./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 f6fb2bb1 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-f6fb2bb [2019-11-19 19:56:57,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 19:56:57,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 19:56:57,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 19:56:57,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 19:56:57,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 19:56:57,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 19:56:57,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 19:56:57,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 19:56:57,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 19:56:57,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 19:56:57,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 19:56:57,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 19:56:57,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 19:56:57,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 19:56:57,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 19:56:57,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 19:56:57,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 19:56:57,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 19:56:57,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 19:56:57,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 19:56:57,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 19:56:57,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 19:56:57,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 19:56:57,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 19:56:57,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 19:56:57,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 19:56:57,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 19:56:57,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 19:56:57,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 19:56:57,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 19:56:57,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 19:56:57,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 19:56:57,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 19:56:57,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 19:56:57,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 19:56:57,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 19:56:57,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 19:56:57,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 19:56:57,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 19:56:57,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 19:56:57,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 19:56:57,314 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 19:56:57,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 19:56:57,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 19:56:57,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 19:56:57,318 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 19:56:57,318 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 19:56:57,318 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 19:56:57,318 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 19:56:57,319 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 19:56:57,319 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 19:56:57,319 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 19:56:57,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 19:56:57,319 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 19:56:57,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 19:56:57,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 19:56:57,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 19:56:57,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 19:56:57,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 19:56:57,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 19:56:57,321 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 19:56:57,321 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 19:56:57,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 19:56:57,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 19:56:57,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 19:56:57,322 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 19:56:57,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 19:56:57,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 19:56:57,322 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 19:56:57,323 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 19:56:57,324 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 19:56:57,623 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 19:56:57,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 19:56:57,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 19:56:57,641 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 19:56:57,642 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 19:56:57,642 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2019-11-19 19:56:57,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed822e86/97417be758ed487da8d2bcbf2e2739c7/FLAGf83db7bcc [2019-11-19 19:56:58,173 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 19:56:58,175 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2019-11-19 19:56:58,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed822e86/97417be758ed487da8d2bcbf2e2739c7/FLAGf83db7bcc [2019-11-19 19:56:58,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed822e86/97417be758ed487da8d2bcbf2e2739c7 [2019-11-19 19:56:58,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 19:56:58,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 19:56:58,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 19:56:58,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 19:56:58,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 19:56:58,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:58" (1/1) ... [2019-11-19 19:56:58,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52673706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:58, skipping insertion in model container [2019-11-19 19:56:58,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:58" (1/1) ... [2019-11-19 19:56:58,595 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 19:56:58,615 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 19:56:58,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:56:58,796 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 19:56:58,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:56:58,836 INFO L192 MainTranslator]: Completed translation [2019-11-19 19:56:58,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:58 WrapperNode [2019-11-19 19:56:58,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 19:56:58,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 19:56:58,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 19:56:58,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 19:56:58,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:58" (1/1) ... [2019-11-19 19:56:58,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:58" (1/1) ... [2019-11-19 19:56:58,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 19:56:58,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 19:56:58,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 19:56:58,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 19:56:58,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:58" (1/1) ... [2019-11-19 19:56:58,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:58" (1/1) ... [2019-11-19 19:56:58,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:58" (1/1) ... [2019-11-19 19:56:58,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:58" (1/1) ... [2019-11-19 19:56:58,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:58" (1/1) ... [2019-11-19 19:56:58,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:58" (1/1) ... [2019-11-19 19:56:58,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:58" (1/1) ... [2019-11-19 19:56:58,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 19:56:58,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 19:56:58,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 19:56:58,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 19:56:58,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:58" (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 19:56:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 19:56:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-19 19:56:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 19:56:59,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 19:56:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 19:56:59,018 INFO L130 BoogieDeclarations]: Found specification of procedure selectionSort [2019-11-19 19:56:59,018 INFO L138 BoogieDeclarations]: Found implementation of procedure selectionSort [2019-11-19 19:56:59,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 19:56:59,308 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 19:56:59,316 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-19 19:56:59,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:59 BoogieIcfgContainer [2019-11-19 19:56:59,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 19:56:59,319 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 19:56:59,319 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 19:56:59,323 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 19:56:59,324 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 19:56:59,324 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:56:58" (1/3) ... [2019-11-19 19:56:59,326 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43c045a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:56:59, skipping insertion in model container [2019-11-19 19:56:59,326 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 19:56:59,326 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:58" (2/3) ... [2019-11-19 19:56:59,326 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43c045a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:56:59, skipping insertion in model container [2019-11-19 19:56:59,327 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 19:56:59,327 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:59" (3/3) ... [2019-11-19 19:56:59,330 INFO L371 chiAutomizerObserver]: Analyzing ICFG selectionSort_recursive.i [2019-11-19 19:56:59,399 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 19:56:59,400 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 19:56:59,400 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 19:56:59,400 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 19:56:59,400 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 19:56:59,400 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 19:56:59,400 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 19:56:59,400 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 19:56:59,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-11-19 19:56:59,447 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-19 19:56:59,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:56:59,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:56:59,453 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-19 19:56:59,453 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 19:56:59,453 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 19:56:59,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-11-19 19:56:59,455 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-19 19:56:59,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:56:59,456 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:56:59,456 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-19 19:56:59,456 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 19:56:59,462 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 8#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 9#L31true assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 16#L36-3true [2019-11-19 19:56:59,463 INFO L796 eck$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 19:56:59,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:56:59,468 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-19 19:56:59,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:56:59,475 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726606989] [2019-11-19 19:56:59,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:56:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:59,616 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:56:59,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:56:59,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2019-11-19 19:56:59,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:56:59,621 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623669830] [2019-11-19 19:56:59,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:56:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:59,656 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:56:59,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:56:59,658 INFO L82 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2019-11-19 19:56:59,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:56:59,660 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024053511] [2019-11-19 19:56:59,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:56:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:59,699 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:56:59,874 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 19:56:59,875 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 19:56:59,875 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 19:56:59,876 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 19:56:59,876 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 19:56:59,876 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:59,876 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 19:56:59,876 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 19:56:59,877 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration1_Lasso [2019-11-19 19:56:59,877 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 19:56:59,877 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 19:56:59,903 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 19:56:59,911 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 19:56:59,915 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 19:56:59,921 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 19:57:00,053 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 19:57:00,057 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 19:57:00,315 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 19:57:00,319 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 19:57:00,325 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 19:57:00,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:00,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:00,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:00,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:00,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:00,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:00,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:00,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:00,362 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 19:57:00,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:00,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:00,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:00,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:00,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:00,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:00,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:00,374 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 19:57:00,387 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 19:57:00,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:00,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:00,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:00,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:00,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:00,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:57:00,414 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:00,439 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 19:57:00,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:00,443 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-19 19:57:00,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:00,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:00,458 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-19 19:57:00,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:57:00,479 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:00,492 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 19:57:00,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:00,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:00,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:00,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:00,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:00,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:00,528 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:00,541 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 19:57:00,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:00,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:00,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:00,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:00,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:00,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:00,591 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 19:57:00,631 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-19 19:57:00,631 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) [2019-11-19 19:57:00,639 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:00,644 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-19 19:57:00,644 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 19:57:00,645 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 19:57:00,665 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2019-11-19 19:57:00,680 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-19 19:57:00,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:00,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 19:57:00,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:00,757 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 19:57:00,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:00,782 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 19:57:00,800 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 19:57:00,801 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 3 states. [2019-11-19 19:57:00,914 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 19:57:00,915 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 19:57:00,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 19:57:00,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2019-11-19 19:57:00,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-19 19:57:00,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:00,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-19 19:57:00,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:00,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 4 letters. [2019-11-19 19:57:00,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:00,926 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 53 transitions. [2019-11-19 19:57:00,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-19 19:57:00,948 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 14 states and 19 transitions. [2019-11-19 19:57:00,950 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-19 19:57:00,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-19 19:57:00,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2019-11-19 19:57:00,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 19:57:00,952 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2019-11-19 19:57:00,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2019-11-19 19:57:00,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-19 19:57:00,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-19 19:57:00,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2019-11-19 19:57:00,991 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2019-11-19 19:57:00,991 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2019-11-19 19:57:00,991 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 19:57:00,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2019-11-19 19:57:00,993 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-19 19:57:00,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:57:00,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:57:00,994 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 19:57:00,994 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 19:57:00,995 INFO L794 eck$LassoCheckResult]: Stem: 134#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 129#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 130#L31 assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 131#L36-3 assume !(main_~i~0 < main_~n~0); 124#L36-4 call selectionSort(main_~a~0.base, main_~a~0.offset, 0, main_~n~0);< 127#selectionSortENTRY [2019-11-19 19:57:00,995 INFO L796 eck$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 19:57:00,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:00,996 INFO L82 PathProgramCache]: Analyzing trace with hash 28695915, now seen corresponding path program 1 times [2019-11-19 19:57:00,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:00,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552971418] [2019-11-19 19:57:00,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:01,096 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 19:57:01,096 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552971418] [2019-11-19 19:57:01,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:57:01,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 19:57:01,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979086169] [2019-11-19 19:57:01,104 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 19:57:01,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:01,105 INFO L82 PathProgramCache]: Analyzing trace with hash 53570596, now seen corresponding path program 1 times [2019-11-19 19:57:01,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:01,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685878051] [2019-11-19 19:57:01,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:01,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:57:01,152 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685878051] [2019-11-19 19:57:01,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:57:01,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 19:57:01,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274764040] [2019-11-19 19:57:01,154 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 19:57:01,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:57:01,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 19:57:01,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 19:57:01,160 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-11-19 19:57:01,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:57:01,183 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2019-11-19 19:57:01,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 19:57:01,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-11-19 19:57:01,185 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 19:57:01,187 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2019-11-19 19:57:01,187 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-19 19:57:01,188 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-19 19:57:01,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2019-11-19 19:57:01,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 19:57:01,189 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-19 19:57:01,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2019-11-19 19:57:01,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-19 19:57:01,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-19 19:57:01,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2019-11-19 19:57:01,194 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-19 19:57:01,195 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-19 19:57:01,195 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 19:57:01,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2019-11-19 19:57:01,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 19:57:01,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:57:01,197 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:57:01,198 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 19:57:01,198 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:57:01,198 INFO L794 eck$LassoCheckResult]: Stem: 170#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 165#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 166#L31 assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 167#L36-3 assume !(main_~i~0 < main_~n~0); 160#L36-4 call selectionSort(main_~a~0.base, main_~a~0.offset, 0, main_~n~0);< 163#selectionSortENTRY [2019-11-19 19:57:01,199 INFO L796 eck$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~mem2;havoc #t~mem3;~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 19:57:01,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:01,199 INFO L82 PathProgramCache]: Analyzing trace with hash 28695915, now seen corresponding path program 2 times [2019-11-19 19:57:01,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:01,200 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760622313] [2019-11-19 19:57:01,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:01,252 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 19:57:01,254 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760622313] [2019-11-19 19:57:01,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:57:01,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 19:57:01,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605094935] [2019-11-19 19:57:01,255 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 19:57:01,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:01,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1756570492, now seen corresponding path program 1 times [2019-11-19 19:57:01,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:01,257 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986357422] [2019-11-19 19:57:01,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:01,319 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:01,542 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-11-19 19:57:01,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:57:01,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 19:57:01,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 19:57:01,766 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-11-19 19:57:01,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:57:01,779 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2019-11-19 19:57:01,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 19:57:01,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2019-11-19 19:57:01,780 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 19:57:01,783 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 19 transitions. [2019-11-19 19:57:01,784 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-19 19:57:01,784 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-19 19:57:01,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2019-11-19 19:57:01,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 19:57:01,785 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-19 19:57:01,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2019-11-19 19:57:01,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2019-11-19 19:57:01,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-19 19:57:01,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2019-11-19 19:57:01,789 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-11-19 19:57:01,789 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-11-19 19:57:01,790 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-19 19:57:01,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2019-11-19 19:57:01,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 19:57:01,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:57:01,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:57:01,792 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:57:01,792 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:57:01,792 INFO L794 eck$LassoCheckResult]: Stem: 207#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 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 19:57:01,793 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~mem2;havoc #t~mem3;~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 19:57:01,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:01,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1806996941, now seen corresponding path program 1 times [2019-11-19 19:57:01,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:01,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594172737] [2019-11-19 19:57:01,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:01,838 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:01,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:01,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1756570492, now seen corresponding path program 2 times [2019-11-19 19:57:01,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:01,839 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314358345] [2019-11-19 19:57:01,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:01,864 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:01,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:01,865 INFO L82 PathProgramCache]: Analyzing trace with hash 170190416, now seen corresponding path program 1 times [2019-11-19 19:57:01,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:01,865 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963136192] [2019-11-19 19:57:01,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:01,969 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 19:57:01,970 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963136192] [2019-11-19 19:57:01,970 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560910178] [2019-11-19 19:57:01,970 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 19:57:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:02,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 19:57:02,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:02,094 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 19:57:02,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 19:57:02,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2019-11-19 19:57:02,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390609321] [2019-11-19 19:57:02,334 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-11-19 19:57:02,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:57:02,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-19 19:57:02,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-19 19:57:02,505 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand 10 states. [2019-11-19 19:57:02,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:57:02,593 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2019-11-19 19:57:02,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 19:57:02,594 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2019-11-19 19:57:02,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 19:57:02,596 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 21 transitions. [2019-11-19 19:57:02,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-19 19:57:02,597 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-19 19:57:02,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2019-11-19 19:57:02,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 19:57:02,598 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-19 19:57:02,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2019-11-19 19:57:02,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2019-11-19 19:57:02,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-19 19:57:02,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-11-19 19:57:02,605 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-19 19:57:02,605 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-19 19:57:02,605 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-19 19:57:02,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2019-11-19 19:57:02,607 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-19 19:57:02,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:57:02,608 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:57:02,609 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2019-11-19 19:57:02,613 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:57:02,614 INFO L794 eck$LassoCheckResult]: Stem: 304#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 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 19:57:02,614 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~mem2;havoc #t~mem3;~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 19:57:02,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:02,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1357299119, now seen corresponding path program 2 times [2019-11-19 19:57:02,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:02,616 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21935599] [2019-11-19 19:57:02,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:02,647 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:02,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:02,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1756570492, now seen corresponding path program 3 times [2019-11-19 19:57:02,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:02,650 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391074754] [2019-11-19 19:57:02,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:02,697 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:02,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:02,697 INFO L82 PathProgramCache]: Analyzing trace with hash -290845646, now seen corresponding path program 2 times [2019-11-19 19:57:02,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:02,698 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055014887] [2019-11-19 19:57:02,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:02,740 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:02,919 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-11-19 19:57:03,270 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2019-11-19 19:57:03,461 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 19:57:03,461 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 19:57:03,461 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 19:57:03,461 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 19:57:03,461 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 19:57:03,462 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:03,462 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 19:57:03,462 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 19:57:03,462 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration5_Lasso [2019-11-19 19:57:03,462 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 19:57:03,462 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 19:57:03,467 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 19:57:03,471 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 19:57:03,474 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 19:57:03,476 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 19:57:03,478 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 19:57:03,480 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 19:57:03,482 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 19:57:03,484 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 19:57:03,487 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 19:57:03,489 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 19:57:03,491 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 19:57:03,493 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 19:57:03,494 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 19:57:03,496 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 19:57:03,497 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 19:57:03,499 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 19:57:03,501 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 19:57:03,503 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 19:57:03,504 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 19:57:03,506 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 19:57:03,507 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 19:57:03,509 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 19:57:03,511 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 19:57:03,513 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 19:57:03,515 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 19:57:03,517 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 19:57:03,519 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 19:57:03,521 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 19:57:03,522 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 19:57:03,524 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 19:57:03,877 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 19:57:03,877 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 19:57:03,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 19:57:03,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,890 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 19:57:03,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:03,905 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 19:57:03,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:03,910 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 19:57:03,913 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 19:57:03,922 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 19:57:03,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:03,927 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 19:57:03,938 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 19:57:03,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:03,943 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:03,953 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 19:57:03,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:03,962 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 19:57:03,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 19:57:03,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:03,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:03,977 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 19:57:03,989 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 19:57:03,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,993 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 19:57:03,994 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 19:57:04,009 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 19:57:04,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:04,014 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:04,023 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 19:57:04,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:04,032 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:04,039 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 19:57:04,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:04,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:04,049 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 19:57:04,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:04,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:04,058 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 19:57:04,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:04,063 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 19:57:04,077 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 19:57:04,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,079 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 19:57:04,082 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 19:57:04,092 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 19:57:04,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,095 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 19:57:04,097 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 19:57:04,104 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 19:57:04,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,107 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 19:57:04,109 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 19:57:04,117 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 19:57:04,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:04,120 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 19:57:04,125 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 19:57:04,133 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 19:57:04,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,135 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 19:57:04,137 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:04,145 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 19:57:04,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,148 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 19:57:04,150 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 19:57:04,157 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 19:57:04,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,160 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 19:57:04,162 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 19:57:04,169 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 19:57:04,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,173 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 19:57:04,175 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 19:57:04,183 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 19:57:04,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,187 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 19:57:04,189 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 19:57:04,197 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 19:57:04,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,201 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 19:57:04,203 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:04,210 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 19:57:04,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,214 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 19:57:04,221 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 19:57:04,234 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 19:57:04,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,238 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 19:57:04,240 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:04,247 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 19:57:04,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,251 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 19:57:04,258 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 19:57:04,267 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 19:57:04,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:04,278 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 Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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 19:57:04,286 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 19:57:04,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:04,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:04,291 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 19:57:04,293 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 19:57:04,305 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:04,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,308 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-19 19:57:04,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,312 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-19 19:57:04,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:57:04,319 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:04,327 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 19:57:04,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:04,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:04,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:04,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:04,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:04,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:04,350 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 19:57:04,382 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-19 19:57:04,382 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 19:57:04,387 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 19:57:04,392 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 19:57:04,393 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 19:57:04,393 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 19:57:04,401 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-11-19 19:57:04,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:04,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 19:57:04,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:04,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-19 19:57:04,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:04,486 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 19:57:04,487 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 19:57:04,487 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 4 states. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Exception during sending of exit command (exit): Broken pipe [2019-11-19 19:57:04,567 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. [2019-11-19 19:57:04,569 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 19:57:04,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 19:57:04,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2019-11-19 19:57:04,570 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 9 letters. Loop has 8 letters. [2019-11-19 19:57:04,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:04,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 17 letters. Loop has 8 letters. [2019-11-19 19:57:04,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:04,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 9 letters. Loop has 16 letters. [2019-11-19 19:57:04,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:04,573 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 48 transitions. [2019-11-19 19:57:04,575 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-19 19:57:04,576 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 35 states and 44 transitions. [2019-11-19 19:57:04,576 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-11-19 19:57:04,577 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-19 19:57:04,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 44 transitions. [2019-11-19 19:57:04,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 19:57:04,577 INFO L688 BuchiCegarLoop]: Abstraction has 35 states and 44 transitions. [2019-11-19 19:57:04,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 44 transitions. [2019-11-19 19:57:04,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 22. [2019-11-19 19:57:04,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-19 19:57:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2019-11-19 19:57:04,581 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2019-11-19 19:57:04,581 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2019-11-19 19:57:04,581 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-19 19:57:04,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2019-11-19 19:57:04,582 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 19:57:04,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:57:04,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:57:04,583 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:57:04,583 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 19:57:04,583 INFO L794 eck$LassoCheckResult]: Stem: 455#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 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 19:57:04,583 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~mem2;havoc #t~mem3;~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 19:57:04,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:04,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1305603789, now seen corresponding path program 1 times [2019-11-19 19:57:04,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:04,584 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037443098] [2019-11-19 19:57:04,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:04,602 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:04,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:04,603 INFO L82 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 1 times [2019-11-19 19:57:04,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:04,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692466043] [2019-11-19 19:57:04,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:04,612 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:04,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:04,613 INFO L82 PathProgramCache]: Analyzing trace with hash -18607689, now seen corresponding path program 1 times [2019-11-19 19:57:04,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:04,613 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714106351] [2019-11-19 19:57:04,613 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:04,635 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:04,880 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-11-19 19:57:05,175 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-11-19 19:57:05,236 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 19:57:05,236 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 19:57:05,236 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 19:57:05,237 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 19:57:05,237 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 19:57:05,237 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:05,237 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 19:57:05,237 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 19:57:05,237 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration6_Lasso [2019-11-19 19:57:05,238 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 19:57:05,238 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 19:57:05,241 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 19:57:05,244 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 19:57:05,245 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 19:57:05,247 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 19:57:05,250 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 19:57:05,252 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 19:57:05,254 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 19:57:05,255 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 19:57:05,257 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 19:57:05,479 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 19:57:05,481 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 19:57:05,485 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 19:57:05,487 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 19:57:05,488 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 19:57:05,490 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 19:57:05,492 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 19:57:05,495 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 19:57:05,497 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 19:57:05,498 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 19:57:05,499 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 19:57:05,501 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 19:57:05,821 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 19:57:05,822 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:05,828 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 19:57:05,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:05,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:05,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:05,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:05,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:05,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:05,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:05,833 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) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:05,842 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 19:57:05,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:05,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:05,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:05,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:05,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:05,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:05,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:05,845 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 19:57:05,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 19:57:05,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:05,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:05,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:05,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:05,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:05,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:05,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:05,858 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 19:57:05,864 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 19:57:05,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:05,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:05,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:05,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:05,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:05,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:57:05,873 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) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:05,879 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 19:57:05,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:05,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:05,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:05,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:05,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:05,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:05,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:05,882 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) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:05,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 19:57:05,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:05,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:05,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:05,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:05,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:05,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:05,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:05,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:05,901 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 19:57:05,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:05,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:05,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:05,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:05,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:05,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:05,904 INFO L402 nArgumentSynthesizer]: A total of 0 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 19:57:05,913 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 19:57:05,919 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 19:57:05,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:05,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:05,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:05,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:05,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:05,922 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 19:57:05,926 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:05,931 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 19:57:05,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:05,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:05,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:05,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:05,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:05,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:05,959 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 19:57:06,009 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2019-11-19 19:57:06,009 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 49 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:06,014 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 19:57:06,016 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 19:57:06,017 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 19:57:06,017 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 19:57:06,025 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-11-19 19:57:06,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:06,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 19:57:06,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:06,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 19:57:06,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:06,076 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 19:57:06,076 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 19:57:06,076 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9 Second operand 3 states. [2019-11-19 19:57:06,100 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 19:57:06,101 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 19:57:06,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 19:57:06,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2019-11-19 19:57:06,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2019-11-19 19:57:06,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:06,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2019-11-19 19:57:06,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:06,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2019-11-19 19:57:06,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:06,103 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 53 transitions. [2019-11-19 19:57:06,105 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 19:57:06,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 29 states and 36 transitions. [2019-11-19 19:57:06,106 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-19 19:57:06,106 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-19 19:57:06,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 36 transitions. [2019-11-19 19:57:06,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 19:57:06,107 INFO L688 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2019-11-19 19:57:06,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 36 transitions. [2019-11-19 19:57:06,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 22. [2019-11-19 19:57:06,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-19 19:57:06,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2019-11-19 19:57:06,110 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2019-11-19 19:57:06,110 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2019-11-19 19:57:06,110 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-19 19:57:06,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2019-11-19 19:57:06,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 19:57:06,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:57:06,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:57:06,112 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:57:06,112 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 19:57:06,112 INFO L794 eck$LassoCheckResult]: Stem: 600#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 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~mem2;havoc #t~mem3; 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 19:57:06,113 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~mem2;havoc #t~mem3;~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 19:57:06,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:06,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1445216632, now seen corresponding path program 1 times [2019-11-19 19:57:06,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:06,114 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953706540] [2019-11-19 19:57:06,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:06,172 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 19:57:06,173 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953706540] [2019-11-19 19:57:06,173 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312237409] [2019-11-19 19:57:06,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 19:57:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:06,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-19 19:57:06,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:06,328 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 19:57:06,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 19:57:06,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 14 [2019-11-19 19:57:06,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169752209] [2019-11-19 19:57:06,329 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 19:57:06,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:06,330 INFO L82 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 2 times [2019-11-19 19:57:06,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:06,330 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872468549] [2019-11-19 19:57:06,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:06,339 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:06,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:57:06,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-19 19:57:06,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2019-11-19 19:57:06,389 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand 15 states. [2019-11-19 19:57:06,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:57:06,652 INFO L93 Difference]: Finished difference Result 53 states and 64 transitions. [2019-11-19 19:57:06,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-19 19:57:06,653 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 64 transitions. [2019-11-19 19:57:06,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 19:57:06,654 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 36 states and 45 transitions. [2019-11-19 19:57:06,655 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-19 19:57:06,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-19 19:57:06,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 45 transitions. [2019-11-19 19:57:06,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 19:57:06,655 INFO L688 BuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2019-11-19 19:57:06,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 45 transitions. [2019-11-19 19:57:06,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 27. [2019-11-19 19:57:06,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-19 19:57:06,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2019-11-19 19:57:06,658 INFO L711 BuchiCegarLoop]: Abstraction has 27 states and 33 transitions. [2019-11-19 19:57:06,658 INFO L591 BuchiCegarLoop]: Abstraction has 27 states and 33 transitions. [2019-11-19 19:57:06,658 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-19 19:57:06,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 33 transitions. [2019-11-19 19:57:06,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 19:57:06,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:57:06,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:57:06,660 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:57:06,660 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 19:57:06,660 INFO L794 eck$LassoCheckResult]: Stem: 762#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 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~mem2;havoc #t~mem3; 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~mem2;havoc #t~mem3; 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 19:57:06,660 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~mem2;havoc #t~mem3;~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 19:57:06,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:06,661 INFO L82 PathProgramCache]: Analyzing trace with hash 349648920, now seen corresponding path program 2 times [2019-11-19 19:57:06,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:06,661 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043279662] [2019-11-19 19:57:06,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:06,698 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:06,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:06,699 INFO L82 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 3 times [2019-11-19 19:57:06,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:06,699 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355858083] [2019-11-19 19:57:06,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:06,706 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:06,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:06,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1095320754, now seen corresponding path program 1 times [2019-11-19 19:57:06,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:06,707 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138347499] [2019-11-19 19:57:06,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:06,759 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:07,078 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2019-11-19 19:57:07,430 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2019-11-19 19:57:07,730 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 90 [2019-11-19 19:57:08,256 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 106 [2019-11-19 19:57:08,352 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 19:57:08,352 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 19:57:08,352 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 19:57:08,352 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 19:57:08,352 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 19:57:08,353 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:08,353 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 19:57:08,353 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 19:57:08,353 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration8_Lasso [2019-11-19 19:57:08,353 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 19:57:08,353 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 19:57:08,357 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 19:57:08,360 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 19:57:08,361 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 19:57:08,362 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 19:57:08,365 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 19:57:08,372 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 19:57:08,374 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 19:57:08,593 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-11-19 19:57:08,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:08,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:08,706 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 19:57:08,709 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 19:57:08,710 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 19:57:08,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:08,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:08,715 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 19:57:08,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:08,719 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 19:57:08,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:08,723 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 19:57:08,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:08,726 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 19:57:08,730 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 19:57:08,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:08,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:09,149 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 19:57:09,149 INFO L489 LassoAnalysis]: Using template 'affine'. 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 19:57:09,162 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 19:57:09,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:09,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:09,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:09,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:09,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:09,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:57:09,167 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 19:57:09,174 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 19:57:09,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:09,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:09,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:09,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:09,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:09,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:09,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:09,177 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 19:57:09,182 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 19:57:09,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:09,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:09,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:09,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:09,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:09,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:09,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:09,186 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) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:09,190 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 19:57:09,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:09,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:09,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:09,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:09,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:09,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:09,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:09,196 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) [2019-11-19 19:57:09,201 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:09,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:09,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:09,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:09,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:09,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:09,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:09,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:09,205 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 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 19:57:09,210 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 19:57:09,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:09,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:09,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:09,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:09,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:09,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:57:09,246 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 19:57:09,271 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-19 19:57:09,271 INFO L444 ModelExtractionUtils]: 11 out of 34 variables were initially zero. Simplification set additionally 19 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:09,279 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:09,282 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 19:57:09,282 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 19:57:09,282 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_~index~0, selectionSort_~array.offset, v_rep(select #length selectionSort_#in~array.base)_3) = -4*selectionSort_~index~0 - 1*selectionSort_~array.offset + 1*v_rep(select #length selectionSort_#in~array.base)_3 Supporting invariants [] [2019-11-19 19:57:09,346 INFO L297 tatePredicateManager]: 18 out of 19 supporting invariants were superfluous and have been removed [2019-11-19 19:57:09,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-19 19:57:09,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:09,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 19:57:09,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:09,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 19:57:09,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:09,432 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 19:57:09,432 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-19 19:57:09,432 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9 Second operand 4 states. [2019-11-19 19:57:09,486 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 43 states and 55 transitions. Complement of second has 9 states. [2019-11-19 19:57:09,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 19:57:09,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 19:57:09,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2019-11-19 19:57:09,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 24 letters. Loop has 3 letters. [2019-11-19 19:57:09,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:09,487 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-19 19:57:09,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:09,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 19:57:09,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:09,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 19:57:09,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:09,568 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 19:57:09,568 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-19 19:57:09,568 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9 Second operand 4 states. [2019-11-19 19:57:09,612 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 43 states and 55 transitions. Complement of second has 9 states. [2019-11-19 19:57:09,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 19:57:09,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 19:57:09,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2019-11-19 19:57:09,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 24 letters. Loop has 3 letters. [2019-11-19 19:57:09,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:09,616 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-19 19:57:09,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:09,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 19:57:09,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:09,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 19:57:09,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:09,688 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 19:57:09,688 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-19 19:57:09,689 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9 Second operand 4 states. [2019-11-19 19:57:09,749 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 52 states and 69 transitions. Complement of second has 15 states. [2019-11-19 19:57:09,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 19:57:09,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 19:57:09,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2019-11-19 19:57:09,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 24 letters. Loop has 3 letters. [2019-11-19 19:57:09,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:09,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 27 letters. Loop has 3 letters. [2019-11-19 19:57:09,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:09,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-19 19:57:09,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:09,751 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 69 transitions. [2019-11-19 19:57:09,752 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 19:57:09,753 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 0 states and 0 transitions. [2019-11-19 19:57:09,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 19:57:09,753 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 19:57:09,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 19:57:09,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 19:57:09,753 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:57:09,753 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:57:09,753 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:57:09,753 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-11-19 19:57:09,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 19:57:09,754 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 19:57:09,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 19:57:09,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:57:09 BoogieIcfgContainer [2019-11-19 19:57:09,761 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 19:57:09,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 19:57:09,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 19:57:09,762 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 19:57:09,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:59" (3/4) ... [2019-11-19 19:57:09,766 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 19:57:09,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 19:57:09,768 INFO L168 Benchmark]: Toolchain (without parser) took 11189.94 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 327.2 MB). Free memory was 960.4 MB in the beginning and 934.6 MB in the end (delta: 25.8 MB). Peak memory consumption was 353.0 MB. Max. memory is 11.5 GB. [2019-11-19 19:57:09,768 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:57:09,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.15 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 19:57:09,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-19 19:57:09,770 INFO L168 Benchmark]: Boogie Preprocessor took 26.18 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 19:57:09,771 INFO L168 Benchmark]: RCFGBuilder took 354.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-11-19 19:57:09,771 INFO L168 Benchmark]: BuchiAutomizer took 10441.60 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 934.6 MB in the end (delta: 181.7 MB). Peak memory consumption was 362.6 MB. Max. memory is 11.5 GB. [2019-11-19 19:57:09,772 INFO L168 Benchmark]: Witness Printer took 5.32 ms. Allocated memory is still 1.4 GB. Free memory is still 934.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:57:09,775 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 258.15 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.18 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 354.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 10441.60 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 934.6 MB in the end (delta: 181.7 MB). Peak memory consumption was 362.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.32 ms. Allocated memory is still 1.4 GB. Free memory is still 934.6 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 - 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 -4 * index + -1 * array + unknown-#length-unknown[array] and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.3s and 9 iterations. TraceHistogramMax:3. Analysis of lassos took 8.8s. Construction of modules took 0.2s. Büchi inclusion checks took 0.9s. 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: 113 SDtfs, 144 SDslu, 132 SDs, 0 SdLazy, 258 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU2 SILI1 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital186 mio100 ax100 hnf99 lsp96 ukn70 mio100 lsp64 div100 bol100 ite100 ukn100 eq163 hnf89 smp94 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 60ms 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...