 BuchiCegarLoop]: Abstraction has 27 states and 33 transitions. [2019-11-19 22:22:06,160 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-19 22:22:06,160 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 33 transitions. [2019-11-19 22:22:06,161 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:22:06,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:22:06,161 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:22:06,164 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:22:06,165 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:22:06,165 INFO L794 eck$LassoCheckResult]: Stem: 762#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 755#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 756#L31 assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 757#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 764#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 771#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 767#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 765#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 766#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 768#L36-3 assume !(main_~i~0 < main_~n~0); 749#L36-4 call selectionSort(main_~a~0.base, main_~a~0.offset, 0, main_~n~0);< 751#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 752#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 760#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 770#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem3;havoc #t~mem2; 763#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 759#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 748#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem3;havoc #t~mem2; 750#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 769#L14-3 assume !(~index~0 < ~size); 761#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 746#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 753#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 754#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 758#L14-3 [2019-11-19 22:22:06,165 INFO L796 eck$LassoCheckResult]: Loop: 758#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 745#L16 assume #t~mem2 < #t~mem3;havoc #t~mem3;havoc #t~mem2;~minIndex~0 := ~index~0; 747#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 758#L14-3 [2019-11-19 22:22:06,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:06,165 INFO L82 PathProgramCache]: Analyzing trace with hash 349648920, now seen corresponding path program 2 times [2019-11-19 22:22:06,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:22:06,166 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894818091] [2019-11-19 22:22:06,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:22:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:06,246 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:22:06,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:06,247 INFO L82 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 3 times [2019-11-19 22:22:06,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:22:06,247 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703911033] [2019-11-19 22:22:06,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:22:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:06,259 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:22:06,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:06,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1095320754, now seen corresponding path program 1 times [2019-11-19 22:22:06,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:22:06,260 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782466672] [2019-11-19 22:22:06,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:22:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:22:06,327 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:22:06,638 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2019-11-19 22:22:06,969 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2019-11-19 22:22:07,328 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 91 [2019-11-19 22:22:07,842 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 107 [2019-11-19 22:22:07,946 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:22:07,946 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:22:07,946 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:22:07,947 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:22:07,947 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:22:07,947 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:07,947 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:22:07,947 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:22:07,947 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration8_Lasso [2019-11-19 22:22:07,947 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:22:07,948 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:22:07,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:07,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:07,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:07,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:07,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:07,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:07,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:08,192 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2019-11-19 22:22:08,307 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2019-11-19 22:22:08,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:08,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:08,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:08,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:08,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:08,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:08,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:08,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:08,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:08,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:08,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:08,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:08,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:08,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:08,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:08,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:08,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:22:08,794 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:22:08,794 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:08,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:08,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:08,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:08,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:08,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:08,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:22:08,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:22:08,807 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 51 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:08,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:08,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:08,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:08,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:08,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:08,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:08,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:08,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:22:08,816 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 52 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:08,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:08,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:08,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:08,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:08,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:08,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:08,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:08,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:22:08,825 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:08,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:08,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:08,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:08,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:08,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:08,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:08,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:08,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:22:08,838 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:22:08,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:08,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:08,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:22:08,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:08,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:08,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:08,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:22:08,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:08,853 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 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:08,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:22:08,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:22:08,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:22:08,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:22:08,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:22:08,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:22:08,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:22:08,885 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:22:08,922 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2019-11-19 22:22:08,922 INFO L444 ModelExtractionUtils]: 11 out of 34 variables were initially zero. Simplification set additionally 20 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:22:08,926 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:22:08,928 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:22:08,928 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:22:08,928 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_~index~0, selectionSort_~size) = -1*selectionSort_~index~0 + 1*selectionSort_~size Supporting invariants [] [2019-11-19 22:22:08,986 INFO L297 tatePredicateManager]: 19 out of 19 supporting invariants were superfluous and have been removed [2019-11-19 22:22:08,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:09,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 22:22:09,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:22:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:09,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:22:09,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:22:09,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:09,042 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 22:22:09,042 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9 Second operand 3 states. [2019-11-19 22:22:09,057 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9. Second operand 3 states. Result 43 states and 55 transitions. Complement of second has 8 states. [2019-11-19 22:22:09,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 22:22:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:22:09,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2019-11-19 22:22:09,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 24 letters. Loop has 3 letters. [2019-11-19 22:22:09,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:22:09,059 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-19 22:22:09,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:09,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 22:22:09,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:22:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:09,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:22:09,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:22:09,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:09,124 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 22:22:09,124 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9 Second operand 3 states. [2019-11-19 22:22:09,145 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9. Second operand 3 states. Result 43 states and 55 transitions. Complement of second has 8 states. [2019-11-19 22:22:09,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 22:22:09,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:22:09,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2019-11-19 22:22:09,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 24 letters. Loop has 3 letters. [2019-11-19 22:22:09,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:22:09,146 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-19 22:22:09,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:22:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:09,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 22:22:09,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:22:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:22:09,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:22:09,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:22:09,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:22:09,208 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 22:22:09,208 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9 Second operand 3 states. [2019-11-19 22:22:09,223 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9. Second operand 3 states. Result 36 states and 47 transitions. Complement of second has 7 states. [2019-11-19 22:22:09,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 22:22:09,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:22:09,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2019-11-19 22:22:09,225 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 24 letters. Loop has 3 letters. [2019-11-19 22:22:09,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:22:09,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 27 letters. Loop has 3 letters. [2019-11-19 22:22:09,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:22:09,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-19 22:22:09,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:22:09,227 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 47 transitions. [2019-11-19 22:22:09,228 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:22:09,228 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2019-11-19 22:22:09,228 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:22:09,229 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:22:09,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:22:09,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:22:09,229 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:22:09,229 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:22:09,229 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:22:09,229 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-11-19 22:22:09,229 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:22:09,229 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:22:09,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:22:09,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:22:09 BoogieIcfgContainer [2019-11-19 22:22:09,236 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:22:09,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:22:09,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:22:09,237 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:22:09,238 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:21:58" (3/4) ... [2019-11-19 22:22:09,241 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:22:09,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:22:09,243 INFO L168 Benchmark]: Toolchain (without parser) took 11548.66 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.7 MB). Free memory was 955.0 MB in the beginning and 937.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 346.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:22:09,244 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:22:09,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.76 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:22:09,245 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -195.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:22:09,246 INFO L168 Benchmark]: Boogie Preprocessor took 26.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:22:09,246 INFO L168 Benchmark]: RCFGBuilder took 383.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:22:09,247 INFO L168 Benchmark]: BuchiAutomizer took 10779.44 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.1 MB). Free memory was 1.1 GB in the beginning and 937.6 MB in the end (delta: 171.0 MB). Peak memory consumption was 357.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:22:09,247 INFO L168 Benchmark]: Witness Printer took 4.84 ms. Allocated memory is still 1.4 GB. Free memory is still 937.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:22:09,250 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 260.76 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 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 88.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -195.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.76 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 383.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 10779.44 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.1 MB). Free memory was 1.1 GB in the beginning and 937.6 MB in the end (delta: 171.0 MB). Peak memory consumption was 357.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.84 ms. Allocated memory is still 1.4 GB. Free memory is still 937.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 8 terminating modules (4 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -2 * i + unknown-#length-unknown[a] and consists of 5 locations. One deterministic module has affine ranking function -1 * \old(startIndex) + \old(size) and consists of 4 locations. One deterministic module has affine ranking function -1 * index + size and consists of 4 locations. One nondeterministic module has affine ranking function -1 * index + size and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.7s and 9 iterations. TraceHistogramMax:3. Analysis of lassos took 9.3s. Construction of modules took 0.2s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 31 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 27 states and ocurred in iteration 7. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 118 SDtfs, 135 SDslu, 119 SDs, 0 SdLazy, 244 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU2 SILI1 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital189 mio100 ax100 hnf99 lsp96 ukn71 mio100 lsp63 div100 bol100 ite100 ukn100 eq163 hnf89 smp94 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 3 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...