./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/array06_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-15/array06_alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0813819187e9a2abc800e062dc2a3ce48468372a35f94a85a0472def328bf451 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 19:54:49,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 19:54:49,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 19:54:49,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 19:54:49,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 19:54:49,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 19:54:49,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 19:54:49,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 19:54:49,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 19:54:49,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 19:54:49,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 19:54:49,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 19:54:49,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 19:54:49,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 19:54:49,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 19:54:49,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 19:54:49,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 19:54:49,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 19:54:49,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 19:54:49,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 19:54:49,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 19:54:49,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 19:54:49,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 19:54:49,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 19:54:49,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 19:54:49,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 19:54:49,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 19:54:49,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 19:54:49,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 19:54:49,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 19:54:49,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 19:54:49,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 19:54:49,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 19:54:49,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 19:54:49,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 19:54:49,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 19:54:49,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 19:54:49,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 19:54:49,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 19:54:49,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 19:54:49,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 19:54:49,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-22 19:54:49,488 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 19:54:49,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 19:54:49,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 19:54:49,489 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 19:54:49,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 19:54:49,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 19:54:49,490 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 19:54:49,490 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 19:54:49,490 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 19:54:49,491 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 19:54:49,491 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 19:54:49,491 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 19:54:49,491 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 19:54:49,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 19:54:49,492 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 19:54:49,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 19:54:49,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 19:54:49,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 19:54:49,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 19:54:49,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 19:54:49,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 19:54:49,493 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 19:54:49,493 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 19:54:49,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 19:54:49,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 19:54:49,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 19:54:49,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 19:54:49,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 19:54:49,494 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 19:54:49,495 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 19:54:49,495 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0813819187e9a2abc800e062dc2a3ce48468372a35f94a85a0472def328bf451 [2021-12-22 19:54:49,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 19:54:49,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 19:54:49,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 19:54:49,661 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 19:54:49,662 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 19:54:49,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/array06_alloca.i [2021-12-22 19:54:49,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2a03c407/f2bfc079dbd74106b74f6a50d86eee12/FLAG2f35cd493 [2021-12-22 19:54:50,146 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 19:54:50,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/array06_alloca.i [2021-12-22 19:54:50,155 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2a03c407/f2bfc079dbd74106b74f6a50d86eee12/FLAG2f35cd493 [2021-12-22 19:54:50,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2a03c407/f2bfc079dbd74106b74f6a50d86eee12 [2021-12-22 19:54:50,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 19:54:50,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 19:54:50,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 19:54:50,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 19:54:50,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 19:54:50,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:54:50" (1/1) ... [2021-12-22 19:54:50,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301b44c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:54:50, skipping insertion in model container [2021-12-22 19:54:50,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:54:50" (1/1) ... [2021-12-22 19:54:50,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 19:54:50,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 19:54:50,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 19:54:50,419 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 19:54:50,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 19:54:50,464 INFO L208 MainTranslator]: Completed translation [2021-12-22 19:54:50,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:54:50 WrapperNode [2021-12-22 19:54:50,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 19:54:50,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 19:54:50,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 19:54:50,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 19:54:50,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:54:50" (1/1) ... [2021-12-22 19:54:50,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:54:50" (1/1) ... [2021-12-22 19:54:50,498 INFO L137 Inliner]: procedures = 151, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2021-12-22 19:54:50,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 19:54:50,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 19:54:50,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 19:54:50,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 19:54:50,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:54:50" (1/1) ... [2021-12-22 19:54:50,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:54:50" (1/1) ... [2021-12-22 19:54:50,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:54:50" (1/1) ... [2021-12-22 19:54:50,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:54:50" (1/1) ... [2021-12-22 19:54:50,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:54:50" (1/1) ... [2021-12-22 19:54:50,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:54:50" (1/1) ... [2021-12-22 19:54:50,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:54:50" (1/1) ... [2021-12-22 19:54:50,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 19:54:50,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 19:54:50,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 19:54:50,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 19:54:50,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:54:50" (1/1) ... [2021-12-22 19:54:50,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:50,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:50,580 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) [2021-12-22 19:54:50,612 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 [2021-12-22 19:54:50,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 19:54:50,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 19:54:50,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 19:54:50,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 19:54:50,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 19:54:50,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 19:54:50,745 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 19:54:50,746 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 19:54:50,899 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 19:54:50,903 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 19:54:50,903 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-22 19:54:50,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:54:50 BoogieIcfgContainer [2021-12-22 19:54:50,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 19:54:50,906 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 19:54:50,906 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 19:54:50,908 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 19:54:50,909 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 19:54:50,909 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 07:54:50" (1/3) ... [2021-12-22 19:54:50,909 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50ef02c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 07:54:50, skipping insertion in model container [2021-12-22 19:54:50,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 19:54:50,910 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:54:50" (2/3) ... [2021-12-22 19:54:50,910 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50ef02c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 07:54:50, skipping insertion in model container [2021-12-22 19:54:50,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 19:54:50,910 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:54:50" (3/3) ... [2021-12-22 19:54:50,911 INFO L388 chiAutomizerObserver]: Analyzing ICFG array06_alloca.i [2021-12-22 19:54:50,942 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 19:54:50,943 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 19:54:50,943 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 19:54:50,943 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 19:54:50,943 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 19:54:50,943 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 19:54:50,943 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 19:54:50,943 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 19:54:50,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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) [2021-12-22 19:54:50,979 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2021-12-22 19:54:50,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:54:50,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:54:50,984 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-22 19:54:50,985 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-22 19:54:50,985 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 19:54:50,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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) [2021-12-22 19:54:50,986 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2021-12-22 19:54:50,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:54:50,986 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:54:50,987 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-22 19:54:50,987 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-22 19:54:50,993 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~post207#1, main_#t~mem209#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 12#L367true assume !(main_~length~0#1 < 1); 9#L367-2true call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 6#L369true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 7#L370-3true [2021-12-22 19:54:50,994 INFO L793 eck$LassoCheckResult]: Loop: 7#L370-3true assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 13#L370-2true main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 7#L370-3true [2021-12-22 19:54:50,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:54:50,998 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2021-12-22 19:54:51,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:54:51,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376498874] [2021-12-22 19:54:51,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:54:51,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:54:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:51,075 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:54:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:51,116 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:54:51,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:54:51,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1667, now seen corresponding path program 1 times [2021-12-22 19:54:51,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:54:51,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65616493] [2021-12-22 19:54:51,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:54:51,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:54:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:51,151 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:54:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:51,164 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:54:51,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:54:51,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815563, now seen corresponding path program 1 times [2021-12-22 19:54:51,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:54:51,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863168473] [2021-12-22 19:54:51,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:54:51,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:54:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:51,193 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:54:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:51,221 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:54:51,422 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 19:54:51,423 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 19:54:51,424 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 19:54:51,424 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 19:54:51,424 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 19:54:51,424 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:51,424 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 19:54:51,424 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 19:54:51,425 INFO L133 ssoRankerPreferences]: Filename of dumped script: array06_alloca.i_Iteration1_Lasso [2021-12-22 19:54:51,425 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 19:54:51,425 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 19:54:51,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:51,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:51,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:51,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:51,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:51,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:51,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:51,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:51,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:51,708 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 19:54:51,711 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 19:54:51,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:51,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:51,744 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) [2021-12-22 19:54:51,745 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 [2021-12-22 19:54:51,748 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 [2021-12-22 19:54:51,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:51,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:51,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:51,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:51,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:51,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:54:51,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:51,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:51,792 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 [2021-12-22 19:54:51,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:51,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:51,795 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) [2021-12-22 19:54:51,796 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 [2021-12-22 19:54:51,797 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 [2021-12-22 19:54:51,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:51,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:51,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:51,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:51,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:54:51,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:54:51,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:51,839 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 [2021-12-22 19:54:51,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:51,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:51,841 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) [2021-12-22 19:54:51,845 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 [2021-12-22 19:54:51,845 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 [2021-12-22 19:54:51,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:51,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:51,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:51,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:51,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:51,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:54:51,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:51,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:51,911 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 [2021-12-22 19:54:51,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:51,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:51,913 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) [2021-12-22 19:54:51,914 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 [2021-12-22 19:54:51,915 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 [2021-12-22 19:54:51,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:51,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:51,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:51,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:51,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:51,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:54:51,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:51,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:51,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-22 19:54:51,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:51,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:51,958 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) [2021-12-22 19:54:51,959 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 [2021-12-22 19:54:51,961 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 [2021-12-22 19:54:51,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:51,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:51,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:51,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:51,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:51,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:54:51,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:51,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:51,999 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 [2021-12-22 19:54:52,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:52,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:52,001 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) [2021-12-22 19:54:52,052 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 [2021-12-22 19:54:52,052 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 [2021-12-22 19:54:52,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:52,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:52,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:52,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:52,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:52,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:54:52,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:52,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:52,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-22 19:54:52,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:52,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:52,092 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) [2021-12-22 19:54:52,093 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 [2021-12-22 19:54:52,095 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 [2021-12-22 19:54:52,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:52,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:52,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:52,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:52,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:54:52,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:54:52,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:52,138 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 [2021-12-22 19:54:52,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:52,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:52,140 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) [2021-12-22 19:54:52,141 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 [2021-12-22 19:54:52,142 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 [2021-12-22 19:54:52,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:52,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:52,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:52,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:52,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:52,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:54:52,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:52,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:52,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-22 19:54:52,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:52,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:52,182 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) [2021-12-22 19:54:52,183 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 [2021-12-22 19:54:52,184 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 [2021-12-22 19:54:52,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:52,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:52,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:52,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:52,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:54:52,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:54:52,215 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 19:54:52,243 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-22 19:54:52,243 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-12-22 19:54:52,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:52,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:52,246 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) [2021-12-22 19:54:52,272 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 [2021-12-22 19:54:52,272 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 19:54:52,279 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-22 19:54:52,279 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 19:54:52,280 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_1, ULTIMATE.start_main_~arr~0#1.offset) = -4*ULTIMATE.start_main_~i~0#1 + 2*v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_1 - 1*ULTIMATE.start_main_~arr~0#1.offset Supporting invariants [] [2021-12-22 19:54:52,304 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 [2021-12-22 19:54:52,314 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-12-22 19:54:52,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:54:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:54:52,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 19:54:52,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:54:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:54:52,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-22 19:54:52,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:54:52,397 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 [2021-12-22 19:54:52,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:54:52,442 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 [2021-12-22 19:54:52,443 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 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) [2021-12-22 19:54:52,473 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 40 transitions. Complement of second has 7 states. [2021-12-22 19:54:52,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-22 19:54:52,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:54:52,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2021-12-22 19:54:52,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-22 19:54:52,480 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:54:52,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-22 19:54:52,480 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:54:52,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 5 letters. Loop has 4 letters. [2021-12-22 19:54:52,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:54:52,481 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 40 transitions. [2021-12-22 19:54:52,483 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-22 19:54:52,485 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 10 states and 13 transitions. [2021-12-22 19:54:52,486 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-12-22 19:54:52,486 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-22 19:54:52,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2021-12-22 19:54:52,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 19:54:52,487 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-12-22 19:54:52,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2021-12-22 19:54:52,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-12-22 19:54:52,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 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) [2021-12-22 19:54:52,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-12-22 19:54:52,502 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-12-22 19:54:52,502 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-12-22 19:54:52,502 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-22 19:54:52,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-12-22 19:54:52,503 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-22 19:54:52,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:54:52,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:54:52,504 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:54:52,504 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-22 19:54:52,504 INFO L791 eck$LassoCheckResult]: Stem: 106#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 107#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~post207#1, main_#t~mem209#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 110#L367 assume !(main_~length~0#1 < 1); 104#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 105#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 108#L370-3 assume !(main_~i~0#1 < main_~length~0#1); 109#L370-4 main_~j~0#1 := 0; 103#L374-2 [2021-12-22 19:54:52,504 INFO L793 eck$LassoCheckResult]: Loop: 103#L374-2 assume !!(0 <= main_~j~0#1 && main_~j~0#1 < main_~length~0#1);call main_#t~mem209#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_#t~post210#1 := main_#t~mem209#1;call write~int(1 + main_#t~post210#1, main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_~j~0#1 := main_~j~0#1 + main_#t~post210#1;havoc main_#t~mem209#1;havoc main_#t~post210#1; 103#L374-2 [2021-12-22 19:54:52,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:54:52,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815505, now seen corresponding path program 1 times [2021-12-22 19:54:52,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:54:52,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751665653] [2021-12-22 19:54:52,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:54:52,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:54:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:54:52,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:54:52,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:54:52,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751665653] [2021-12-22 19:54:52,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751665653] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 19:54:52,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 19:54:52,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 19:54:52,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328713829] [2021-12-22 19:54:52,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 19:54:52,539 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-22 19:54:52,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:54:52,540 INFO L85 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times [2021-12-22 19:54:52,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:54:52,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827504938] [2021-12-22 19:54:52,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:54:52,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:54:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:52,545 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:54:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:52,549 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:54:52,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:54:52,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 19:54:52,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-22 19:54:52,586 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2021-12-22 19:54:52,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:54:52,601 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2021-12-22 19:54:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 19:54:52,602 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2021-12-22 19:54:52,603 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-22 19:54:52,604 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2021-12-22 19:54:52,604 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-12-22 19:54:52,604 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-22 19:54:52,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2021-12-22 19:54:52,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 19:54:52,604 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-12-22 19:54:52,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2021-12-22 19:54:52,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-12-22 19:54:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-12-22 19:54:52,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-12-22 19:54:52,605 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-12-22 19:54:52,606 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-12-22 19:54:52,606 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-22 19:54:52,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2021-12-22 19:54:52,606 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-22 19:54:52,606 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:54:52,606 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:54:52,607 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:54:52,607 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-22 19:54:52,607 INFO L791 eck$LassoCheckResult]: Stem: 132#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 133#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~post207#1, main_#t~mem209#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 138#L367 assume !(main_~length~0#1 < 1); 134#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 135#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 136#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 139#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 140#L370-3 assume !(main_~i~0#1 < main_~length~0#1); 137#L370-4 main_~j~0#1 := 0; 131#L374-2 [2021-12-22 19:54:52,607 INFO L793 eck$LassoCheckResult]: Loop: 131#L374-2 assume !!(0 <= main_~j~0#1 && main_~j~0#1 < main_~length~0#1);call main_#t~mem209#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_#t~post210#1 := main_#t~mem209#1;call write~int(1 + main_#t~post210#1, main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_~j~0#1 := main_~j~0#1 + main_#t~post210#1;havoc main_#t~mem209#1;havoc main_#t~post210#1; 131#L374-2 [2021-12-22 19:54:52,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:54:52,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1182969107, now seen corresponding path program 1 times [2021-12-22 19:54:52,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:54:52,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442154640] [2021-12-22 19:54:52,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:54:52,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:54:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:52,616 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:54:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:52,623 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:54:52,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:54:52,624 INFO L85 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 2 times [2021-12-22 19:54:52,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:54:52,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314211906] [2021-12-22 19:54:52,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:54:52,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:54:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:52,629 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:54:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:52,633 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:54:52,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:54:52,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1982663310, now seen corresponding path program 1 times [2021-12-22 19:54:52,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:54:52,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10381745] [2021-12-22 19:54:52,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:54:52,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:54:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:52,644 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:54:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:52,653 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:54:52,818 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 19:54:52,818 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 19:54:52,818 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 19:54:52,818 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 19:54:52,819 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 19:54:52,819 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:52,819 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 19:54:52,819 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 19:54:52,819 INFO L133 ssoRankerPreferences]: Filename of dumped script: array06_alloca.i_Iteration3_Lasso [2021-12-22 19:54:52,819 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 19:54:52,819 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 19:54:52,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:52,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:52,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:52,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:52,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:52,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:52,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:52,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:52,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:53,147 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 19:54:53,148 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 19:54:53,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:53,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:53,151 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) [2021-12-22 19:54:53,153 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 [2021-12-22 19:54:53,154 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 [2021-12-22 19:54:53,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:53,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:53,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:53,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:53,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:53,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:54:53,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:53,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:53,194 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 [2021-12-22 19:54:53,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:53,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:53,195 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) [2021-12-22 19:54:53,197 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 [2021-12-22 19:54:53,198 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 [2021-12-22 19:54:53,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:53,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:53,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:53,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:53,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:53,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:54:53,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:53,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:53,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-22 19:54:53,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:53,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:53,253 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 19:54:53,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-22 19:54:53,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 19:54:53,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:53,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:53,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:53,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:53,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:54:53,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:54:53,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:53,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-22 19:54:53,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:53,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:53,302 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 19:54:53,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-22 19:54:53,305 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 [2021-12-22 19:54:53,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:53,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:53,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:53,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:53,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:53,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:54:53,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:53,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:53,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-22 19:54:53,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:53,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:53,344 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 19:54:53,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-22 19:54:53,346 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 [2021-12-22 19:54:53,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:53,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:53,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:53,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:53,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:54:53,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:54:53,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:53,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-22 19:54:53,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:53,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:53,388 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 19:54:53,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-22 19:54:53,390 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 [2021-12-22 19:54:53,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:53,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:53,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:53,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:53,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:54:53,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:54:53,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:53,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-22 19:54:53,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:53,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:53,443 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 19:54:53,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-22 19:54:53,445 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 [2021-12-22 19:54:53,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:53,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:53,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:53,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:53,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:54:53,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:54:53,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:53,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-22 19:54:53,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:53,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:53,525 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 19:54:53,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-22 19:54:53,529 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 [2021-12-22 19:54:53,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:53,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:53,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:53,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:53,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:54:53,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:54:53,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:53,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-22 19:54:53,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:53,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:53,578 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 19:54:53,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-22 19:54:53,593 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 [2021-12-22 19:54:53,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:53,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:53,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:53,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:53,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:53,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:54:53,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:53,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:53,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-22 19:54:53,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:53,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:53,676 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 19:54:53,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-22 19:54:53,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 19:54:53,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:53,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:53,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:53,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:53,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:53,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:54:53,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:53,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:53,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-22 19:54:53,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:53,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:53,774 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) [2021-12-22 19:54:53,792 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 [2021-12-22 19:54:53,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:53,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:53,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:53,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:53,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:53,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:54:53,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:53,802 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 [2021-12-22 19:54:53,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:53,829 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 [2021-12-22 19:54:53,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:53,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:53,830 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) [2021-12-22 19:54:53,831 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 [2021-12-22 19:54:53,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 19:54:53,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:53,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:53,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:53,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:53,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:54:53,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:54:53,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:53,869 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 [2021-12-22 19:54:53,869 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-22 19:54:53,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:53,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:53,870 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) [2021-12-22 19:54:53,871 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 [2021-12-22 19:54:53,872 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 [2021-12-22 19:54:53,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:53,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:53,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:53,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:53,879 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:54:53,880 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:54:53,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:53,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:53,909 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 [2021-12-22 19:54:53,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:53,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:53,911 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) [2021-12-22 19:54:53,912 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 [2021-12-22 19:54:53,913 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 [2021-12-22 19:54:53,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:53,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:53,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:53,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:53,920 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:54:53,920 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:54:53,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:53,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:53,947 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 [2021-12-22 19:54:53,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:53,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:53,948 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) [2021-12-22 19:54:53,949 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 [2021-12-22 19:54:53,950 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 [2021-12-22 19:54:53,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:53,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:53,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:53,957 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:54:53,959 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-22 19:54:53,959 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-22 19:54:53,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:54,003 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 [2021-12-22 19:54:54,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:54,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:54,005 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) [2021-12-22 19:54:54,006 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 [2021-12-22 19:54:54,007 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 [2021-12-22 19:54:54,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:54,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:54,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:54,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:54,014 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:54:54,014 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:54:54,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:54,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:54,047 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 [2021-12-22 19:54:54,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:54,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:54,049 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) [2021-12-22 19:54:54,058 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 [2021-12-22 19:54:54,066 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 [2021-12-22 19:54:54,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:54,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:54,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:54,073 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:54:54,078 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-22 19:54:54,078 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-22 19:54:54,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:54,121 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 [2021-12-22 19:54:54,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:54,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:54,123 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) [2021-12-22 19:54:54,139 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 [2021-12-22 19:54:54,140 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 [2021-12-22 19:54:54,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:54,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:54,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:54,147 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:54:54,150 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-22 19:54:54,150 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-22 19:54:54,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:54,181 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 [2021-12-22 19:54:54,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:54,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:54,183 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) [2021-12-22 19:54:54,183 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 [2021-12-22 19:54:54,186 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 [2021-12-22 19:54:54,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:54,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:54,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:54,193 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:54:54,203 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-22 19:54:54,203 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-22 19:54:54,219 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 19:54:54,286 INFO L443 ModelExtractionUtils]: Simplification made 34 calls to the SMT solver. [2021-12-22 19:54:54,286 INFO L444 ModelExtractionUtils]: 13 out of 51 variables were initially zero. Simplification set additionally 33 variables to zero. [2021-12-22 19:54:54,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:54,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:54,287 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) [2021-12-22 19:54:54,304 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 19:54:54,311 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 [2021-12-22 19:54:54,313 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 3. [2021-12-22 19:54:54,313 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 19:54:54,314 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 1*v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_2 - 2*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ (* ULTIMATE.start_main_~i~0#1 4) ULTIMATE.start_main_~arr~0#1.offset (- 4)))_1 f1 = 2*ULTIMATE.start_main_~length~0#1 - 2*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2021-12-22 19:54:54,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-22 19:54:54,343 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2021-12-22 19:54:54,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:54:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:54:54,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-22 19:54:54,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:54:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:54:54,429 WARN L261 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-22 19:54:54,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:54:54,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:54:54,431 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 1 loop predicates [2021-12-22 19:54:54,432 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) [2021-12-22 19:54:54,514 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) Result 18 states and 21 transitions. Complement of second has 6 states. [2021-12-22 19:54:54,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 0 non-accepting loop states 2 accepting loop states [2021-12-22 19:54:54,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) [2021-12-22 19:54:54,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2021-12-22 19:54:54,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 9 letters. Loop has 1 letters. [2021-12-22 19:54:54,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:54:54,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 10 letters. Loop has 1 letters. [2021-12-22 19:54:54,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:54:54,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 9 letters. Loop has 2 letters. [2021-12-22 19:54:54,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:54:54,516 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2021-12-22 19:54:54,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-22 19:54:54,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 15 states and 17 transitions. [2021-12-22 19:54:54,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-22 19:54:54,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-22 19:54:54,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2021-12-22 19:54:54,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 19:54:54,517 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-12-22 19:54:54,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2021-12-22 19:54:54,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12. [2021-12-22 19:54:54,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 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) [2021-12-22 19:54:54,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2021-12-22 19:54:54,518 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2021-12-22 19:54:54,518 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2021-12-22 19:54:54,518 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-22 19:54:54,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2021-12-22 19:54:54,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-22 19:54:54,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:54:54,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:54:54,519 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:54:54,519 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-22 19:54:54,519 INFO L791 eck$LassoCheckResult]: Stem: 241#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 242#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~post207#1, main_#t~mem209#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 247#L367 assume !(main_~length~0#1 < 1); 243#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 244#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 245#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 248#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 249#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 250#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 251#L370-3 assume !(main_~i~0#1 < main_~length~0#1); 246#L370-4 main_~j~0#1 := 0; 240#L374-2 [2021-12-22 19:54:54,519 INFO L793 eck$LassoCheckResult]: Loop: 240#L374-2 assume !!(0 <= main_~j~0#1 && main_~j~0#1 < main_~length~0#1);call main_#t~mem209#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_#t~post210#1 := main_#t~mem209#1;call write~int(1 + main_#t~post210#1, main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_~j~0#1 := main_~j~0#1 + main_#t~post210#1;havoc main_#t~mem209#1;havoc main_#t~post210#1; 240#L374-2 [2021-12-22 19:54:54,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:54:54,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1332965227, now seen corresponding path program 2 times [2021-12-22 19:54:54,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:54:54,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944320507] [2021-12-22 19:54:54,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:54:54,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:54:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:54,537 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:54:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:54,564 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:54:54,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:54:54,564 INFO L85 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 3 times [2021-12-22 19:54:54,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:54:54,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650065127] [2021-12-22 19:54:54,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:54:54,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:54:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:54,585 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:54:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:54,588 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:54:54,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:54:54,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1627750960, now seen corresponding path program 2 times [2021-12-22 19:54:54,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:54:54,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012583098] [2021-12-22 19:54:54,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:54:54,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:54:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:54,619 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:54:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:54:54,637 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:54:54,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-22 19:54:54,843 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 19:54:54,844 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 19:54:54,844 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 19:54:54,844 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 19:54:54,844 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 19:54:54,844 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:54,844 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 19:54:54,844 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 19:54:54,844 INFO L133 ssoRankerPreferences]: Filename of dumped script: array06_alloca.i_Iteration4_Lasso [2021-12-22 19:54:54,844 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 19:54:54,844 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 19:54:54,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:54,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:54,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:54,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:54,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:54,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:54,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:54,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:54,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:54,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:54:55,072 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 19:54:55,072 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 19:54:55,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,076 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) [2021-12-22 19:54:55,092 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 [2021-12-22 19:54:55,093 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 [2021-12-22 19:54:55,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:55,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:55,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:54:55,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:55,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,144 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 [2021-12-22 19:54:55,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,145 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) [2021-12-22 19:54:55,168 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 [2021-12-22 19:54:55,168 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 [2021-12-22 19:54:55,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:55,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:55,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:54:55,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:55,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-22 19:54:55,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,202 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) [2021-12-22 19:54:55,204 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 [2021-12-22 19:54:55,206 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 [2021-12-22 19:54:55,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:55,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:55,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:54:55,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:55,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,229 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 [2021-12-22 19:54:55,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,230 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) [2021-12-22 19:54:55,233 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 [2021-12-22 19:54:55,233 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 [2021-12-22 19:54:55,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:55,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:55,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:54:55,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:55,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,258 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 [2021-12-22 19:54:55,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,260 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) [2021-12-22 19:54:55,261 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 [2021-12-22 19:54:55,262 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 [2021-12-22 19:54:55,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:55,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:54:55,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:54:55,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,300 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 [2021-12-22 19:54:55,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,301 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) [2021-12-22 19:54:55,302 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 [2021-12-22 19:54:55,303 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 [2021-12-22 19:54:55,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:55,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:54:55,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:54:55,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,340 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 [2021-12-22 19:54:55,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,342 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) [2021-12-22 19:54:55,343 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 [2021-12-22 19:54:55,345 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 [2021-12-22 19:54:55,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:55,360 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:54:55,360 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:54:55,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,393 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 [2021-12-22 19:54:55,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,395 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) [2021-12-22 19:54:55,397 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 [2021-12-22 19:54:55,398 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 [2021-12-22 19:54:55,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:55,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:54:55,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:54:55,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,447 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 [2021-12-22 19:54:55,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,449 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) [2021-12-22 19:54:55,450 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 [2021-12-22 19:54:55,451 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 [2021-12-22 19:54:55,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:55,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:54:55,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:54:55,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-22 19:54:55,495 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,496 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) [2021-12-22 19:54:55,497 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 [2021-12-22 19:54:55,498 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 [2021-12-22 19:54:55,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:55,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:54:55,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:54:55,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,545 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 [2021-12-22 19:54:55,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,547 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) [2021-12-22 19:54:55,547 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 [2021-12-22 19:54:55,549 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 [2021-12-22 19:54:55,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:55,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:54:55,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:54:55,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,587 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 [2021-12-22 19:54:55,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,589 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) [2021-12-22 19:54:55,590 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 [2021-12-22 19:54:55,591 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 [2021-12-22 19:54:55,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:55,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:55,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:54:55,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:55,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-22 19:54:55,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,633 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) [2021-12-22 19:54:55,635 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 [2021-12-22 19:54:55,636 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 [2021-12-22 19:54:55,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:55,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:55,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:54:55,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:55,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,674 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 [2021-12-22 19:54:55,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,675 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 19:54:55,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-22 19:54:55,678 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 [2021-12-22 19:54:55,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:54:55,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:54:55,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:54:55,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-22 19:54:55,709 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-22 19:54:55,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,711 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 19:54:55,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-22 19:54:55,713 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 [2021-12-22 19:54:55,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:55,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,719 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:54:55,719 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:54:55,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:55,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-22 19:54:55,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,739 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 19:54:55,741 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 [2021-12-22 19:54:55,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:55,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,747 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:54:55,747 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:54:55,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:55,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-22 19:54:55,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-12-22 19:54:55,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,768 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 19:54:55,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-22 19:54:55,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 19:54:55,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:55,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,777 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:54:55,778 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:54:55,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:55,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-22 19:54:55,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,809 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) [2021-12-22 19:54:55,810 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 [2021-12-22 19:54:55,812 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 [2021-12-22 19:54:55,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:54:55,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,818 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:54:55,818 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:54:55,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:54:55,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-12-22 19:54:55,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,847 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) [2021-12-22 19:54:55,852 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 [2021-12-22 19:54:55,853 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 [2021-12-22 19:54:55,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,869 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:54:55,871 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-22 19:54:55,871 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-22 19:54:55,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,904 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 [2021-12-22 19:54:55,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,920 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) [2021-12-22 19:54:55,920 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 [2021-12-22 19:54:55,922 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 [2021-12-22 19:54:55,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,929 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:54:55,933 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-22 19:54:55,933 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-22 19:54:55,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:55,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-22 19:54:55,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:55,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:55,965 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) [2021-12-22 19:54:55,966 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 [2021-12-22 19:54:55,967 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 [2021-12-22 19:54:55,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:55,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:55,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:55,973 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:54:55,981 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-22 19:54:55,981 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-22 19:54:55,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:56,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-22 19:54:56,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:56,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:56,015 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) [2021-12-22 19:54:56,015 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 [2021-12-22 19:54:56,017 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 [2021-12-22 19:54:56,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:56,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:56,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:56,022 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:54:56,024 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-22 19:54:56,024 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-22 19:54:56,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:56,051 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 [2021-12-22 19:54:56,051 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:56,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:56,052 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) [2021-12-22 19:54:56,053 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 [2021-12-22 19:54:56,054 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 [2021-12-22 19:54:56,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:56,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:56,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:56,060 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:54:56,064 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-22 19:54:56,064 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-22 19:54:56,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:54:56,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-12-22 19:54:56,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:56,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:56,086 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) [2021-12-22 19:54:56,086 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 [2021-12-22 19:54:56,090 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 [2021-12-22 19:54:56,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:54:56,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:54:56,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:54:56,098 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:54:56,126 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-22 19:54:56,126 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-22 19:54:56,143 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 19:54:56,192 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2021-12-22 19:54:56,192 INFO L444 ModelExtractionUtils]: 11 out of 46 variables were initially zero. Simplification set additionally 30 variables to zero. [2021-12-22 19:54:56,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:54:56,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:54:56,194 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) [2021-12-22 19:54:56,206 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 19:54:56,215 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 [2021-12-22 19:54:56,217 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 3. [2021-12-22 19:54:56,217 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 19:54:56,217 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_2 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc206#1.base)_3 f1 = -2*ULTIMATE.start_main_~j~0#1 + 2*ULTIMATE.start_main_~length~0#1 Supporting invariants [] [2021-12-22 19:54:56,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-12-22 19:54:56,254 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2021-12-22 19:54:56,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:54:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:54:56,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-22 19:54:56,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:54:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:54:56,341 WARN L261 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-22 19:54:56,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:54:56,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:54:56,343 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2021-12-22 19:54:56,344 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2021-12-22 19:54:56,375 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) Result 13 states and 15 transitions. Complement of second has 3 states. [2021-12-22 19:54:56,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-22 19:54:56,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2021-12-22 19:54:56,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2021-12-22 19:54:56,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 11 letters. Loop has 1 letters. [2021-12-22 19:54:56,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:54:56,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 12 letters. Loop has 1 letters. [2021-12-22 19:54:56,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:54:56,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 11 letters. Loop has 2 letters. [2021-12-22 19:54:56,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:54:56,378 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2021-12-22 19:54:56,382 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 19:54:56,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2021-12-22 19:54:56,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-22 19:54:56,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-22 19:54:56,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-22 19:54:56,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 19:54:56,382 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 19:54:56,382 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 19:54:56,383 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 19:54:56,383 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-22 19:54:56,383 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-22 19:54:56,383 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 19:54:56,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-22 19:54:56,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.12 07:54:56 BoogieIcfgContainer [2021-12-22 19:54:56,403 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-22 19:54:56,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 19:54:56,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 19:54:56,404 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 19:54:56,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:54:50" (3/4) ... [2021-12-22 19:54:56,406 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-22 19:54:56,406 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 19:54:56,407 INFO L158 Benchmark]: Toolchain (without parser) took 6222.87ms. Allocated memory was 109.1MB in the beginning and 195.0MB in the end (delta: 86.0MB). Free memory was 83.1MB in the beginning and 150.1MB in the end (delta: -67.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2021-12-22 19:54:56,407 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 19:54:56,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.48ms. Allocated memory is still 109.1MB. Free memory was 82.9MB in the beginning and 78.7MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 19:54:56,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.28ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 77.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 19:54:56,408 INFO L158 Benchmark]: Boogie Preprocessor took 48.54ms. Allocated memory is still 109.1MB. Free memory was 77.0MB in the beginning and 75.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 19:54:56,408 INFO L158 Benchmark]: RCFGBuilder took 356.30ms. Allocated memory is still 109.1MB. Free memory was 75.7MB in the beginning and 66.1MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-22 19:54:56,409 INFO L158 Benchmark]: BuchiAutomizer took 5497.40ms. Allocated memory was 109.1MB in the beginning and 195.0MB in the end (delta: 86.0MB). Free memory was 66.1MB in the beginning and 151.2MB in the end (delta: -85.0MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2021-12-22 19:54:56,409 INFO L158 Benchmark]: Witness Printer took 2.92ms. Allocated memory is still 195.0MB. Free memory was 151.2MB in the beginning and 150.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 19:54:56,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.48ms. Allocated memory is still 109.1MB. Free memory was 82.9MB in the beginning and 78.7MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.28ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 77.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.54ms. Allocated memory is still 109.1MB. Free memory was 77.0MB in the beginning and 75.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.30ms. Allocated memory is still 109.1MB. Free memory was 75.7MB in the beginning and 66.1MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 5497.40ms. Allocated memory was 109.1MB in the beginning and 195.0MB in the end (delta: 86.0MB). Free memory was 66.1MB in the beginning and 151.2MB in the end (delta: -85.0MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * Witness Printer took 2.92ms. Allocated memory is still 195.0MB. Free memory was 151.2MB in the beginning and 150.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * unknown-#length-unknown[arr] + -4 * i + -1 * arr and consists of 5 locations. One deterministic module has 2-nested ranking function (if -2 * unknown-#memory_int-unknown[arr][i * 4 + arr + -4] + unknown-#length-unknown[arr] > 0 then 1 else 0), (if -2 * unknown-#memory_int-unknown[arr][i * 4 + arr + -4] + unknown-#length-unknown[arr] > 0 then -2 * unknown-#memory_int-unknown[arr][i * 4 + arr + -4] + unknown-#length-unknown[arr] else -2 * j + 2 * length) and consists of 5 locations. One deterministic module has 2-nested ranking function (if unknown-#length-unknown[__builtin_alloca(length*sizeof(int))] + -2 * unknown-#memory_int-unknown[arr][arr] > 0 then 1 else 0), (if unknown-#length-unknown[__builtin_alloca(length*sizeof(int))] + -2 * unknown-#memory_int-unknown[arr][arr] > 0 then unknown-#length-unknown[__builtin_alloca(length*sizeof(int))] + -2 * unknown-#memory_int-unknown[arr][arr] else -2 * j + 2 * length) and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.4s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 4.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 3. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 35 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital122 mio100 ax100 hnf100 lsp94 ukn86 mio100 lsp67 div100 bol100 ite100 ukn100 eq176 hnf90 smp97 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-22 19:54:56,451 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 [2021-12-22 19:54:56,647 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 Writing output log to file Ultimate.log Result: TRUE