./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/bubble_sort-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 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/loops/bubble_sort-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 121046493a5b65b32f3b8bf8adee655ff03b45acd38f0a8519ee3c99065fa840 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 09:47:11,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 09:47:11,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 09:47:11,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 09:47:11,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 09:47:11,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 09:47:11,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 09:47:11,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 09:47:11,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 09:47:11,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 09:47:11,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 09:47:11,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 09:47:11,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 09:47:11,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 09:47:11,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 09:47:11,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 09:47:11,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 09:47:11,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 09:47:11,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 09:47:11,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 09:47:11,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 09:47:11,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 09:47:11,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 09:47:11,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 09:47:11,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 09:47:11,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 09:47:11,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 09:47:11,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 09:47:11,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 09:47:11,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 09:47:11,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 09:47:11,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 09:47:11,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 09:47:11,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 09:47:11,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 09:47:11,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 09:47:11,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 09:47:11,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 09:47:11,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 09:47:11,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 09:47:11,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 09:47:11,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-16 09:47:11,557 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 09:47:11,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 09:47:11,558 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 09:47:11,558 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 09:47:11,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 09:47:11,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 09:47:11,560 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 09:47:11,560 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-16 09:47:11,560 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-16 09:47:11,560 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-16 09:47:11,561 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-16 09:47:11,561 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-16 09:47:11,562 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-16 09:47:11,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 09:47:11,562 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 09:47:11,562 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 09:47:11,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 09:47:11,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 09:47:11,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 09:47:11,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-16 09:47:11,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-16 09:47:11,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-16 09:47:11,564 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 09:47:11,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 09:47:11,565 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-16 09:47:11,565 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 09:47:11,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-16 09:47:11,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 09:47:11,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 09:47:11,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 09:47:11,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 09:47:11,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 09:47:11,567 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-16 09:47:11,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 121046493a5b65b32f3b8bf8adee655ff03b45acd38f0a8519ee3c99065fa840 [2021-12-16 09:47:11,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 09:47:11,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 09:47:11,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 09:47:11,764 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 09:47:11,764 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 09:47:11,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/bubble_sort-1.c [2021-12-16 09:47:11,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/643bed45f/d96b510e5e974ce2ac7940eebd712ae9/FLAG734d2d059 [2021-12-16 09:47:12,216 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 09:47:12,216 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/bubble_sort-1.c [2021-12-16 09:47:12,223 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/643bed45f/d96b510e5e974ce2ac7940eebd712ae9/FLAG734d2d059 [2021-12-16 09:47:12,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/643bed45f/d96b510e5e974ce2ac7940eebd712ae9 [2021-12-16 09:47:12,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 09:47:12,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 09:47:12,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 09:47:12,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 09:47:12,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 09:47:12,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:47:12" (1/1) ... [2021-12-16 09:47:12,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@563b561d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:47:12, skipping insertion in model container [2021-12-16 09:47:12,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:47:12" (1/1) ... [2021-12-16 09:47:12,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 09:47:12,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 09:47:12,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/bubble_sort-1.c[325,338] [2021-12-16 09:47:12,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:47:12,428 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 09:47:12,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/bubble_sort-1.c[325,338] [2021-12-16 09:47:12,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:47:12,474 INFO L208 MainTranslator]: Completed translation [2021-12-16 09:47:12,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:47:12 WrapperNode [2021-12-16 09:47:12,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 09:47:12,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 09:47:12,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 09:47:12,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 09:47:12,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:47:12" (1/1) ... [2021-12-16 09:47:12,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:47:12" (1/1) ... [2021-12-16 09:47:12,521 INFO L137 Inliner]: procedures = 17, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2021-12-16 09:47:12,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 09:47:12,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 09:47:12,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 09:47:12,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 09:47:12,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:47:12" (1/1) ... [2021-12-16 09:47:12,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:47:12" (1/1) ... [2021-12-16 09:47:12,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:47:12" (1/1) ... [2021-12-16 09:47:12,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:47:12" (1/1) ... [2021-12-16 09:47:12,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:47:12" (1/1) ... [2021-12-16 09:47:12,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:47:12" (1/1) ... [2021-12-16 09:47:12,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:47:12" (1/1) ... [2021-12-16 09:47:12,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 09:47:12,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 09:47:12,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 09:47:12,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 09:47:12,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:47:12" (1/1) ... [2021-12-16 09:47:12,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:12,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:12,574 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) [2021-12-16 09:47:12,581 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 [2021-12-16 09:47:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 09:47:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 09:47:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 09:47:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 09:47:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 09:47:12,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 09:47:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 09:47:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 09:47:12,659 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 09:47:12,661 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 09:47:12,794 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 09:47:12,799 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 09:47:12,799 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-16 09:47:12,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:47:12 BoogieIcfgContainer [2021-12-16 09:47:12,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 09:47:12,802 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-16 09:47:12,802 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-16 09:47:12,816 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-16 09:47:12,816 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:47:12,816 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.12 09:47:12" (1/3) ... [2021-12-16 09:47:12,817 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ecb711b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:47:12, skipping insertion in model container [2021-12-16 09:47:12,817 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:47:12,817 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:47:12" (2/3) ... [2021-12-16 09:47:12,818 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ecb711b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:47:12, skipping insertion in model container [2021-12-16 09:47:12,818 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:47:12,818 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:47:12" (3/3) ... [2021-12-16 09:47:12,819 INFO L388 chiAutomizerObserver]: Analyzing ICFG bubble_sort-1.c [2021-12-16 09:47:12,889 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-16 09:47:12,889 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-16 09:47:12,889 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-16 09:47:12,889 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-16 09:47:12,889 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-16 09:47:12,890 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-16 09:47:12,890 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-16 09:47:12,890 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-16 09:47:12,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 26 states have internal predecessors, (44), 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) [2021-12-16 09:47:12,939 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 14 [2021-12-16 09:47:12,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:47:12,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:47:12,953 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-16 09:47:12,954 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 09:47:12,954 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-16 09:47:12,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 26 states have internal predecessors, (44), 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) [2021-12-16 09:47:12,956 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 14 [2021-12-16 09:47:12,956 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:47:12,956 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:47:12,957 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-16 09:47:12,957 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 09:47:12,962 INFO L791 eck$LassoCheckResult]: Stem: 19#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 6#L56true assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 27#L65true assume q1_#t~switch17#1;q1_~i~1#1 := 0; 11#L66-3true [2021-12-16 09:47:12,963 INFO L793 eck$LassoCheckResult]: Loop: 11#L66-3true assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 12#L66-2true q1_#t~pre18#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre18#1; 11#L66-3true [2021-12-16 09:47:12,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:12,973 INFO L85 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2021-12-16 09:47:12,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:12,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883893299] [2021-12-16 09:47:12,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:12,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:13,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:47:13,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:47:13,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883893299] [2021-12-16 09:47:13,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883893299] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:47:13,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:47:13,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 09:47:13,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383549179] [2021-12-16 09:47:13,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:47:13,179 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:47:13,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:13,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1539, now seen corresponding path program 1 times [2021-12-16 09:47:13,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:13,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908075438] [2021-12-16 09:47:13,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:13,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:13,199 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:13,231 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:13,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:47:13,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 09:47:13,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 09:47:13,345 INFO L87 Difference]: Start difference. First operand has 27 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 26 states have internal predecessors, (44), 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, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-12-16 09:47:13,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:47:13,362 INFO L93 Difference]: Finished difference Result 24 states and 31 transitions. [2021-12-16 09:47:13,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 09:47:13,367 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2021-12-16 09:47:13,368 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-12-16 09:47:13,371 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 19 states and 25 transitions. [2021-12-16 09:47:13,372 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-12-16 09:47:13,372 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-12-16 09:47:13,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2021-12-16 09:47:13,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:47:13,373 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-12-16 09:47:13,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2021-12-16 09:47:13,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2021-12-16 09:47:13,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 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) [2021-12-16 09:47:13,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2021-12-16 09:47:13,395 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-12-16 09:47:13,395 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-12-16 09:47:13,396 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-16 09:47:13,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2021-12-16 09:47:13,398 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-12-16 09:47:13,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:47:13,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:47:13,399 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:47:13,399 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 09:47:13,400 INFO L791 eck$LassoCheckResult]: Stem: 60#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 61#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 64#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 65#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 77#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 76#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 71#L74-3 [2021-12-16 09:47:13,401 INFO L793 eck$LassoCheckResult]: Loop: 71#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 70#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 71#L74-3 [2021-12-16 09:47:13,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:13,402 INFO L85 PathProgramCache]: Analyzing trace with hash 889584664, now seen corresponding path program 1 times [2021-12-16 09:47:13,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:13,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634952387] [2021-12-16 09:47:13,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:13,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:13,427 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:13,451 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:13,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:13,456 INFO L85 PathProgramCache]: Analyzing trace with hash 2691, now seen corresponding path program 1 times [2021-12-16 09:47:13,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:13,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997450087] [2021-12-16 09:47:13,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:13,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:13,468 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:13,477 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:13,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:13,480 INFO L85 PathProgramCache]: Analyzing trace with hash 192371930, now seen corresponding path program 1 times [2021-12-16 09:47:13,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:13,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727710306] [2021-12-16 09:47:13,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:13,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:13,506 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:13,530 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:14,092 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:47:14,093 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:47:14,093 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:47:14,093 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:47:14,093 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:47:14,094 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:14,094 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:47:14,094 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:47:14,094 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration2_Lasso [2021-12-16 09:47:14,094 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:47:14,095 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:47:14,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:14,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:14,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:14,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:14,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:14,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:14,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:14,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:14,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:14,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:14,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:14,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:14,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:14,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:14,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:14,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:14,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:14,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:14,625 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:47:14,630 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:47:14,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:14,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:14,639 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) [2021-12-16 09:47:14,646 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 [2021-12-16 09:47:14,652 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 [2021-12-16 09:47:14,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:14,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:14,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:14,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:14,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:14,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:14,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:14,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:14,697 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 [2021-12-16 09:47:14,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:14,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:14,699 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) [2021-12-16 09:47:14,700 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 [2021-12-16 09:47:14,701 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 [2021-12-16 09:47:14,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:14,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:14,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:14,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:14,712 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:14,712 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:14,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:14,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:14,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:14,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:14,750 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) [2021-12-16 09:47:14,758 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 [2021-12-16 09:47:14,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:14,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:14,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:14,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:14,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:14,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:14,771 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 [2021-12-16 09:47:14,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:14,811 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 [2021-12-16 09:47:14,811 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:14,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:14,812 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) [2021-12-16 09:47:14,814 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 [2021-12-16 09:47:14,815 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 [2021-12-16 09:47:14,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:14,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:14,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:14,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:14,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:14,824 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:14,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:14,842 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 [2021-12-16 09:47:14,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:14,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:14,843 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) [2021-12-16 09:47:14,844 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 [2021-12-16 09:47:14,845 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 [2021-12-16 09:47:14,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:14,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:14,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:14,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:14,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:14,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:14,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:14,880 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 [2021-12-16 09:47:14,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:14,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:14,882 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) [2021-12-16 09:47:14,882 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 [2021-12-16 09:47:14,886 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 [2021-12-16 09:47:14,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:14,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:14,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:14,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:14,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:14,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:14,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:14,931 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 [2021-12-16 09:47:14,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:14,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:14,932 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) [2021-12-16 09:47:14,935 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 [2021-12-16 09:47:14,936 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 [2021-12-16 09:47:14,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:14,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:14,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:14,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:14,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:14,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:14,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:14,983 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 [2021-12-16 09:47:14,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:14,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:14,985 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) [2021-12-16 09:47:14,987 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 [2021-12-16 09:47:14,988 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 [2021-12-16 09:47:14,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:14,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:14,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:14,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:14,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:14,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:14,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:15,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:15,036 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 [2021-12-16 09:47:15,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:15,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:15,038 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) [2021-12-16 09:47:15,039 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 [2021-12-16 09:47:15,041 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 [2021-12-16 09:47:15,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:15,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:15,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:15,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:15,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:15,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:15,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:15,082 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 [2021-12-16 09:47:15,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:15,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:15,083 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) [2021-12-16 09:47:15,085 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 [2021-12-16 09:47:15,085 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 [2021-12-16 09:47:15,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:15,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:15,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:15,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:15,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:15,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:15,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:15,122 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 [2021-12-16 09:47:15,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:15,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:15,124 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) [2021-12-16 09:47:15,125 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 [2021-12-16 09:47:15,126 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 [2021-12-16 09:47:15,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:15,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:15,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:15,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:15,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:15,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:15,158 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 09:47:15,167 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-16 09:47:15,168 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-16 09:47:15,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:15,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:15,180 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) [2021-12-16 09:47:15,208 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 09:47:15,224 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 [2021-12-16 09:47:15,226 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-16 09:47:15,226 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 09:47:15,226 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_q1_~i~1#1, v_rep(select #length ULTIMATE.start_q1_~#a~1#1.base)_1, ULTIMATE.start_q1_~#a~1#1.offset) = -4*ULTIMATE.start_q1_~i~1#1 + 2*v_rep(select #length ULTIMATE.start_q1_~#a~1#1.base)_1 - 1*ULTIMATE.start_q1_~#a~1#1.offset Supporting invariants [] [2021-12-16 09:47:15,251 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 [2021-12-16 09:47:15,276 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-12-16 09:47:15,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:15,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 09:47:15,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:47:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:15,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-16 09:47:15,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:47:15,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:47:15,382 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-16 09:47:15,383 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2021-12-16 09:47:15,410 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Result 28 states and 40 transitions. Complement of second has 7 states. [2021-12-16 09:47:15,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-16 09:47:15,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2021-12-16 09:47:15,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2021-12-16 09:47:15,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-16 09:47:15,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:47:15,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 8 letters. Loop has 2 letters. [2021-12-16 09:47:15,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:47:15,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 6 letters. Loop has 4 letters. [2021-12-16 09:47:15,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:47:15,415 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 40 transitions. [2021-12-16 09:47:15,416 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-12-16 09:47:15,417 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 26 states and 36 transitions. [2021-12-16 09:47:15,417 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-12-16 09:47:15,417 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-12-16 09:47:15,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 36 transitions. [2021-12-16 09:47:15,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:47:15,418 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2021-12-16 09:47:15,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 36 transitions. [2021-12-16 09:47:15,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 19. [2021-12-16 09:47:15,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 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) [2021-12-16 09:47:15,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2021-12-16 09:47:15,420 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-12-16 09:47:15,420 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-12-16 09:47:15,420 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-16 09:47:15,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2021-12-16 09:47:15,421 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-16 09:47:15,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:47:15,421 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:47:15,421 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:47:15,421 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-16 09:47:15,422 INFO L791 eck$LassoCheckResult]: Stem: 178#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 179#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 182#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 183#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 196#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 194#L73 assume !q1_#t~switch17#1; 180#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 181#L18-3 [2021-12-16 09:47:15,422 INFO L793 eck$LassoCheckResult]: Loop: 181#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 192#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 191#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 181#L18-3 [2021-12-16 09:47:15,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:15,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 1 times [2021-12-16 09:47:15,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:15,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989753226] [2021-12-16 09:47:15,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:15,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:15,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:47:15,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:47:15,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989753226] [2021-12-16 09:47:15,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989753226] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:47:15,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:47:15,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 09:47:15,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955344109] [2021-12-16 09:47:15,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:47:15,442 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:47:15,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:15,442 INFO L85 PathProgramCache]: Analyzing trace with hash 114407, now seen corresponding path program 1 times [2021-12-16 09:47:15,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:15,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31451003] [2021-12-16 09:47:15,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:15,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:15,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:47:15,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:47:15,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31451003] [2021-12-16 09:47:15,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31451003] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:47:15,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:47:15,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 09:47:15,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226209434] [2021-12-16 09:47:15,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:47:15,455 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 09:47:15,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:47:15,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 09:47:15,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 09:47:15,456 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 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) [2021-12-16 09:47:15,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:47:15,467 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2021-12-16 09:47:15,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 09:47:15,468 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2021-12-16 09:47:15,469 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-16 09:47:15,469 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 27 transitions. [2021-12-16 09:47:15,469 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-12-16 09:47:15,469 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-12-16 09:47:15,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2021-12-16 09:47:15,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:47:15,470 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-12-16 09:47:15,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2021-12-16 09:47:15,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-12-16 09:47:15,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 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) [2021-12-16 09:47:15,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2021-12-16 09:47:15,472 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-12-16 09:47:15,472 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-12-16 09:47:15,472 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-16 09:47:15,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2021-12-16 09:47:15,473 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-16 09:47:15,473 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:47:15,473 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:47:15,473 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:47:15,474 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:47:15,474 INFO L791 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 225#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 228#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 229#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 243#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 241#L73 assume !q1_#t~switch17#1; 226#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 227#L18-3 [2021-12-16 09:47:15,474 INFO L793 eck$LassoCheckResult]: Loop: 227#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 238#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 239#L23 assume !(bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1); 233#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 240#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 237#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 227#L18-3 [2021-12-16 09:47:15,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:15,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 2 times [2021-12-16 09:47:15,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:15,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969530398] [2021-12-16 09:47:15,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:15,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:15,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:47:15,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:47:15,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969530398] [2021-12-16 09:47:15,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969530398] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:47:15,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:47:15,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 09:47:15,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699924089] [2021-12-16 09:47:15,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:47:15,493 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:47:15,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:15,493 INFO L85 PathProgramCache]: Analyzing trace with hash -884895266, now seen corresponding path program 1 times [2021-12-16 09:47:15,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:15,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079720159] [2021-12-16 09:47:15,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:15,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:15,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:47:15,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:47:15,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079720159] [2021-12-16 09:47:15,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079720159] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:47:15,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:47:15,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 09:47:15,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367506434] [2021-12-16 09:47:15,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:47:15,505 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 09:47:15,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:47:15,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 09:47:15,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 09:47:15,506 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 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) [2021-12-16 09:47:15,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:47:15,515 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2021-12-16 09:47:15,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 09:47:15,516 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2021-12-16 09:47:15,517 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-16 09:47:15,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 21 states and 27 transitions. [2021-12-16 09:47:15,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-12-16 09:47:15,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-12-16 09:47:15,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2021-12-16 09:47:15,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:47:15,518 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-12-16 09:47:15,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2021-12-16 09:47:15,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-12-16 09:47:15,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 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) [2021-12-16 09:47:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-12-16 09:47:15,520 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-12-16 09:47:15,520 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-12-16 09:47:15,520 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-16 09:47:15,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-12-16 09:47:15,521 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-16 09:47:15,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:47:15,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:47:15,521 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:47:15,522 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:47:15,522 INFO L791 eck$LassoCheckResult]: Stem: 272#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 273#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 276#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 277#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 291#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 289#L73 assume !q1_#t~switch17#1; 274#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 275#L18-3 [2021-12-16 09:47:15,522 INFO L793 eck$LassoCheckResult]: Loop: 275#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 286#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 287#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 280#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 281#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 288#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 285#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 275#L18-3 [2021-12-16 09:47:15,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:15,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 3 times [2021-12-16 09:47:15,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:15,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037825669] [2021-12-16 09:47:15,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:15,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:15,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:47:15,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:47:15,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037825669] [2021-12-16 09:47:15,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037825669] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:47:15,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:47:15,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 09:47:15,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978675222] [2021-12-16 09:47:15,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:47:15,539 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:47:15,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:15,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 1 times [2021-12-16 09:47:15,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:15,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430750982] [2021-12-16 09:47:15,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:15,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:15,547 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:15,552 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:15,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-16 09:47:15,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:47:15,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 09:47:15,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 09:47:15,686 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 9 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) [2021-12-16 09:47:15,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:47:15,693 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2021-12-16 09:47:15,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 09:47:15,693 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2021-12-16 09:47:15,694 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-16 09:47:15,694 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 25 transitions. [2021-12-16 09:47:15,694 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-12-16 09:47:15,694 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-12-16 09:47:15,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2021-12-16 09:47:15,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:47:15,695 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-12-16 09:47:15,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2021-12-16 09:47:15,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-12-16 09:47:15,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 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) [2021-12-16 09:47:15,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-12-16 09:47:15,696 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-12-16 09:47:15,696 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-12-16 09:47:15,696 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-16 09:47:15,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2021-12-16 09:47:15,697 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-16 09:47:15,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:47:15,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:47:15,697 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:47:15,697 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 09:47:15,698 INFO L791 eck$LassoCheckResult]: Stem: 318#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 319#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 322#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 323#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 337#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 335#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 336#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 330#L74-4 q1_~i~1#1 := 0; 325#L76-3 [2021-12-16 09:47:15,698 INFO L793 eck$LassoCheckResult]: Loop: 325#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 324#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 325#L76-3 [2021-12-16 09:47:15,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:15,698 INFO L85 PathProgramCache]: Analyzing trace with hash 192371872, now seen corresponding path program 1 times [2021-12-16 09:47:15,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:15,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673341627] [2021-12-16 09:47:15,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:15,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:15,705 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:15,711 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:15,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:15,712 INFO L85 PathProgramCache]: Analyzing trace with hash 3139, now seen corresponding path program 1 times [2021-12-16 09:47:15,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:15,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376804340] [2021-12-16 09:47:15,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:15,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:15,715 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:47:15,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1528965582] [2021-12-16 09:47:15,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:15,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:47:15,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:15,717 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:47:15,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-16 09:47:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:15,763 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:15,770 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:15,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:15,771 INFO L85 PathProgramCache]: Analyzing trace with hash 185777442, now seen corresponding path program 1 times [2021-12-16 09:47:15,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:15,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43908051] [2021-12-16 09:47:15,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:15,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:15,781 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:47:15,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [470567359] [2021-12-16 09:47:15,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:15,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:47:15,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:15,783 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:47:15,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-16 09:47:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:15,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 09:47:15,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:47:15,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:47:15,871 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 09:47:15,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:47:15,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43908051] [2021-12-16 09:47:15,872 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-16 09:47:15,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470567359] [2021-12-16 09:47:15,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470567359] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:47:15,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:47:15,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 09:47:15,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369120191] [2021-12-16 09:47:15,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:47:16,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:47:16,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 09:47:16,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-16 09:47:16,005 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2021-12-16 09:47:16,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:47:16,045 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2021-12-16 09:47:16,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 09:47:16,046 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 51 transitions. [2021-12-16 09:47:16,047 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 23 [2021-12-16 09:47:16,048 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 51 transitions. [2021-12-16 09:47:16,048 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-12-16 09:47:16,048 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-12-16 09:47:16,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2021-12-16 09:47:16,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:47:16,048 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 51 transitions. [2021-12-16 09:47:16,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2021-12-16 09:47:16,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 22. [2021-12-16 09:47:16,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 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) [2021-12-16 09:47:16,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-12-16 09:47:16,051 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-12-16 09:47:16,051 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-12-16 09:47:16,051 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-16 09:47:16,051 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-12-16 09:47:16,051 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-16 09:47:16,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:47:16,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:47:16,052 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:47:16,052 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:47:16,052 INFO L791 eck$LassoCheckResult]: Stem: 420#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 421#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 424#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 425#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 440#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 438#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 439#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 432#L74-4 q1_~i~1#1 := 0; 433#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 422#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 423#L18-3 [2021-12-16 09:47:16,052 INFO L793 eck$LassoCheckResult]: Loop: 423#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 435#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 436#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 428#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 429#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 437#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 434#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 423#L18-3 [2021-12-16 09:47:16,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:16,052 INFO L85 PathProgramCache]: Analyzing trace with hash 185777387, now seen corresponding path program 1 times [2021-12-16 09:47:16,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:16,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642903391] [2021-12-16 09:47:16,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:16,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:16,063 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:16,071 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:16,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:16,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 2 times [2021-12-16 09:47:16,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:16,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258904181] [2021-12-16 09:47:16,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:16,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:16,078 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:16,083 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:16,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:16,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1443775097, now seen corresponding path program 1 times [2021-12-16 09:47:16,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:16,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437675705] [2021-12-16 09:47:16,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:16,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:16,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 09:47:16,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:47:16,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437675705] [2021-12-16 09:47:16,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437675705] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:47:16,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:47:16,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 09:47:16,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650476160] [2021-12-16 09:47:16,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:47:16,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:47:16,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 09:47:16,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 09:47:16,252 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2021-12-16 09:47:16,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:47:16,300 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2021-12-16 09:47:16,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 09:47:16,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2021-12-16 09:47:16,301 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-16 09:47:16,301 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 23 states and 27 transitions. [2021-12-16 09:47:16,302 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-12-16 09:47:16,302 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-12-16 09:47:16,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 27 transitions. [2021-12-16 09:47:16,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:47:16,302 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-12-16 09:47:16,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 27 transitions. [2021-12-16 09:47:16,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2021-12-16 09:47:16,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 20 states have internal predecessors, (25), 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) [2021-12-16 09:47:16,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2021-12-16 09:47:16,304 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-12-16 09:47:16,304 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-12-16 09:47:16,304 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-16 09:47:16,304 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 25 transitions. [2021-12-16 09:47:16,304 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-16 09:47:16,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:47:16,305 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:47:16,305 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:47:16,305 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 09:47:16,305 INFO L791 eck$LassoCheckResult]: Stem: 483#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 484#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 487#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 488#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 503#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 501#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 502#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 493#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 494#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 495#L74-4 q1_~i~1#1 := 0; 496#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 489#L76-2 [2021-12-16 09:47:16,305 INFO L793 eck$LassoCheckResult]: Loop: 489#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 490#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 489#L76-2 [2021-12-16 09:47:16,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:16,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1465845666, now seen corresponding path program 1 times [2021-12-16 09:47:16,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:16,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563912530] [2021-12-16 09:47:16,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:16,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:16,313 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:47:16,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [63024739] [2021-12-16 09:47:16,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:16,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:47:16,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:16,315 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:47:16,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-16 09:47:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:16,374 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:16,392 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:16,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:16,392 INFO L85 PathProgramCache]: Analyzing trace with hash 3199, now seen corresponding path program 2 times [2021-12-16 09:47:16,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:16,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746689199] [2021-12-16 09:47:16,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:16,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:16,397 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:47:16,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1934177910] [2021-12-16 09:47:16,397 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-16 09:47:16,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:47:16,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:16,399 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:47:16,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-16 09:47:16,444 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-16 09:47:16,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-16 09:47:16,444 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:16,451 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:16,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:16,453 INFO L85 PathProgramCache]: Analyzing trace with hash -71585824, now seen corresponding path program 1 times [2021-12-16 09:47:16,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:16,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033196527] [2021-12-16 09:47:16,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:16,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:16,467 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:47:16,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1730572260] [2021-12-16 09:47:16,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:16,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:47:16,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:16,470 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:47:16,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-12-16 09:47:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:16,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-16 09:47:16,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:47:16,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:47:16,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 09:47:16,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:47:16,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:47:16,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033196527] [2021-12-16 09:47:16,620 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-16 09:47:16,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730572260] [2021-12-16 09:47:16,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730572260] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 09:47:16,621 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-16 09:47:16,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-12-16 09:47:16,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137509259] [2021-12-16 09:47:16,621 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-16 09:47:16,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:47:16,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-16 09:47:16,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-16 09:47:16,764 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. cyclomatic complexity: 7 Second operand has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 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) [2021-12-16 09:47:16,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:47:16,849 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2021-12-16 09:47:16,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 09:47:16,852 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 57 transitions. [2021-12-16 09:47:16,852 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 23 [2021-12-16 09:47:16,853 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 57 transitions. [2021-12-16 09:47:16,853 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2021-12-16 09:47:16,853 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-12-16 09:47:16,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 57 transitions. [2021-12-16 09:47:16,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:47:16,853 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 57 transitions. [2021-12-16 09:47:16,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 57 transitions. [2021-12-16 09:47:16,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 27. [2021-12-16 09:47:16,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 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) [2021-12-16 09:47:16,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2021-12-16 09:47:16,856 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-12-16 09:47:16,856 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-12-16 09:47:16,856 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-16 09:47:16,856 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2021-12-16 09:47:16,856 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-16 09:47:16,856 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:47:16,856 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:47:16,856 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:47:16,857 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 09:47:16,857 INFO L791 eck$LassoCheckResult]: Stem: 643#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 644#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 647#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 648#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 664#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 662#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 663#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 653#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 654#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 665#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 669#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 668#L74-4 q1_~i~1#1 := 0; 657#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 649#L76-2 [2021-12-16 09:47:16,857 INFO L793 eck$LassoCheckResult]: Loop: 649#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 650#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 649#L76-2 [2021-12-16 09:47:16,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:16,857 INFO L85 PathProgramCache]: Analyzing trace with hash -69873632, now seen corresponding path program 2 times [2021-12-16 09:47:16,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:16,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744074163] [2021-12-16 09:47:16,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:16,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:16,869 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:47:16,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [526235298] [2021-12-16 09:47:16,869 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-16 09:47:16,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:47:16,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:16,871 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:47:16,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-12-16 09:47:16,942 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-16 09:47:16,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-16 09:47:16,942 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:16,961 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:16,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:16,962 INFO L85 PathProgramCache]: Analyzing trace with hash 3199, now seen corresponding path program 3 times [2021-12-16 09:47:16,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:16,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59258793] [2021-12-16 09:47:16,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:16,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:16,965 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:47:16,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1911857561] [2021-12-16 09:47:16,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-16 09:47:16,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:47:16,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:16,971 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:47:16,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-12-16 09:47:17,025 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-12-16 09:47:17,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-16 09:47:17,025 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:17,032 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:17,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:17,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1570918622, now seen corresponding path program 2 times [2021-12-16 09:47:17,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:17,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183818508] [2021-12-16 09:47:17,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:17,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:17,048 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:47:17,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2017690041] [2021-12-16 09:47:17,048 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-16 09:47:17,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:47:17,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:17,051 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:47:17,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-12-16 09:47:17,116 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-16 09:47:17,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-16 09:47:17,116 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:17,139 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:18,386 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:47:18,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:47:18,386 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:47:18,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:47:18,386 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:47:18,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:18,386 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:47:18,386 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:47:18,386 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration9_Lasso [2021-12-16 09:47:18,386 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:47:18,386 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:47:18,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:18,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:18,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:18,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:18,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:18,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:18,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:18,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:19,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:19,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:19,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:19,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:19,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:19,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:19,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:20,293 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:47:20,293 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:47:20,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,298 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) [2021-12-16 09:47:20,299 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 [2021-12-16 09:47:20,299 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 [2021-12-16 09:47:20,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:20,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:20,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,329 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 [2021-12-16 09:47:20,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,331 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) [2021-12-16 09:47:20,331 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 [2021-12-16 09:47:20,332 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 [2021-12-16 09:47:20,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:20,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:20,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:20,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,354 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 [2021-12-16 09:47:20,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,356 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) [2021-12-16 09:47:20,356 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 [2021-12-16 09:47:20,357 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 [2021-12-16 09:47:20,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:20,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:20,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:20,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:20,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,386 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) [2021-12-16 09:47:20,391 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 [2021-12-16 09:47:20,392 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 [2021-12-16 09:47:20,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:20,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:20,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:20,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:20,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,416 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) [2021-12-16 09:47:20,417 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 [2021-12-16 09:47:20,418 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 [2021-12-16 09:47:20,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:20,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:20,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:20,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,467 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) [2021-12-16 09:47:20,467 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 [2021-12-16 09:47:20,468 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 [2021-12-16 09:47:20,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:20,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:20,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:20,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,491 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 [2021-12-16 09:47:20,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,492 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) [2021-12-16 09:47:20,494 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 [2021-12-16 09:47:20,495 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 [2021-12-16 09:47:20,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:20,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:20,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:20,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,525 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) [2021-12-16 09:47:20,526 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 [2021-12-16 09:47:20,528 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 [2021-12-16 09:47:20,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:20,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:20,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,553 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 [2021-12-16 09:47:20,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,554 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) [2021-12-16 09:47:20,555 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 [2021-12-16 09:47:20,556 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 [2021-12-16 09:47:20,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:20,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:20,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-16 09:47:20,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,589 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) [2021-12-16 09:47:20,590 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 [2021-12-16 09:47:20,591 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 [2021-12-16 09:47:20,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:20,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:20,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:20,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,617 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) [2021-12-16 09:47:20,618 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 [2021-12-16 09:47:20,619 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 [2021-12-16 09:47:20,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,627 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:20,627 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:20,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,644 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 [2021-12-16 09:47:20,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,645 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) [2021-12-16 09:47:20,645 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 [2021-12-16 09:47:20,684 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 [2021-12-16 09:47:20,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:20,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:20,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,718 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 [2021-12-16 09:47:20,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,720 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) [2021-12-16 09:47:20,727 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 [2021-12-16 09:47:20,727 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 [2021-12-16 09:47:20,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:20,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:20,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,759 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 [2021-12-16 09:47:20,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,760 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) [2021-12-16 09:47:20,761 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 [2021-12-16 09:47:20,762 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 [2021-12-16 09:47:20,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:20,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:20,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:20,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,821 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) [2021-12-16 09:47:20,823 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 [2021-12-16 09:47:20,831 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 [2021-12-16 09:47:20,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:20,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:20,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-16 09:47:20,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,859 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) [2021-12-16 09:47:20,860 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 [2021-12-16 09:47:20,861 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 [2021-12-16 09:47:20,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:20,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:20,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-16 09:47:20,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,887 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) [2021-12-16 09:47:20,888 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 [2021-12-16 09:47:20,889 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 [2021-12-16 09:47:20,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,898 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:20,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:20,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,917 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 [2021-12-16 09:47:20,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,918 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) [2021-12-16 09:47:20,919 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 [2021-12-16 09:47:20,920 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 [2021-12-16 09:47:20,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:20,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:20,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-16 09:47:20,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,945 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) [2021-12-16 09:47:20,948 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 [2021-12-16 09:47:20,949 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 [2021-12-16 09:47:20,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:20,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:20,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:20,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-16 09:47:20,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:20,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:20,977 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) [2021-12-16 09:47:20,978 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 [2021-12-16 09:47:20,979 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 [2021-12-16 09:47:20,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:20,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:20,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:20,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:20,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:20,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:20,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:20,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:21,000 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 [2021-12-16 09:47:21,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:21,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:21,002 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) [2021-12-16 09:47:21,003 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 [2021-12-16 09:47:21,004 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 [2021-12-16 09:47:21,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:21,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:21,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:21,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:21,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:21,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:21,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:21,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:21,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:21,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:21,032 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) [2021-12-16 09:47:21,033 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 [2021-12-16 09:47:21,034 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 [2021-12-16 09:47:21,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:21,041 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-16 09:47:21,041 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-16 09:47:21,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:21,075 INFO L401 nArgumentSynthesizer]: We have 36 Motzkin's Theorem applications. [2021-12-16 09:47:21,075 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-16 09:47:21,160 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 09:47:21,222 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-12-16 09:47:21,222 INFO L444 ModelExtractionUtils]: 33 out of 50 variables were initially zero. Simplification set additionally 14 variables to zero. [2021-12-16 09:47:21,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:21,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:21,224 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) [2021-12-16 09:47:21,224 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 [2021-12-16 09:47:21,225 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 09:47:21,235 INFO L438 nArgumentSynthesizer]: Removed 6 redundant supporting invariants from a total of 6. [2021-12-16 09:47:21,236 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 09:47:21,236 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_q1_~#a~1#1.base)_2, ULTIMATE.start_q1_~i~1#1) = 1*v_rep(select #length ULTIMATE.start_q1_~#a~1#1.base)_2 - 4*ULTIMATE.start_q1_~i~1#1 Supporting invariants [] [2021-12-16 09:47:21,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-16 09:47:21,273 INFO L297 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2021-12-16 09:47:21,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:21,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 09:47:21,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:47:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:21,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-16 09:47:21,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:47:21,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:47:21,396 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-16 09:47:21,396 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-12-16 09:47:21,465 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 38 states and 48 transitions. Complement of second has 5 states. [2021-12-16 09:47:21,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-16 09:47:21,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-12-16 09:47:21,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-12-16 09:47:21,467 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 13 letters. Loop has 2 letters. [2021-12-16 09:47:21,467 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:47:21,467 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 15 letters. Loop has 2 letters. [2021-12-16 09:47:21,467 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:47:21,467 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 13 letters. Loop has 4 letters. [2021-12-16 09:47:21,467 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:47:21,467 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2021-12-16 09:47:21,468 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-16 09:47:21,468 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 29 states and 35 transitions. [2021-12-16 09:47:21,468 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-12-16 09:47:21,468 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-12-16 09:47:21,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 35 transitions. [2021-12-16 09:47:21,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:47:21,469 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 35 transitions. [2021-12-16 09:47:21,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 35 transitions. [2021-12-16 09:47:21,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2021-12-16 09:47:21,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 27 states have internal predecessors, (34), 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) [2021-12-16 09:47:21,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2021-12-16 09:47:21,470 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-12-16 09:47:21,470 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-12-16 09:47:21,470 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-16 09:47:21,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 34 transitions. [2021-12-16 09:47:21,471 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-16 09:47:21,471 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:47:21,471 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:47:21,471 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:47:21,471 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:47:21,472 INFO L791 eck$LassoCheckResult]: Stem: 820#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 821#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 824#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 825#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 842#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 840#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 841#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 843#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 844#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 834#L74-4 q1_~i~1#1 := 0; 835#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 826#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 827#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 822#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 823#L18-3 [2021-12-16 09:47:21,472 INFO L793 eck$LassoCheckResult]: Loop: 823#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 837#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 838#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 830#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 831#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 839#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 836#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 823#L18-3 [2021-12-16 09:47:21,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:21,472 INFO L85 PathProgramCache]: Analyzing trace with hash 2075806767, now seen corresponding path program 1 times [2021-12-16 09:47:21,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:21,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411103260] [2021-12-16 09:47:21,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:21,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:21,479 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:47:21,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [497107609] [2021-12-16 09:47:21,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:21,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:47:21,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:21,480 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:47:21,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2021-12-16 09:47:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:21,526 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:21,545 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:21,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:21,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 3 times [2021-12-16 09:47:21,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:21,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723620389] [2021-12-16 09:47:21,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:21,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:21,550 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:21,555 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:21,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:21,555 INFO L85 PathProgramCache]: Analyzing trace with hash -548718141, now seen corresponding path program 1 times [2021-12-16 09:47:21,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:21,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441484657] [2021-12-16 09:47:21,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:21,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:21,561 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:47:21,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1896027746] [2021-12-16 09:47:21,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:21,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:47:21,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:21,563 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:47:21,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2021-12-16 09:47:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:21,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 09:47:21,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:47:21,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-16 09:47:21,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 09:47:21,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-16 09:47:21,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:47:21,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441484657] [2021-12-16 09:47:21,706 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-16 09:47:21,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896027746] [2021-12-16 09:47:21,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896027746] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 09:47:21,707 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-16 09:47:21,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-12-16 09:47:21,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008850457] [2021-12-16 09:47:21,707 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-16 09:47:21,749 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 [2021-12-16 09:47:21,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:47:21,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 09:47:21,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-16 09:47:21,850 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2021-12-16 09:47:21,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:47:21,912 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2021-12-16 09:47:21,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 09:47:21,913 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2021-12-16 09:47:21,914 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-16 09:47:21,914 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 28 states and 33 transitions. [2021-12-16 09:47:21,914 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-12-16 09:47:21,914 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-12-16 09:47:21,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2021-12-16 09:47:21,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:47:21,914 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-12-16 09:47:21,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2021-12-16 09:47:21,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2021-12-16 09:47:21,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 states have internal predecessors, (29), 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) [2021-12-16 09:47:21,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-12-16 09:47:21,916 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-12-16 09:47:21,916 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-12-16 09:47:21,916 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-16 09:47:21,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2021-12-16 09:47:21,916 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-16 09:47:21,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:47:21,916 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:47:21,917 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:47:21,917 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:47:21,917 INFO L791 eck$LassoCheckResult]: Stem: 1021#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 1022#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 1025#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 1026#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 1043#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 1041#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 1042#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1033#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 1034#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1044#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 1045#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1035#L74-4 q1_~i~1#1 := 0; 1036#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1027#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 1028#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1029#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 1030#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1023#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 1024#L18-3 [2021-12-16 09:47:21,917 INFO L793 eck$LassoCheckResult]: Loop: 1024#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 1038#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1039#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1031#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1032#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 1040#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1037#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 1024#L18-3 [2021-12-16 09:47:21,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:21,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1273080179, now seen corresponding path program 2 times [2021-12-16 09:47:21,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:21,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061558804] [2021-12-16 09:47:21,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:21,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:21,925 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:47:21,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1029232083] [2021-12-16 09:47:21,925 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-16 09:47:21,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:47:21,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:21,926 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:47:21,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2021-12-16 09:47:21,984 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-16 09:47:21,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-16 09:47:21,984 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:22,007 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:22,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:22,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 4 times [2021-12-16 09:47:22,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:22,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184597469] [2021-12-16 09:47:22,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:22,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:22,014 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:22,020 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:22,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:22,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1247881215, now seen corresponding path program 2 times [2021-12-16 09:47:22,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:47:22,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169791136] [2021-12-16 09:47:22,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:47:22,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:47:22,029 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:47:22,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1268889590] [2021-12-16 09:47:22,029 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-16 09:47:22,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:47:22,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:22,039 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:47:22,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-12-16 09:47:22,114 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-16 09:47:22,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-16 09:47:22,114 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:47:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:47:22,146 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:47:25,100 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:47:25,101 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:47:25,101 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:47:25,101 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:47:25,101 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:47:25,101 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:25,101 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:47:25,101 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:47:25,101 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration11_Lasso [2021-12-16 09:47:25,101 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:47:25,101 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:47:25,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:25,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:47:26,936 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:47:26,937 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:47:26,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:26,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:26,940 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) [2021-12-16 09:47:26,942 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 [2021-12-16 09:47:26,943 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 [2021-12-16 09:47:26,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:26,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:26,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:26,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:26,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:26,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:26,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:26,966 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 [2021-12-16 09:47:26,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:26,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:26,968 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) [2021-12-16 09:47:26,969 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 [2021-12-16 09:47:26,969 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 [2021-12-16 09:47:26,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:26,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:26,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:26,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:26,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:26,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:26,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:26,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:26,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:26,992 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:26,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:26,993 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) [2021-12-16 09:47:26,993 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 [2021-12-16 09:47:26,995 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 [2021-12-16 09:47:27,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:27,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,001 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:27,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:27,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,017 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 [2021-12-16 09:47:27,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,020 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) [2021-12-16 09:47:27,021 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 [2021-12-16 09:47:27,022 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 [2021-12-16 09:47:27,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:27,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:27,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:27,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,044 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 [2021-12-16 09:47:27,044 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,045 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) [2021-12-16 09:47:27,045 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 [2021-12-16 09:47:27,046 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 [2021-12-16 09:47:27,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:27,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:27,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:27,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,073 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 [2021-12-16 09:47:27,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,075 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) [2021-12-16 09:47:27,075 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 [2021-12-16 09:47:27,077 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 [2021-12-16 09:47:27,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:27,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:27,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:27,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,099 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 [2021-12-16 09:47:27,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,100 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) [2021-12-16 09:47:27,100 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 [2021-12-16 09:47:27,101 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 [2021-12-16 09:47:27,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:27,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:27,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-16 09:47:27,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,129 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) [2021-12-16 09:47:27,130 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 [2021-12-16 09:47:27,131 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 [2021-12-16 09:47:27,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:27,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:27,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:27,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,153 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 [2021-12-16 09:47:27,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,154 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) [2021-12-16 09:47:27,155 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 [2021-12-16 09:47:27,156 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 [2021-12-16 09:47:27,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:27,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:27,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:27,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:27,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,185 INFO L229 MonitoredProcess]: Starting monitored process 58 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) [2021-12-16 09:47:27,188 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 [2021-12-16 09:47:27,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:27,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:27,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:27,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-16 09:47:27,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-16 09:47:27,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,218 INFO L229 MonitoredProcess]: Starting monitored process 59 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) [2021-12-16 09:47:27,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-16 09:47:27,220 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 [2021-12-16 09:47:27,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:27,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:27,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:27,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-16 09:47:27,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,243 INFO L229 MonitoredProcess]: Starting monitored process 60 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) [2021-12-16 09:47:27,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-16 09:47:27,245 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 [2021-12-16 09:47:27,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:27,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:27,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:27,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-16 09:47:27,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,282 INFO L229 MonitoredProcess]: Starting monitored process 61 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) [2021-12-16 09:47:27,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-16 09:47:27,285 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 [2021-12-16 09:47:27,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:27,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:27,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:27,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,344 INFO L229 MonitoredProcess]: Starting monitored process 62 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) [2021-12-16 09:47:27,347 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 [2021-12-16 09:47:27,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:27,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:27,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-16 09:47:27,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-16 09:47:27,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,387 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2021-12-16 09:47:27,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-16 09:47:27,389 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 [2021-12-16 09:47:27,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:27,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:27,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:27,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-16 09:47:27,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,411 INFO L229 MonitoredProcess]: Starting monitored process 64 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) [2021-12-16 09:47:27,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-16 09:47:27,413 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 [2021-12-16 09:47:27,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:27,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:27,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:27,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:27,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,436 INFO L229 MonitoredProcess]: Starting monitored process 65 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) [2021-12-16 09:47:27,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-16 09:47:27,438 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 [2021-12-16 09:47:27,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:27,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,444 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:27,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:27,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:27,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,461 INFO L229 MonitoredProcess]: Starting monitored process 66 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) [2021-12-16 09:47:27,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-16 09:47:27,463 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 [2021-12-16 09:47:27,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:27,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:27,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-16 09:47:27,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,491 INFO L229 MonitoredProcess]: Starting monitored process 67 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) [2021-12-16 09:47:27,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-16 09:47:27,493 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 [2021-12-16 09:47:27,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:27,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:27,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:27,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-16 09:47:27,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,516 INFO L229 MonitoredProcess]: Starting monitored process 68 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) [2021-12-16 09:47:27,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-16 09:47:27,518 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 [2021-12-16 09:47:27,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:27,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:27,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:27,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:27,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,541 INFO L229 MonitoredProcess]: Starting monitored process 69 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) [2021-12-16 09:47:27,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-16 09:47:27,543 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 [2021-12-16 09:47:27,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:27,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:27,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:27,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,568 INFO L229 MonitoredProcess]: Starting monitored process 70 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) [2021-12-16 09:47:27,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-16 09:47:27,570 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 [2021-12-16 09:47:27,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:27,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:27,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-16 09:47:27,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,609 INFO L229 MonitoredProcess]: Starting monitored process 71 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) [2021-12-16 09:47:27,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-16 09:47:27,611 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 [2021-12-16 09:47:27,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:27,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:27,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-12-16 09:47:27,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,635 INFO L229 MonitoredProcess]: Starting monitored process 72 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) [2021-12-16 09:47:27,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-16 09:47:27,637 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 [2021-12-16 09:47:27,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:27,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:27,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-12-16 09:47:27,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,664 INFO L229 MonitoredProcess]: Starting monitored process 73 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) [2021-12-16 09:47:27,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-16 09:47:27,666 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 [2021-12-16 09:47:27,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,673 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:27,673 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:27,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-12-16 09:47:27,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,691 INFO L229 MonitoredProcess]: Starting monitored process 74 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) [2021-12-16 09:47:27,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-16 09:47:27,693 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 [2021-12-16 09:47:27,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,700 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:27,700 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:27,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-12-16 09:47:27,717 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,718 INFO L229 MonitoredProcess]: Starting monitored process 75 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) [2021-12-16 09:47:27,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-16 09:47:27,720 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 [2021-12-16 09:47:27,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:27,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:27,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-12-16 09:47:27,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,749 INFO L229 MonitoredProcess]: Starting monitored process 76 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) [2021-12-16 09:47:27,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-16 09:47:27,750 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 [2021-12-16 09:47:27,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:27,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:27,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:27,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,776 INFO L229 MonitoredProcess]: Starting monitored process 77 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) [2021-12-16 09:47:27,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-16 09:47:27,777 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 [2021-12-16 09:47:27,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:27,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:27,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-12-16 09:47:27,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,804 INFO L229 MonitoredProcess]: Starting monitored process 78 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) [2021-12-16 09:47:27,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-16 09:47:27,806 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 [2021-12-16 09:47:27,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:47:27,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:47:27,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:47:27,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:27,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,829 INFO L229 MonitoredProcess]: Starting monitored process 79 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) [2021-12-16 09:47:27,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-16 09:47:27,830 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 [2021-12-16 09:47:27,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:27,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:27,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-12-16 09:47:27,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,856 INFO L229 MonitoredProcess]: Starting monitored process 80 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) [2021-12-16 09:47:27,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-16 09:47:27,857 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 [2021-12-16 09:47:27,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:47:27,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:47:27,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:27,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:47:27,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-12-16 09:47:27,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:27,890 INFO L229 MonitoredProcess]: Starting monitored process 81 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) [2021-12-16 09:47:27,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-16 09:47:27,891 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 [2021-12-16 09:47:27,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:47:27,898 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-16 09:47:27,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:47:27,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:47:27,913 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-12-16 09:47:27,913 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:47:27,926 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 09:47:27,996 INFO L443 ModelExtractionUtils]: Simplification made 35 calls to the SMT solver. [2021-12-16 09:47:27,996 INFO L444 ModelExtractionUtils]: 8 out of 37 variables were initially zero. Simplification set additionally 23 variables to zero. [2021-12-16 09:47:27,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:47:27,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:47:28,003 INFO L229 MonitoredProcess]: Starting monitored process 82 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) [2021-12-16 09:47:28,008 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 09:47:28,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-16 09:47:28,032 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-16 09:47:28,032 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 09:47:28,033 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_q1_~r~0#1, ULTIMATE.start_bubblesort_~a~0#1) = 5*ULTIMATE.start_q1_~r~0#1 - 4*ULTIMATE.start_bubblesort_~a~0#1 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_q1_~#a~1#1.base)_3 + 1*ULTIMATE.start_bubblesort_~item#1.offset + 8 >= 0] [2021-12-16 09:47:28,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:28,105 INFO L297 tatePredicateManager]: 19 out of 22 supporting invariants were superfluous and have been removed [2021-12-16 09:47:28,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:28,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-16 09:47:28,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:47:28,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-16 09:47:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:28,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-16 09:47:28,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:47:28,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:47:28,838 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 3 loop predicates [2021-12-16 09:47:28,838 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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) [2021-12-16 09:47:28,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:29,057 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7. Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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 44 states and 52 transitions. Complement of second has 11 states. [2021-12-16 09:47:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-16 09:47:29,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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) [2021-12-16 09:47:29,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 37 transitions. [2021-12-16 09:47:29,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 18 letters. Loop has 7 letters. [2021-12-16 09:47:29,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:47:29,058 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-16 09:47:29,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:29,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-16 09:47:29,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:47:29,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-16 09:47:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:29,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-16 09:47:29,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:47:29,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:47:29,595 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.9 stem predicates 3 loop predicates [2021-12-16 09:47:29,595 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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) [2021-12-16 09:47:29,781 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7. Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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 44 states and 53 transitions. Complement of second has 11 states. [2021-12-16 09:47:29,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-16 09:47:29,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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) [2021-12-16 09:47:29,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 37 transitions. [2021-12-16 09:47:29,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 18 letters. Loop has 7 letters. [2021-12-16 09:47:29,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:47:29,783 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-16 09:47:29,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:29,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-16 09:47:29,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:47:29,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-16 09:47:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:30,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-16 09:47:30,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:47:30,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:47:30,355 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.9 stem predicates 3 loop predicates [2021-12-16 09:47:30,355 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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) [2021-12-16 09:47:30,529 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7. Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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 53 states and 64 transitions. Complement of second has 11 states. [2021-12-16 09:47:30,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-16 09:47:30,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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) [2021-12-16 09:47:30,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 55 transitions. [2021-12-16 09:47:30,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 55 transitions. Stem has 18 letters. Loop has 7 letters. [2021-12-16 09:47:30,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:47:30,531 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-16 09:47:30,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:30,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-16 09:47:30,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:47:30,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-16 09:47:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:31,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-16 09:47:31,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:47:31,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:47:31,174 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.9 stem predicates 3 loop predicates [2021-12-16 09:47:31,174 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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) [2021-12-16 09:47:31,368 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7. Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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 53 states and 64 transitions. Complement of second has 11 states. [2021-12-16 09:47:31,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-16 09:47:31,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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) [2021-12-16 09:47:31,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 55 transitions. [2021-12-16 09:47:31,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 55 transitions. Stem has 18 letters. Loop has 7 letters. [2021-12-16 09:47:31,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:47:31,370 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-16 09:47:31,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:47:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:31,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-16 09:47:31,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:47:31,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-16 09:47:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:47:31,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-16 09:47:31,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:47:32,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:47:32,022 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.9 stem predicates 3 loop predicates [2021-12-16 09:47:32,022 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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) [2021-12-16 09:47:32,305 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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 236 states and 358 transitions. Complement of second has 29 states 11 powerset states18 rank states. The highest rank that occured is 1 [2021-12-16 09:47:32,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-16 09:47:32,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 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) [2021-12-16 09:47:32,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 122 transitions. [2021-12-16 09:47:32,307 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 122 transitions. Stem has 18 letters. Loop has 7 letters. [2021-12-16 09:47:32,308 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:47:32,308 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-16 09:47:32,309 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:549) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-16 09:47:32,312 INFO L158 Benchmark]: Toolchain (without parser) took 20071.55ms. Allocated memory was 94.4MB in the beginning and 172.0MB in the end (delta: 77.6MB). Free memory was 61.2MB in the beginning and 82.0MB in the end (delta: -20.7MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2021-12-16 09:47:32,313 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 94.4MB. Free memory was 48.8MB in the beginning and 48.8MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:47:32,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.45ms. Allocated memory is still 94.4MB. Free memory was 61.1MB in the beginning and 69.5MB in the end (delta: -8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 09:47:32,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.31ms. Allocated memory is still 94.4MB. Free memory was 69.5MB in the beginning and 67.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 09:47:32,313 INFO L158 Benchmark]: Boogie Preprocessor took 23.20ms. Allocated memory is still 94.4MB. Free memory was 67.5MB in the beginning and 66.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:47:32,314 INFO L158 Benchmark]: RCFGBuilder took 255.45ms. Allocated memory is still 94.4MB. Free memory was 66.1MB in the beginning and 54.1MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-16 09:47:32,314 INFO L158 Benchmark]: BuchiAutomizer took 19509.78ms. Allocated memory was 94.4MB in the beginning and 172.0MB in the end (delta: 77.6MB). Free memory was 53.8MB in the beginning and 82.0MB in the end (delta: -28.2MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2021-12-16 09:47:32,315 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 94.4MB. Free memory was 48.8MB in the beginning and 48.8MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.45ms. Allocated memory is still 94.4MB. Free memory was 61.1MB in the beginning and 69.5MB in the end (delta: -8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.31ms. Allocated memory is still 94.4MB. Free memory was 69.5MB in the beginning and 67.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.20ms. Allocated memory is still 94.4MB. Free memory was 67.5MB in the beginning and 66.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 255.45ms. Allocated memory is still 94.4MB. Free memory was 66.1MB in the beginning and 54.1MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 19509.78ms. Allocated memory was 94.4MB in the beginning and 172.0MB in the end (delta: 77.6MB). Free memory was 53.8MB in the beginning and 82.0MB in the end (delta: -28.2MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-16 09:47:32,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2021-12-16 09:47:32,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2021-12-16 09:47:32,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2021-12-16 09:47:32,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:33,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2021-12-16 09:47:33,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-12-16 09:47:33,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2021-12-16 09:47:33,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-12-16 09:47:33,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-12-16 09:47:34,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-12-16 09:47:34,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-12-16 09:47:34,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-12-16 09:47:34,748 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient