./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/NO_23.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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-restricted-15/NO_23.c -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 cee692bfa384f30ecd519bc2dc9dfe35c80a4941 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 14:11:14,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 14:11:14,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 14:11:14,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 14:11:14,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 14:11:14,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 14:11:14,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 14:11:14,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 14:11:14,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 14:11:14,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 14:11:14,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 14:11:14,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 14:11:14,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 14:11:14,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 14:11:14,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 14:11:14,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 14:11:14,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 14:11:14,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 14:11:14,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 14:11:14,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 14:11:14,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 14:11:14,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 14:11:14,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 14:11:14,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 14:11:14,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 14:11:14,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 14:11:14,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 14:11:14,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 14:11:14,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 14:11:14,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 14:11:14,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 14:11:14,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 14:11:14,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 14:11:14,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 14:11:14,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 14:11:14,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 14:11:14,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 14:11:14,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 14:11:14,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 14:11:14,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 14:11:14,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 14:11:14,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-27 14:11:14,494 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 14:11:14,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 14:11:14,495 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 14:11:14,496 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 14:11:14,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 14:11:14,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 14:11:14,498 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 14:11:14,498 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 14:11:14,498 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 14:11:14,498 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 14:11:14,499 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 14:11:14,499 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 14:11:14,499 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 14:11:14,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 14:11:14,507 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 14:11:14,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 14:11:14,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 14:11:14,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 14:11:14,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 14:11:14,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 14:11:14,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 14:11:14,508 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 14:11:14,508 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 14:11:14,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 14:11:14,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 14:11:14,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 14:11:14,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 14:11:14,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 14:11:14,510 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 14:11:14,511 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 14:11:14,511 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cee692bfa384f30ecd519bc2dc9dfe35c80a4941 [2021-08-27 14:11:14,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 14:11:14,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 14:11:14,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 14:11:14,814 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 14:11:14,814 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 14:11:14,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/NO_23.c [2021-08-27 14:11:14,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8930e51e0/4c39141228614e64b290d57aa4532f15/FLAGd46e91739 [2021-08-27 14:11:15,294 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 14:11:15,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/NO_23.c [2021-08-27 14:11:15,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8930e51e0/4c39141228614e64b290d57aa4532f15/FLAGd46e91739 [2021-08-27 14:11:15,316 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8930e51e0/4c39141228614e64b290d57aa4532f15 [2021-08-27 14:11:15,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 14:11:15,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 14:11:15,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 14:11:15,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 14:11:15,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 14:11:15,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:11:15" (1/1) ... [2021-08-27 14:11:15,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ade4551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:15, skipping insertion in model container [2021-08-27 14:11:15,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:11:15" (1/1) ... [2021-08-27 14:11:15,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 14:11:15,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 14:11:15,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:11:15,474 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 14:11:15,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:11:15,495 INFO L208 MainTranslator]: Completed translation [2021-08-27 14:11:15,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:15 WrapperNode [2021-08-27 14:11:15,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 14:11:15,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 14:11:15,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 14:11:15,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 14:11:15,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:15" (1/1) ... [2021-08-27 14:11:15,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:15" (1/1) ... [2021-08-27 14:11:15,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 14:11:15,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 14:11:15,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 14:11:15,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 14:11:15,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:15" (1/1) ... [2021-08-27 14:11:15,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:15" (1/1) ... [2021-08-27 14:11:15,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:15" (1/1) ... [2021-08-27 14:11:15,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:15" (1/1) ... [2021-08-27 14:11:15,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:15" (1/1) ... [2021-08-27 14:11:15,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:15" (1/1) ... [2021-08-27 14:11:15,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:15" (1/1) ... [2021-08-27 14:11:15,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 14:11:15,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 14:11:15,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 14:11:15,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 14:11:15,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:15" (1/1) ... [2021-08-27 14:11:15,571 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:15,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:15,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:15,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-27 14:11:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 14:11:15,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 14:11:15,762 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 14:11:15,763 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-08-27 14:11:15,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:11:15 BoogieIcfgContainer [2021-08-27 14:11:15,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 14:11:15,766 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 14:11:15,766 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 14:11:15,769 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 14:11:15,769 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:11:15,769 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 02:11:15" (1/3) ... [2021-08-27 14:11:15,770 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11d904aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:11:15, skipping insertion in model container [2021-08-27 14:11:15,771 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:11:15,771 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:11:15" (2/3) ... [2021-08-27 14:11:15,771 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11d904aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:11:15, skipping insertion in model container [2021-08-27 14:11:15,772 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:11:15,772 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:11:15" (3/3) ... [2021-08-27 14:11:15,773 INFO L389 chiAutomizerObserver]: Analyzing ICFG NO_23.c [2021-08-27 14:11:15,812 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 14:11:15,812 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 14:11:15,812 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 14:11:15,813 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 14:11:15,813 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 14:11:15,813 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 14:11:15,813 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 14:11:15,813 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 14:11:15,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:15,835 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 14:11:15,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:11:15,836 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:11:15,839 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-08-27 14:11:15,840 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 14:11:15,840 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 14:11:15,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:15,841 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 14:11:15,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:11:15,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:11:15,841 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-08-27 14:11:15,841 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 14:11:15,846 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~i~0;havoc main_~i~0;main_~i~0 := 0; 4#L10-2true [2021-08-27 14:11:15,846 INFO L793 eck$LassoCheckResult]: Loop: 4#L10-2true assume !!(main_~i~0 < 100); 6#L10true assume main_~i~0 < 50;main_~i~0 := 51; 4#L10-2true [2021-08-27 14:11:15,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:11:15,855 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-08-27 14:11:15,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:11:15,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039439642] [2021-08-27 14:11:15,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:11:15,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:11:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:15,920 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:11:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:15,944 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:11:15,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:11:15,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2021-08-27 14:11:15,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:11:15,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45805237] [2021-08-27 14:11:15,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:11:15,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:11:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:15,984 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:11:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:15,987 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:11:15,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:11:15,989 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2021-08-27 14:11:15,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:11:15,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052864005] [2021-08-27 14:11:15,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:11:15,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:11:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:15,994 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:11:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:15,997 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:11:16,113 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:11:16,114 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:11:16,114 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:11:16,114 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:11:16,114 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 14:11:16,114 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:16,114 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:11:16,114 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:11:16,115 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration1_Loop [2021-08-27 14:11:16,115 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:11:16,115 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:11:16,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:16,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:16,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:16,250 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:11:16,251 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 14:11:16,253 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:16,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:16,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:16,264 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:11:16,264 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:11:16,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-27 14:11:16,295 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 14:11:16,296 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 14:11:16,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:16,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:16,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:16,326 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:16,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-27 14:11:16,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:11:16,329 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:11:16,349 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 14:11:16,349 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 14:11:16,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-08-27 14:11:16,373 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:16,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:16,377 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:16,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-27 14:11:16,378 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:11:16,378 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:11:16,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:16,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:16,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:16,422 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:16,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-27 14:11:16,423 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 14:11:16,424 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:11:16,471 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 14:11:16,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:16,474 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:11:16,474 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:11:16,474 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:11:16,474 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:11:16,474 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:11:16,475 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:16,475 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:11:16,475 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:11:16,475 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration1_Loop [2021-08-27 14:11:16,475 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:11:16,475 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:11:16,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:16,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:16,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:16,553 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:11:16,557 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:11:16,558 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:16,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:16,581 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:16,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-27 14:11:16,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:16,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:16,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:16,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:16,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:11:16,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:11:16,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:11:16,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:16,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:16,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:16,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:16,680 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:16,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:16,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-27 14:11:16,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:16,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:11:16,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:16,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:16,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:11:16,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:11:16,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:11:16,702 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:11:16,705 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 14:11:16,705 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 14:11:16,706 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:16,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:16,707 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:16,708 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:11:16,709 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 14:11:16,709 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:11:16,709 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 + 50 Supporting invariants [] [2021-08-27 14:11:16,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-27 14:11:16,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:16,728 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 14:11:16,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:11:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:11:16,765 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 14:11:16,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:11:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:11:16,775 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 14:11:16,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:11:16,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:11:16,801 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-08-27 14:11:16,802 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:16,835 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 30 transitions. Complement of second has 6 states. [2021-08-27 14:11:16,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 14:11:16,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:16,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-08-27 14:11:16,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2021-08-27 14:11:16,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:11:16,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2021-08-27 14:11:16,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:11:16,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2021-08-27 14:11:16,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:11:16,840 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2021-08-27 14:11:16,842 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 14:11:16,844 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2021-08-27 14:11:16,845 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-08-27 14:11:16,845 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-08-27 14:11:16,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2021-08-27 14:11:16,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:11:16,846 INFO L681 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-08-27 14:11:16,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2021-08-27 14:11:16,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-08-27 14:11:16,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:16,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-08-27 14:11:16,864 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-08-27 14:11:16,864 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-08-27 14:11:16,864 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 14:11:16,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2021-08-27 14:11:16,865 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 14:11:16,865 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:11:16,865 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:11:16,865 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-27 14:11:16,865 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 14:11:16,866 INFO L791 eck$LassoCheckResult]: Stem: 68#ULTIMATE.startENTRY havoc main_#res;havoc main_~i~0;havoc main_~i~0;main_~i~0 := 0; 69#L10-2 assume !!(main_~i~0 < 100); 67#L10 assume !(main_~i~0 < 50);main_~i~0 := 49; 63#L10-2 [2021-08-27 14:11:16,866 INFO L793 eck$LassoCheckResult]: Loop: 63#L10-2 assume !!(main_~i~0 < 100); 64#L10 assume main_~i~0 < 50;main_~i~0 := 51; 63#L10-2 [2021-08-27 14:11:16,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:11:16,866 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2021-08-27 14:11:16,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:11:16,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059373278] [2021-08-27 14:11:16,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:11:16,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:11:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:11:16,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:11:16,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:11:16,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059373278] [2021-08-27 14:11:16,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059373278] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:11:16,894 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:11:16,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-27 14:11:16,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373095038] [2021-08-27 14:11:16,897 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 14:11:16,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:11:16,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 2 times [2021-08-27 14:11:16,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:11:16,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416362256] [2021-08-27 14:11:16,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:11:16,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:11:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:16,901 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:11:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:16,903 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:11:16,930 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:11:16,930 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:11:16,931 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:11:16,931 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:11:16,931 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 14:11:16,931 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:16,931 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:11:16,931 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:11:16,931 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration2_Loop [2021-08-27 14:11:16,931 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:11:16,932 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:11:16,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:16,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:16,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:16,999 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:11:16,999 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 14:11:16,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:17,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:17,000 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:17,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-27 14:11:17,009 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:11:17,009 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:11:17,025 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 14:11:17,025 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 14:11:17,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:17,043 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:17,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:17,043 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:17,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-27 14:11:17,045 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:11:17,045 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:11:17,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:17,075 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:17,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:17,076 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:17,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-27 14:11:17,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:17,119 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 14:11:17,119 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:11:17,169 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 14:11:17,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:17,172 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:11:17,172 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:11:17,173 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:11:17,173 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:11:17,173 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:11:17,173 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:17,173 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:11:17,173 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:11:17,173 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration2_Loop [2021-08-27 14:11:17,173 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:11:17,173 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:11:17,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:17,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:17,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:17,240 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:11:17,240 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:11:17,241 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:17,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:17,245 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:17,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:17,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:17,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:11:17,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:17,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:17,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:11:17,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:11:17,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:11:17,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-27 14:11:17,280 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:11:17,283 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 14:11:17,283 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 14:11:17,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:17,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:17,284 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:17,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-27 14:11:17,287 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:11:17,287 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 14:11:17,287 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:11:17,287 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 + 50 Supporting invariants [] [2021-08-27 14:11:17,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:17,311 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 14:11:17,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:11:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:11:17,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 14:11:17,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:11:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:11:17,350 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 14:11:17,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:11:17,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:11:17,362 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-08-27 14:11:17,362 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:17,372 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 11 states and 16 transitions. Complement of second has 5 states. [2021-08-27 14:11:17,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 14:11:17,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:17,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-08-27 14:11:17,373 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2021-08-27 14:11:17,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:11:17,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2021-08-27 14:11:17,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:11:17,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2021-08-27 14:11:17,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:11:17,374 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2021-08-27 14:11:17,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 14:11:17,375 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. [2021-08-27 14:11:17,376 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-08-27 14:11:17,376 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-08-27 14:11:17,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2021-08-27 14:11:17,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:11:17,376 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-08-27 14:11:17,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2021-08-27 14:11:17,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-08-27 14:11:17,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:17,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2021-08-27 14:11:17,378 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-08-27 14:11:17,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:11:17,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 14:11:17,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 14:11:17,381 INFO L87 Difference]: Start difference. First operand 11 states and 16 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:17,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:11:17,390 INFO L93 Difference]: Finished difference Result 13 states and 17 transitions. [2021-08-27 14:11:17,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 14:11:17,390 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 17 transitions. [2021-08-27 14:11:17,391 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 14:11:17,391 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 12 states and 16 transitions. [2021-08-27 14:11:17,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-08-27 14:11:17,392 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-08-27 14:11:17,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2021-08-27 14:11:17,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:11:17,392 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-08-27 14:11:17,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2021-08-27 14:11:17,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2021-08-27 14:11:17,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:17,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2021-08-27 14:11:17,394 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-08-27 14:11:17,394 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-08-27 14:11:17,394 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 14:11:17,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2021-08-27 14:11:17,395 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 14:11:17,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:11:17,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:11:17,395 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1] [2021-08-27 14:11:17,395 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 14:11:17,396 INFO L791 eck$LassoCheckResult]: Stem: 144#ULTIMATE.startENTRY havoc main_#res;havoc main_~i~0;havoc main_~i~0;main_~i~0 := 0; 139#L10-2 assume !!(main_~i~0 < 100); 140#L10 assume main_~i~0 < 50;main_~i~0 := 51; 149#L10-2 assume !!(main_~i~0 < 100); 148#L10 assume !(main_~i~0 < 50);main_~i~0 := 49; 146#L10-2 assume !!(main_~i~0 < 100); 142#L10 assume !(main_~i~0 < 50);main_~i~0 := 49; 145#L10-2 [2021-08-27 14:11:17,396 INFO L793 eck$LassoCheckResult]: Loop: 145#L10-2 assume !!(main_~i~0 < 100); 147#L10 assume main_~i~0 < 50;main_~i~0 := 51; 145#L10-2 [2021-08-27 14:11:17,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:11:17,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1366043347, now seen corresponding path program 1 times [2021-08-27 14:11:17,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:11:17,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869938148] [2021-08-27 14:11:17,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:11:17,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:11:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:11:17,412 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 14:11:17,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:11:17,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869938148] [2021-08-27 14:11:17,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869938148] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:11:17,413 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:11:17,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-27 14:11:17,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51197564] [2021-08-27 14:11:17,413 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 14:11:17,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:11:17,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 3 times [2021-08-27 14:11:17,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:11:17,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643741406] [2021-08-27 14:11:17,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:11:17,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:11:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:17,417 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:11:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:17,419 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:11:17,442 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:11:17,443 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:11:17,443 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:11:17,443 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:11:17,443 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 14:11:17,443 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:17,443 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:11:17,443 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:11:17,443 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration3_Loop [2021-08-27 14:11:17,444 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:11:17,444 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:11:17,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:17,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:17,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:17,489 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:11:17,489 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 14:11:17,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:17,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:17,490 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:17,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-27 14:11:17,493 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:11:17,493 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:11:17,517 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 14:11:17,517 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 14:11:17,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:17,538 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:17,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:17,539 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:17,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-27 14:11:17,541 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:11:17,541 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:11:17,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:17,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:17,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:17,568 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:17,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-27 14:11:17,570 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 14:11:17,570 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:11:17,620 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 14:11:17,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:17,626 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:11:17,626 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:11:17,626 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:11:17,626 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:11:17,626 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:11:17,626 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:17,626 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:11:17,626 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:11:17,626 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration3_Loop [2021-08-27 14:11:17,626 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:11:17,626 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:11:17,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:17,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:17,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:17,708 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:11:17,708 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:11:17,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:17,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:17,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:17,717 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:17,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:17,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:17,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:17,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:17,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:11:17,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:11:17,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:11:17,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-27 14:11:17,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:17,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:17,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:17,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:17,770 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:17,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-27 14:11:17,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:17,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:17,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:11:17,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:17,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:17,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:11:17,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:11:17,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:11:17,781 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:11:17,782 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 14:11:17,782 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 14:11:17,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:17,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:17,783 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:17,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-08-27 14:11:17,785 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:11:17,785 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 14:11:17,785 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:11:17,785 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 + 50 Supporting invariants [] [2021-08-27 14:11:17,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:17,802 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 14:11:17,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:11:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:11:17,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 14:11:17,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:11:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:11:17,855 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 14:11:17,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:11:17,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:11:17,863 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-08-27 14:11:17,864 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:17,871 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 19 transitions. Complement of second has 5 states. [2021-08-27 14:11:17,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 14:11:17,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:17,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-08-27 14:11:17,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 7 letters. Loop has 2 letters. [2021-08-27 14:11:17,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:11:17,872 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-27 14:11:17,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:11:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:11:17,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 14:11:17,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:11:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:11:17,912 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 14:11:17,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:11:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:11:17,919 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2021-08-27 14:11:17,919 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:17,925 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 19 transitions. Complement of second has 5 states. [2021-08-27 14:11:17,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 14:11:17,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:17,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-08-27 14:11:17,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 7 letters. Loop has 2 letters. [2021-08-27 14:11:17,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:11:17,927 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-27 14:11:17,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:11:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:11:17,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 14:11:17,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:11:17,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:11:18,002 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 14:11:18,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:11:18,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:11:18,010 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-08-27 14:11:18,010 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:18,023 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 22 transitions. Complement of second has 4 states. [2021-08-27 14:11:18,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 14:11:18,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:18,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-08-27 14:11:18,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2021-08-27 14:11:18,024 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:11:18,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 9 letters. Loop has 2 letters. [2021-08-27 14:11:18,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:11:18,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 4 letters. [2021-08-27 14:11:18,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:11:18,026 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 22 transitions. [2021-08-27 14:11:18,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-27 14:11:18,028 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 18 transitions. [2021-08-27 14:11:18,029 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-08-27 14:11:18,029 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-08-27 14:11:18,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2021-08-27 14:11:18,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:11:18,029 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-08-27 14:11:18,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2021-08-27 14:11:18,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 6. [2021-08-27 14:11:18,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:18,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2021-08-27 14:11:18,034 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2021-08-27 14:11:18,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:11:18,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 14:11:18,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 14:11:18,035 INFO L87 Difference]: Start difference. First operand 6 states and 8 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:18,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:11:18,045 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2021-08-27 14:11:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 14:11:18,045 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2021-08-27 14:11:18,046 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-27 14:11:18,046 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 7 states and 8 transitions. [2021-08-27 14:11:18,047 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-08-27 14:11:18,047 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-08-27 14:11:18,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2021-08-27 14:11:18,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:11:18,047 INFO L681 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2021-08-27 14:11:18,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2021-08-27 14:11:18,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 5. [2021-08-27 14:11:18,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:11:18,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2021-08-27 14:11:18,049 INFO L704 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2021-08-27 14:11:18,049 INFO L587 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2021-08-27 14:11:18,049 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 14:11:18,049 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 6 transitions. [2021-08-27 14:11:18,050 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-27 14:11:18,050 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:11:18,050 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:11:18,050 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-08-27 14:11:18,050 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2021-08-27 14:11:18,050 INFO L791 eck$LassoCheckResult]: Stem: 318#ULTIMATE.startENTRY havoc main_#res;havoc main_~i~0;havoc main_~i~0;main_~i~0 := 0; 314#L10-2 [2021-08-27 14:11:18,051 INFO L793 eck$LassoCheckResult]: Loop: 314#L10-2 assume !!(main_~i~0 < 100); 315#L10 assume main_~i~0 < 50;main_~i~0 := 51; 316#L10-2 assume !!(main_~i~0 < 100); 317#L10 assume !(main_~i~0 < 50);main_~i~0 := 49; 314#L10-2 [2021-08-27 14:11:18,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:11:18,051 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2021-08-27 14:11:18,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:11:18,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910223324] [2021-08-27 14:11:18,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:11:18,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:11:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:18,062 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:11:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:18,065 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:11:18,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:11:18,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1234249, now seen corresponding path program 1 times [2021-08-27 14:11:18,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:11:18,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981280129] [2021-08-27 14:11:18,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:11:18,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:11:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:18,078 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:11:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:18,081 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:11:18,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:11:18,082 INFO L82 PathProgramCache]: Analyzing trace with hash 29863400, now seen corresponding path program 2 times [2021-08-27 14:11:18,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:11:18,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470760285] [2021-08-27 14:11:18,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:11:18,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:11:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:18,085 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:11:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:18,088 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:11:18,134 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:11:18,134 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:11:18,134 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:11:18,134 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:11:18,134 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 14:11:18,134 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:18,134 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:11:18,134 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:11:18,135 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration4_Lasso [2021-08-27 14:11:18,135 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:11:18,135 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:11:18,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:18,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:18,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:18,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:18,191 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:11:18,191 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 14:11:18,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:18,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:18,197 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:18,205 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 14:11:18,205 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:11:18,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-08-27 14:11:18,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:18,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:18,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:18,235 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:18,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-08-27 14:11:18,239 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 14:11:18,239 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 14:11:18,265 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 14:11:18,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:18,268 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:11:18,268 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:11:18,268 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:11:18,268 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:11:18,268 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:11:18,268 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:18,268 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:11:18,268 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:11:18,269 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration4_Lasso [2021-08-27 14:11:18,269 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:11:18,269 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:11:18,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:18,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:18,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:18,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:11:18,327 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:11:18,328 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:11:18,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:18,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:18,329 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:18,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:18,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:18,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:18,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:18,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:11:18,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:11:18,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:11:18,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-08-27 14:11:18,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:18,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:18,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:18,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:18,389 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:18,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:18,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-08-27 14:11:18,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:18,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:18,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:18,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:11:18,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:11:18,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:11:18,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:18,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:18,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:18,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:18,440 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:18,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-08-27 14:11:18,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:18,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:18,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:11:18,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:18,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:18,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:11:18,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:11:18,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:11:18,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:18,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-08-27 14:11:18,492 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:18,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:18,496 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:18,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-08-27 14:11:18,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:18,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:18,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:18,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:18,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:11:18,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:11:18,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:11:18,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:18,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-08-27 14:11:18,530 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-08-27 14:11:18,530 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:18,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:18,532 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:18,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-08-27 14:11:18,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:18,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:18,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:18,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:18,540 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:11:18,545 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-08-27 14:11:18,545 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-08-27 14:11:18,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:18,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-08-27 14:11:18,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:18,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:18,604 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:18,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-08-27 14:11:18,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:18,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:18,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:18,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:18,615 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:11:18,618 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-08-27 14:11:18,618 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-08-27 14:11:18,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:18,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:18,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:18,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:18,677 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:18,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:18,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:18,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:11:18,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:18,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:18,689 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:11:18,690 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:11:18,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:11:18,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:18,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-08-27 14:11:18,706 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-08-27 14:11:18,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:18,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:18,707 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:18,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-08-27 14:11:18,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:18,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:18,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:18,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:18,716 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:11:18,719 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-08-27 14:11:18,719 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-08-27 14:11:18,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:18,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:18,749 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-08-27 14:11:18,749 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:18,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:18,750 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:18,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-08-27 14:11:18,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:18,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:18,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:18,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:18,762 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:11:18,768 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-27 14:11:18,768 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-27 14:11:18,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:18,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:18,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:18,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:18,809 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:18,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-08-27 14:11:18,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:18,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:18,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:18,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:18,818 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:11:18,822 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-27 14:11:18,822 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-27 14:11:18,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:18,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-08-27 14:11:18,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:18,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:18,846 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:18,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-08-27 14:11:18,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:18,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:18,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:11:18,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:18,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:18,854 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:11:18,855 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:11:18,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:11:18,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:18,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:18,887 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:18,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:18,887 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:18,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-08-27 14:11:18,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:18,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:18,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:18,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:18,896 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:11:18,900 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-27 14:11:18,900 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-27 14:11:18,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:18,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:18,924 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-08-27 14:11:18,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:18,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:18,926 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:18,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-08-27 14:11:18,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:18,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:18,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:18,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:18,936 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:11:18,949 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-08-27 14:11:18,949 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-08-27 14:11:18,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:18,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:18,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:18,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:18,998 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:18,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-08-27 14:11:19,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:19,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,008 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:11:19,011 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-08-27 14:11:19,011 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-08-27 14:11:19,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-08-27 14:11:19,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,034 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-08-27 14:11:19,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:19,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:11:19,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,044 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:11:19,045 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:11:19,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:11:19,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:19,060 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,061 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-08-27 14:11:19,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:11:19,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,069 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:11:19,075 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-08-27 14:11:19,075 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-08-27 14:11:19,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:19,094 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-08-27 14:11:19,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,095 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-08-27 14:11:19,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,103 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,104 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:11:19,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,104 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:11:19,107 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-08-27 14:11:19,107 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-08-27 14:11:19,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:19,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,136 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-08-27 14:11:19,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,144 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,144 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:11:19,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,145 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:11:19,147 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-08-27 14:11:19,147 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-08-27 14:11:19,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:19,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,170 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-08-27 14:11:19,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,178 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,178 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:11:19,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:11:19,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,178 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:11:19,179 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-27 14:11:19,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:11:19,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:19,195 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,196 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-08-27 14:11:19,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,204 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,204 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:11:19,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,204 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-27 14:11:19,206 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-08-27 14:11:19,206 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-08-27 14:11:19,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:19,252 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-08-27 14:11:19,252 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,269 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-08-27 14:11:19,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,280 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,280 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:11:19,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,280 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:11:19,285 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-27 14:11:19,285 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-27 14:11:19,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-08-27 14:11:19,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,309 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-08-27 14:11:19,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,327 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,328 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:11:19,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,328 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:11:19,331 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-27 14:11:19,331 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-27 14:11:19,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:19,374 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,381 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,393 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,393 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:11:19,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:11:19,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,394 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:11:19,395 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:11:19,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:11:19,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-08-27 14:11:19,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:19,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,431 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-08-27 14:11:19,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,441 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,441 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-27 14:11:19,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,441 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:11:19,445 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-27 14:11:19,445 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-27 14:11:19,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:19,489 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-08-27 14:11:19,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,490 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-08-27 14:11:19,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,500 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,500 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:11:19,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,500 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:11:19,506 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-08-27 14:11:19,507 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-08-27 14:11:19,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:19,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,547 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-08-27 14:11:19,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,561 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,561 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:11:19,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,562 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:11:19,566 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-08-27 14:11:19,566 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-08-27 14:11:19,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:19,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,600 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-08-27 14:11:19,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,610 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,610 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:11:19,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:11:19,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,610 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:11:19,611 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-27 14:11:19,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:11:19,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:19,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,632 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-08-27 14:11:19,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,640 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,640 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:11:19,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,640 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-27 14:11:19,643 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-08-27 14:11:19,643 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-08-27 14:11:19,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-08-27 14:11:19,673 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-08-27 14:11:19,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,674 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-08-27 14:11:19,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,682 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,682 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:11:19,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,682 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:11:19,686 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-27 14:11:19,686 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-27 14:11:19,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-08-27 14:11:19,731 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,732 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-08-27 14:11:19,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,740 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,741 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:11:19,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,741 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:11:19,744 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-27 14:11:19,744 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-27 14:11:19,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:19,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,798 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-08-27 14:11:19,813 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,813 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:11:19,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:11:19,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,813 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:11:19,814 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:11:19,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:11:19,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-08-27 14:11:19,830 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,830 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-08-27 14:11:19,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,839 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,839 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-27 14:11:19,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,839 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-27 14:11:19,842 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-27 14:11:19,842 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-27 14:11:19,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-08-27 14:11:19,889 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-08-27 14:11:19,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,890 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-08-27 14:11:19,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,898 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,898 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:11:19,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,898 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:11:19,906 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-08-27 14:11:19,906 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-08-27 14:11:19,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-08-27 14:11:19,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,956 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-08-27 14:11:19,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,964 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,964 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:11:19,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,964 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:11:19,968 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-08-27 14:11:19,968 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-08-27 14:11:19,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:19,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:19,990 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:19,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:19,991 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:19,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-08-27 14:11:19,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:19,999 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:19,999 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:11:19,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:11:19,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:19,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:19,999 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:11:20,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:11:20,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:11:20,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:20,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-08-27 14:11:20,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:11:20,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:11:20,037 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:11:20,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-08-27 14:11:20,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:11:20,054 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-27 14:11:20,054 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-27 14:11:20,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:11:20,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:11:20,054 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-27 14:11:20,057 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-08-27 14:11:20,057 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-08-27 14:11:20,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:11:20,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-08-27 14:11:20,077 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-08-27 14:11:20,077 INFO L791 eck$LassoCheckResult]: Stem: 318#ULTIMATE.startENTRY havoc main_#res;havoc main_~i~0;havoc main_~i~0;main_~i~0 := 0; 314#L10-2 assume !!(main_~i~0 < 100); 315#L10 assume main_~i~0 < 50;main_~i~0 := 51; 316#L10-2 assume !!(main_~i~0 < 100); 317#L10 assume !(main_~i~0 < 50);main_~i~0 := 49; 314#L10-2 [2021-08-27 14:11:20,077 INFO L793 eck$LassoCheckResult]: Loop: 314#L10-2 assume !!(main_~i~0 < 100); 315#L10 assume main_~i~0 < 50;main_~i~0 := 51; 316#L10-2 assume !!(main_~i~0 < 100); 317#L10 assume !(main_~i~0 < 50);main_~i~0 := 49; 314#L10-2 [2021-08-27 14:11:20,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:11:20,078 INFO L82 PathProgramCache]: Analyzing trace with hash 29863400, now seen corresponding path program 3 times [2021-08-27 14:11:20,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:11:20,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762103504] [2021-08-27 14:11:20,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:11:20,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:11:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:20,081 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:11:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:20,083 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:11:20,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:11:20,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1234249, now seen corresponding path program 2 times [2021-08-27 14:11:20,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:11:20,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241690570] [2021-08-27 14:11:20,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:11:20,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:11:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:20,085 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:11:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:20,087 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:11:20,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:11:20,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1492334512, now seen corresponding path program 4 times [2021-08-27 14:11:20,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:11:20,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532178012] [2021-08-27 14:11:20,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:11:20,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:11:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:20,089 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:11:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:11:20,094 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:11:20,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 02:11:20 BoogieIcfgContainer [2021-08-27 14:11:20,150 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 14:11:20,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 14:11:20,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 14:11:20,151 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 14:11:20,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:11:15" (3/4) ... [2021-08-27 14:11:20,153 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-08-27 14:11:20,173 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-27 14:11:20,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 14:11:20,174 INFO L168 Benchmark]: Toolchain (without parser) took 4853.05 ms. Allocated memory was 65.0 MB in the beginning and 100.7 MB in the end (delta: 35.7 MB). Free memory was 45.5 MB in the beginning and 67.4 MB in the end (delta: -21.9 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2021-08-27 14:11:20,174 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 65.0 MB. Free memory is still 46.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:11:20,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.57 ms. Allocated memory is still 65.0 MB. Free memory was 45.4 MB in the beginning and 36.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-27 14:11:20,175 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.40 ms. Allocated memory is still 65.0 MB. Free memory was 36.9 MB in the beginning and 48.8 MB in the end (delta: -11.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. [2021-08-27 14:11:20,175 INFO L168 Benchmark]: Boogie Preprocessor took 35.38 ms. Allocated memory is still 65.0 MB. Free memory was 48.6 MB in the beginning and 47.9 MB in the end (delta: 702.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 14:11:20,175 INFO L168 Benchmark]: RCFGBuilder took 202.63 ms. Allocated memory is still 65.0 MB. Free memory was 47.6 MB in the beginning and 39.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-08-27 14:11:20,176 INFO L168 Benchmark]: BuchiAutomizer took 4384.59 ms. Allocated memory was 65.0 MB in the beginning and 100.7 MB in the end (delta: 35.7 MB). Free memory was 39.4 MB in the beginning and 69.2 MB in the end (delta: -29.8 MB). Peak memory consumption was 51.5 MB. Max. memory is 16.1 GB. [2021-08-27 14:11:20,176 INFO L168 Benchmark]: Witness Printer took 22.26 ms. Allocated memory is still 100.7 MB. Free memory was 69.2 MB in the beginning and 67.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 14:11:20,178 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 65.0 MB. Free memory is still 46.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 174.57 ms. Allocated memory is still 65.0 MB. Free memory was 45.4 MB in the beginning and 36.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.40 ms. Allocated memory is still 65.0 MB. Free memory was 36.9 MB in the beginning and 48.8 MB in the end (delta: -11.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.38 ms. Allocated memory is still 65.0 MB. Free memory was 48.6 MB in the beginning and 47.9 MB in the end (delta: 702.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 202.63 ms. Allocated memory is still 65.0 MB. Free memory was 47.6 MB in the beginning and 39.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4384.59 ms. Allocated memory was 65.0 MB in the beginning and 100.7 MB in the end (delta: 35.7 MB). Free memory was 39.4 MB in the beginning and 69.2 MB in the end (delta: -29.8 MB). Peak memory consumption was 51.5 MB. Max. memory is 16.1 GB. * Witness Printer took 22.26 ms. Allocated memory is still 100.7 MB. Free memory was 69.2 MB in the beginning and 67.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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, 2 deterministic, 1 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * i + 50 and consists of 4 locations. One deterministic module has affine ranking function -1 * i + 50 and consists of 3 locations. One nondeterministic module has affine ranking function -1 * i + 50 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 4 iterations. TraceHistogramMax:3. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 5. Automata minimization 17.5ms AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 24 SDtfs, 22 SDslu, 3 SDs, 0 SdLazy, 39 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.7ms Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital8 mio100 ax250 hnf100 lsp40 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf91 smp100 dnf100 smp100 tf118 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 95ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 9]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {\result=0, i=49} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 9]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = 0 [L9] COND TRUE i < 100 [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 Loop: [L9] COND TRUE i < 100 [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-08-27 14:11:20,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...