./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.17-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c 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-memory-alloca/b.17-alloca.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 a398041f87cd84898ae142142fdf4872d746c3b1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:33:36,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:33:36,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:33:36,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:33:36,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:33:36,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:33:36,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:33:36,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:33:36,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:33:36,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:33:36,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:33:36,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:33:36,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:33:36,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:33:36,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:33:36,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:33:36,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:33:36,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:33:36,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:33:36,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:33:36,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:33:36,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:33:36,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:33:36,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:33:36,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:33:36,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:33:36,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:33:36,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:33:36,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:33:36,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:33:36,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:33:36,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:33:36,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:33:36,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:33:36,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:33:36,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:33:36,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:33:36,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:33:36,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:33:36,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:33:36,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:33:36,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 20:33:36,479 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:33:36,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:33:36,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:33:36,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:33:36,482 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:33:36,482 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:33:36,483 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:33:36,483 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:33:36,483 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:33:36,484 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:33:36,485 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:33:36,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:33:36,486 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:33:36,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:33:36,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:33:36,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:33:36,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:33:36,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:33:36,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:33:36,488 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:33:36,488 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:33:36,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:33:36,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:33:36,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:33:36,489 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:33:36,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:33:36,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:33:36,490 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:33:36,490 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:33:36,492 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:33:36,492 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 -> a398041f87cd84898ae142142fdf4872d746c3b1 [2019-11-28 20:33:36,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:33:36,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:33:36,848 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:33:36,850 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:33:36,851 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:33:36,852 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.17-alloca.i [2019-11-28 20:33:36,925 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54476cc62/9d52827f21744d6cba5e6bcca060045c/FLAGcf8856cf2 [2019-11-28 20:33:37,435 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:33:37,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.17-alloca.i [2019-11-28 20:33:37,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54476cc62/9d52827f21744d6cba5e6bcca060045c/FLAGcf8856cf2 [2019-11-28 20:33:37,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54476cc62/9d52827f21744d6cba5e6bcca060045c [2019-11-28 20:33:37,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:33:37,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:33:37,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:33:37,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:33:37,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:33:37,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:33:37" (1/1) ... [2019-11-28 20:33:37,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a34ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:37, skipping insertion in model container [2019-11-28 20:33:37,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:33:37" (1/1) ... [2019-11-28 20:33:37,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:33:37,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:33:38,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:33:38,269 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:33:38,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:33:38,377 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:33:38,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:38 WrapperNode [2019-11-28 20:33:38,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:33:38,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:33:38,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:33:38,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:33:38,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:38" (1/1) ... [2019-11-28 20:33:38,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:38" (1/1) ... [2019-11-28 20:33:38,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:33:38,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:33:38,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:33:38,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:33:38,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:38" (1/1) ... [2019-11-28 20:33:38,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:38" (1/1) ... [2019-11-28 20:33:38,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:38" (1/1) ... [2019-11-28 20:33:38,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:38" (1/1) ... [2019-11-28 20:33:38,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:38" (1/1) ... [2019-11-28 20:33:38,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:38" (1/1) ... [2019-11-28 20:33:38,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:38" (1/1) ... [2019-11-28 20:33:38,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:33:38,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:33:38,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:33:38,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:33:38,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:33:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:33:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:33:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:33:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:33:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:33:38,857 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:33:38,857 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-28 20:33:38,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:33:38 BoogieIcfgContainer [2019-11-28 20:33:38,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:33:38,860 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:33:38,860 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:33:38,864 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:33:38,865 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:33:38,865 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:33:37" (1/3) ... [2019-11-28 20:33:38,866 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44eb6c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:33:38, skipping insertion in model container [2019-11-28 20:33:38,867 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:33:38,867 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:38" (2/3) ... [2019-11-28 20:33:38,867 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44eb6c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:33:38, skipping insertion in model container [2019-11-28 20:33:38,868 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:33:38,868 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:33:38" (3/3) ... [2019-11-28 20:33:38,870 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.17-alloca.i [2019-11-28 20:33:38,928 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:33:38,928 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:33:38,929 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:33:38,929 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:33:38,929 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:33:38,929 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:33:38,929 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:33:38,929 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:33:38,943 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-28 20:33:38,964 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 20:33:38,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:38,965 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:38,971 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:33:38,971 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 20:33:38,971 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:33:38,971 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-28 20:33:38,973 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 20:33:38,973 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:38,973 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:38,974 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:33:38,974 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 20:33:38,983 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet13, main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem10, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 13#L557-3true [2019-11-28 20:33:38,983 INFO L796 eck$LassoCheckResult]: Loop: 13#L557-3true call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 8#L557-1true assume !!(test_fun_#t~mem6 > test_fun_#t~mem7);havoc test_fun_#t~mem7;havoc test_fun_#t~mem6; 11#L558-3true assume !true; 14#L558-4true call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 13#L557-3true [2019-11-28 20:33:38,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:38,992 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-28 20:33:39,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:39,001 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059826163] [2019-11-28 20:33:39,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:39,246 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:39,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:39,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1144360, now seen corresponding path program 1 times [2019-11-28 20:33:39,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:39,249 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700926564] [2019-11-28 20:33:39,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:33:39,294 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700926564] [2019-11-28 20:33:39,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:33:39,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 20:33:39,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907310586] [2019-11-28 20:33:39,302 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 20:33:39,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:33:39,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 20:33:39,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 20:33:39,323 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 2 states. [2019-11-28 20:33:39,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:33:39,331 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2019-11-28 20:33:39,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 20:33:39,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2019-11-28 20:33:39,335 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 20:33:39,339 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 7 states and 8 transitions. [2019-11-28 20:33:39,341 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-11-28 20:33:39,341 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-28 20:33:39,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2019-11-28 20:33:39,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:33:39,343 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-11-28 20:33:39,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2019-11-28 20:33:39,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-28 20:33:39,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-28 20:33:39,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2019-11-28 20:33:39,374 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-11-28 20:33:39,375 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-11-28 20:33:39,375 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:33:39,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2019-11-28 20:33:39,376 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 20:33:39,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:39,376 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:39,376 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:33:39,377 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 20:33:39,377 INFO L794 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 32#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet13, main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem10, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 33#L557-3 [2019-11-28 20:33:39,377 INFO L796 eck$LassoCheckResult]: Loop: 33#L557-3 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 38#L557-1 assume !!(test_fun_#t~mem6 > test_fun_#t~mem7);havoc test_fun_#t~mem7;havoc test_fun_#t~mem6; 37#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 35#L558-1 assume !(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9; 36#L558-4 call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 33#L557-3 [2019-11-28 20:33:39,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:39,378 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-11-28 20:33:39,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:39,379 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102264201] [2019-11-28 20:33:39,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:39,458 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:39,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:39,459 INFO L82 PathProgramCache]: Analyzing trace with hash 35468273, now seen corresponding path program 1 times [2019-11-28 20:33:39,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:39,461 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350260216] [2019-11-28 20:33:39,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:39,511 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:39,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:39,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1806907759, now seen corresponding path program 1 times [2019-11-28 20:33:39,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:39,515 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131084313] [2019-11-28 20:33:39,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:39,633 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:39,766 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-11-28 20:33:40,481 WARN L192 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 100 [2019-11-28 20:33:40,761 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-11-28 20:33:40,777 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:33:40,778 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:33:40,778 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:33:40,779 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:33:40,779 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:33:40,779 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:40,779 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:33:40,779 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:33:40,779 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.17-alloca.i_Iteration2_Lasso [2019-11-28 20:33:40,780 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:33:40,780 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:33:40,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:40,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:40,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:40,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:40,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:40,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:40,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:40,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:40,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:40,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:40,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:41,526 WARN L192 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2019-11-28 20:33:41,696 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-11-28 20:33:41,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:41,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:41,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:41,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:41,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:42,406 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:33:42,414 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:42,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:42,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:42,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:42,444 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:33:42,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:42,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:42,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:42,475 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 [2019-11-28 20:33:42,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:42,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:42,514 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:33:42,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:42,541 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:42,546 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:33:42,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,572 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:42,572 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 [2019-11-28 20:33:42,583 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:42,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:42,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:42,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:42,608 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:33:42,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:42,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:42,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:42,628 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:33:42,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:42,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:42,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:42,648 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:42,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:42,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:42,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:42,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:42,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:42,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:42,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:33:42,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:42,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:42,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:42,715 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:33:42,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:42,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:42,748 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:42,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:42,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:42,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:42,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:42,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:42,804 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:42,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:42,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:42,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:42,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:42,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:42,869 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:42,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:42,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:42,900 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:33:42,908 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:42,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:42,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:42,918 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:42,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:42,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:42,943 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:42,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:42,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:42,971 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) [2019-11-28 20:33:42,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:42,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:42,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:42,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:42,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:42,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:42,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:43,013 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:33:43,070 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-28 20:33:43,070 INFO L444 ModelExtractionUtils]: 34 out of 40 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:43,079 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:33:43,084 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:33:43,084 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:33:43,085 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2019-11-28 20:33:43,339 INFO L297 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2019-11-28 20:33:43,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 20:33:43,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 20:33:43,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:43,411 INFO L264 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:33:43,413 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:33:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:43,432 INFO L264 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 20:33:43,433 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:33:43,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:33:43,491 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 [2019-11-28 20:33:43,492 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand 4 states. [2019-11-28 20:33:43,566 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 17 states and 20 transitions. Complement of second has 7 states. [2019-11-28 20:33:43,568 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 [2019-11-28 20:33:43,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:33:43,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2019-11-28 20:33:43,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 5 letters. [2019-11-28 20:33:43,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:43,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 7 letters. Loop has 5 letters. [2019-11-28 20:33:43,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:43,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 10 letters. [2019-11-28 20:33:43,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:43,573 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2019-11-28 20:33:43,576 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 20:33:43,577 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 16 states and 19 transitions. [2019-11-28 20:33:43,577 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-28 20:33:43,578 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-28 20:33:43,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2019-11-28 20:33:43,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:33:43,578 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-28 20:33:43,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2019-11-28 20:33:43,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 20:33:43,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 20:33:43,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2019-11-28 20:33:43,582 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-28 20:33:43,582 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-28 20:33:43,582 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:33:43,583 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2019-11-28 20:33:43,584 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 20:33:43,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:43,584 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:43,584 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:33:43,585 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:33:43,585 INFO L794 eck$LassoCheckResult]: Stem: 252#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 250#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet13, main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem10, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 251#L557-3 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 257#L557-1 assume !!(test_fun_#t~mem6 > test_fun_#t~mem7);havoc test_fun_#t~mem7;havoc test_fun_#t~mem6; 258#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 253#L558-1 assume !!(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem10; 254#L558-3 [2019-11-28 20:33:43,585 INFO L796 eck$LassoCheckResult]: Loop: 254#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 264#L558-1 assume !!(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem10; 254#L558-3 [2019-11-28 20:33:43,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:43,585 INFO L82 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2019-11-28 20:33:43,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:43,586 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579034343] [2019-11-28 20:33:43,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:43,652 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:43,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:43,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 1 times [2019-11-28 20:33:43,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:43,656 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320979190] [2019-11-28 20:33:43,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:43,668 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:43,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:43,669 INFO L82 PathProgramCache]: Analyzing trace with hash 179567346, now seen corresponding path program 2 times [2019-11-28 20:33:43,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:43,669 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834450942] [2019-11-28 20:33:43,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:43,724 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:44,703 WARN L192 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 119 [2019-11-28 20:33:45,054 WARN L192 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-11-28 20:33:45,058 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:33:45,059 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:33:45,059 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:33:45,059 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:33:45,059 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:33:45,059 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:45,059 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:33:45,059 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:33:45,059 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.17-alloca.i_Iteration3_Lasso [2019-11-28 20:33:45,060 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:33:45,060 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:33:45,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:45,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:45,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:45,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:45,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:45,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:45,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:45,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:45,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:45,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:45,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:45,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:45,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:45,638 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-11-28 20:33:45,761 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-11-28 20:33:45,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:45,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:45,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:46,374 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:33:46,375 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:46,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:46,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:46,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:46,395 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:46,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:46,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:46,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:46,406 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) [2019-11-28 20:33:46,412 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:46,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:46,419 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:46,424 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) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:46,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:46,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:46,443 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) [2019-11-28 20:33:46,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:46,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:46,454 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 [2019-11-28 20:33:46,456 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) [2019-11-28 20:33:46,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:46,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:46,466 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 [2019-11-28 20:33:46,467 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:46,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:46,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:46,480 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) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:46,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:46,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:46,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:46,490 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:46,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:46,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:46,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:46,500 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) [2019-11-28 20:33:46,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:46,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:46,514 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 [2019-11-28 20:33:46,517 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) [2019-11-28 20:33:46,527 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:46,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:46,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:46,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:46,531 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) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:46,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:46,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:46,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:46,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:46,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:46,558 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) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:46,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:46,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:46,570 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) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:46,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:46,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:46,594 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 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 [2019-11-28 20:33:46,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:46,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:46,608 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:46,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:46,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:46,621 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 [2019-11-28 20:33:46,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:46,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:46,632 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 [2019-11-28 20:33:46,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:46,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:46,646 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 [2019-11-28 20:33:46,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:46,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:46,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:33:46,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:46,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:46,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:46,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:46,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:46,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:46,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:46,698 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:33:46,759 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-28 20:33:46,760 INFO L444 ModelExtractionUtils]: 34 out of 40 variables were initially zero. Simplification set additionally 3 variables to zero. 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 [2019-11-28 20:33:46,763 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:33:46,765 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:33:46,766 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:33:46,766 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_2 Supporting invariants [] [2019-11-28 20:33:46,908 INFO L297 tatePredicateManager]: 32 out of 32 supporting invariants were superfluous and have been removed [2019-11-28 20:33:46,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 20:33:46,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 20:33:46,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:46,960 INFO L264 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:33:46,961 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:33:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:46,970 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 20:33:46,970 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:33:46,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:33:46,987 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:33:46,988 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-28 20:33:47,010 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 22 states and 27 transitions. Complement of second has 7 states. [2019-11-28 20:33:47,011 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 [2019-11-28 20:33:47,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:33:47,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2019-11-28 20:33:47,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-28 20:33:47,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:47,013 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-28 20:33:47,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:47,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-28 20:33:47,014 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:47,014 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2019-11-28 20:33:47,015 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 20:33:47,016 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 21 states and 26 transitions. [2019-11-28 20:33:47,016 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-28 20:33:47,017 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2019-11-28 20:33:47,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2019-11-28 20:33:47,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:33:47,017 INFO L688 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2019-11-28 20:33:47,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2019-11-28 20:33:47,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2019-11-28 20:33:47,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-28 20:33:47,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2019-11-28 20:33:47,020 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-11-28 20:33:47,020 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-11-28 20:33:47,020 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 20:33:47,020 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2019-11-28 20:33:47,021 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 20:33:47,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:47,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:47,022 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2019-11-28 20:33:47,022 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 20:33:47,023 INFO L794 eck$LassoCheckResult]: Stem: 466#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 464#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet13, main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem10, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 465#L557-3 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 471#L557-1 assume !!(test_fun_#t~mem6 > test_fun_#t~mem7);havoc test_fun_#t~mem7;havoc test_fun_#t~mem6; 472#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 483#L558-1 assume !!(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem10; 482#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 467#L558-1 assume !(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9; 468#L558-4 [2019-11-28 20:33:47,023 INFO L796 eck$LassoCheckResult]: Loop: 468#L558-4 call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 478#L557-3 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 479#L557-1 assume !!(test_fun_#t~mem6 > test_fun_#t~mem7);havoc test_fun_#t~mem7;havoc test_fun_#t~mem6; 475#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 476#L558-1 assume !(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9; 468#L558-4 [2019-11-28 20:33:47,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:47,023 INFO L82 PathProgramCache]: Analyzing trace with hash 179567344, now seen corresponding path program 1 times [2019-11-28 20:33:47,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:47,024 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763670330] [2019-11-28 20:33:47,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:47,103 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:47,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:47,103 INFO L82 PathProgramCache]: Analyzing trace with hash 52861313, now seen corresponding path program 2 times [2019-11-28 20:33:47,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:47,104 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127347835] [2019-11-28 20:33:47,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:47,124 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:47,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:47,125 INFO L82 PathProgramCache]: Analyzing trace with hash -474670094, now seen corresponding path program 1 times [2019-11-28 20:33:47,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:47,126 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556244068] [2019-11-28 20:33:47,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:47,228 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 20:33:48,261 WARN L192 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 135 [2019-11-28 20:33:48,624 WARN L192 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-11-28 20:33:48,629 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:33:48,629 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:33:48,629 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:33:48,629 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:33:48,630 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:33:48,630 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:48,630 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:33:48,630 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:33:48,630 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.17-alloca.i_Iteration4_Lasso [2019-11-28 20:33:48,630 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:33:48,630 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:33:48,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:48,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:48,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:48,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:48,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:48,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:48,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:48,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:48,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:49,364 WARN L192 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 99 [2019-11-28 20:33:49,534 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-11-28 20:33:49,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:49,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:49,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:49,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:49,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:49,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:49,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:49,905 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-11-28 20:33:50,344 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:33:50,344 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:50,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:50,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:50,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:50,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:50,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:50,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:50,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:50,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:50,354 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) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:50,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:50,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:50,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:50,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:50,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:50,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:50,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:50,372 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) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:50,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:50,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:50,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:50,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:50,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:50,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:50,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:50,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:50,382 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 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 [2019-11-28 20:33:50,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:50,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:50,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:50,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:50,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:50,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:50,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:50,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:50,399 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:50,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:50,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:50,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:50,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:50,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:50,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:50,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:50,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:50,420 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:50,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:50,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:50,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:50,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:50,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:50,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:50,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:50,431 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 [2019-11-28 20:33:50,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:50,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:50,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:50,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:50,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:50,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:50,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:50,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:50,441 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 [2019-11-28 20:33:50,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:50,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:50,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:50,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:50,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:50,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:50,452 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:50,456 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 [2019-11-28 20:33:50,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:50,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:50,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:50,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:50,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:50,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:50,466 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:50,472 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:50,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:50,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:50,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:50,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:50,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:50,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:50,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:50,485 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 [2019-11-28 20:33:50,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:50,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:50,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:50,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:50,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:50,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:50,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:50,517 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:33:50,555 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-28 20:33:50,556 INFO L444 ModelExtractionUtils]: 28 out of 40 variables were initially zero. Simplification set additionally 9 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) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:50,559 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:33:50,561 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:33:50,562 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:33:50,562 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_3, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_3) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_3 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_3 Supporting invariants [] [2019-11-28 20:33:50,793 INFO L297 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2019-11-28 20:33:50,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 20:33:50,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 20:33:50,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:50,834 INFO L264 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:33:50,835 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:33:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:50,849 INFO L264 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 20:33:50,849 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:33:50,899 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:33:50,900 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 60 [2019-11-28 20:33:50,901 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 20:33:50,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:50,906 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:33:50,958 INFO L614 ElimStorePlain]: treesize reduction 36, result has 65.0 percent of original size [2019-11-28 20:33:50,959 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-11-28 20:33:50,960 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:67 [2019-11-28 20:33:51,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:33:51,117 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-28 20:33:51,117 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand 5 states. [2019-11-28 20:33:51,168 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8. Second operand 5 states. Result 48 states and 58 transitions. Complement of second has 9 states. [2019-11-28 20:33:51,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 20:33:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 20:33:51,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2019-11-28 20:33:51,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 8 letters. Loop has 5 letters. [2019-11-28 20:33:51,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:51,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 13 letters. Loop has 5 letters. [2019-11-28 20:33:51,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:51,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 8 letters. Loop has 10 letters. [2019-11-28 20:33:51,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:51,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 58 transitions. [2019-11-28 20:33:51,174 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 20:33:51,175 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 38 states and 46 transitions. [2019-11-28 20:33:51,176 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-11-28 20:33:51,176 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-28 20:33:51,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 46 transitions. [2019-11-28 20:33:51,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:33:51,176 INFO L688 BuchiCegarLoop]: Abstraction has 38 states and 46 transitions. [2019-11-28 20:33:51,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 46 transitions. [2019-11-28 20:33:51,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2019-11-28 20:33:51,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-11-28 20:33:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2019-11-28 20:33:51,180 INFO L711 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2019-11-28 20:33:51,180 INFO L591 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2019-11-28 20:33:51,180 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-28 20:33:51,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2019-11-28 20:33:51,181 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 20:33:51,182 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:51,182 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:51,185 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 1, 1, 1, 1] [2019-11-28 20:33:51,185 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 20:33:51,185 INFO L794 eck$LassoCheckResult]: Stem: 766#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 764#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet13, main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem10, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 765#L557-3 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 773#L557-1 assume !!(test_fun_#t~mem6 > test_fun_#t~mem7);havoc test_fun_#t~mem7;havoc test_fun_#t~mem6; 774#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 769#L558-1 assume !(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9; 770#L558-4 call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 795#L557-3 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 771#L557-1 assume !!(test_fun_#t~mem6 > test_fun_#t~mem7);havoc test_fun_#t~mem7;havoc test_fun_#t~mem6; 772#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 775#L558-1 assume !!(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem10; 794#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 782#L558-1 assume !(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9; 783#L558-4 [2019-11-28 20:33:51,185 INFO L796 eck$LassoCheckResult]: Loop: 783#L558-4 call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 776#L557-3 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 777#L557-1 assume !!(test_fun_#t~mem6 > test_fun_#t~mem7);havoc test_fun_#t~mem7;havoc test_fun_#t~mem6; 768#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 791#L558-1 assume !(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9; 783#L558-4 [2019-11-28 20:33:51,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:51,186 INFO L82 PathProgramCache]: Analyzing trace with hash -652525668, now seen corresponding path program 2 times [2019-11-28 20:33:51,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:51,186 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008491298] [2019-11-28 20:33:51,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:33:51,412 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008491298] [2019-11-28 20:33:51,412 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231872478] [2019-11-28 20:33:51,412 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:33:51,493 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-28 20:33:51,494 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 20:33:51,495 INFO L264 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-28 20:33:51,497 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:33:51,518 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:33:51,519 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2019-11-28 20:33:51,519 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:33:51,537 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:33:51,538 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:33:51,538 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:13 [2019-11-28 20:33:51,628 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2019-11-28 20:33:51,629 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:33:51,640 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:33:51,640 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:33:51,641 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:41, output treesize:16 [2019-11-28 20:33:51,711 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:33:51,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 20:33:51,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-11-28 20:33:51,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18514915] [2019-11-28 20:33:51,713 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:33:51,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:51,713 INFO L82 PathProgramCache]: Analyzing trace with hash 52861313, now seen corresponding path program 3 times [2019-11-28 20:33:51,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:51,715 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613723320] [2019-11-28 20:33:51,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:51,734 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:51,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:33:51,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-28 20:33:51,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2019-11-28 20:33:51,825 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand 15 states. [2019-11-28 20:33:52,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:33:52,176 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2019-11-28 20:33:52,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 20:33:52,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 31 transitions. [2019-11-28 20:33:52,185 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:33:52,185 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2019-11-28 20:33:52,185 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:33:52,185 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:33:52,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:33:52,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:33:52,186 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:33:52,186 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:33:52,186 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:33:52,186 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-28 20:33:52,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:33:52,186 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:33:52,186 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:33:52,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:33:52 BoogieIcfgContainer [2019-11-28 20:33:52,197 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:33:52,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:33:52,200 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:33:52,200 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:33:52,200 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:33:38" (3/4) ... [2019-11-28 20:33:52,206 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:33:52,206 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:33:52,213 INFO L168 Benchmark]: Toolchain (without parser) took 14472.59 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 363.3 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -219.8 MB). Peak memory consumption was 143.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:33:52,213 INFO L168 Benchmark]: CDTParser took 0.24 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. [2019-11-28 20:33:52,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:33:52,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:33:52,221 INFO L168 Benchmark]: Boogie Preprocessor took 27.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:33:52,221 INFO L168 Benchmark]: RCFGBuilder took 401.56 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: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:33:52,222 INFO L168 Benchmark]: BuchiAutomizer took 13337.55 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 230.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.9 MB). Peak memory consumption was 143.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:33:52,226 INFO L168 Benchmark]: Witness Printer took 6.95 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:33:52,229 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 641.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 401.56 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: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 13337.55 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 230.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.9 MB). Peak memory consumption was 143.8 MB. Max. memory is 11.5 GB. * Witness Printer took 6.95 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[z_ref][z_ref] + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 4 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] + -1 * unknown-#memory_int-unknown[z_ref][z_ref] and consists of 4 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[z_ref][z_ref] + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.2s and 6 iterations. TraceHistogramMax:3. Analysis of lassos took 12.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 34 states and ocurred in iteration 4. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 34 SDtfs, 31 SDslu, 11 SDs, 0 SdLazy, 123 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital873 mio100 ax102 hnf100 lsp96 ukn31 mio100 lsp33 div100 bol100 ite100 ukn100 eq194 hnf87 smp99 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...