./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/lis-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/lis-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa --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 4073cc5fe0afdc3910807054eaaf7f0047f472ba2d7a571a291a999e2fa35b78 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:12:24,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:12:24,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:12:24,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:12:24,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:12:24,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:12:24,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:12:24,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:12:24,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:12:24,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:12:24,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:12:24,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:12:24,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:12:24,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:12:24,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:12:24,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:12:24,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:12:24,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:12:24,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:12:24,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:12:24,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:12:24,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:12:24,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:12:24,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:12:24,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:12:24,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:12:24,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:12:24,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:12:24,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:12:24,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:12:24,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:12:24,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:12:24,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:12:24,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:12:24,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:12:24,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:12:24,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:12:24,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:12:24,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:12:24,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:12:24,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:12:24,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 19:12:24,513 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:12:24,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:12:24,514 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:12:24,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:12:24,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:12:24,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:12:24,515 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:12:24,515 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 19:12:24,516 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 19:12:24,516 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 19:12:24,516 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 19:12:24,516 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 19:12:24,516 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 19:12:24,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:12:24,517 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 19:12:24,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:12:24,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:12:24,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 19:12:24,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 19:12:24,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 19:12:24,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:12:24,517 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 19:12:24,517 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:12:24,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 19:12:24,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:12:24,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:12:24,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:12:24,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:12:24,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:12:24,519 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 19:12:24,519 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4073cc5fe0afdc3910807054eaaf7f0047f472ba2d7a571a291a999e2fa35b78 [2021-12-06 19:12:24,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:12:24,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:12:24,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:12:24,720 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:12:24,720 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:12:24,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-memory-alloca/lis-alloca-2.i [2021-12-06 19:12:24,765 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/data/b73152799/18786414ec5f4d4fb26d6dde3b0e3648/FLAG4c1e178af [2021-12-06 19:12:25,151 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:12:25,151 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/sv-benchmarks/c/termination-memory-alloca/lis-alloca-2.i [2021-12-06 19:12:25,160 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/data/b73152799/18786414ec5f4d4fb26d6dde3b0e3648/FLAG4c1e178af [2021-12-06 19:12:25,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/data/b73152799/18786414ec5f4d4fb26d6dde3b0e3648 [2021-12-06 19:12:25,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:12:25,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:12:25,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:12:25,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:12:25,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:12:25,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:12:25" (1/1) ... [2021-12-06 19:12:25,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bbc73fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:25, skipping insertion in model container [2021-12-06 19:12:25,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:12:25" (1/1) ... [2021-12-06 19:12:25,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:12:25,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:12:25,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:12:25,417 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:12:25,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:12:25,465 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:12:25,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:25 WrapperNode [2021-12-06 19:12:25,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:12:25,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:12:25,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:12:25,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:12:25,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:25" (1/1) ... [2021-12-06 19:12:25,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:25" (1/1) ... [2021-12-06 19:12:25,498 INFO L137 Inliner]: procedures = 111, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2021-12-06 19:12:25,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:12:25,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:12:25,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:12:25,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:12:25,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:25" (1/1) ... [2021-12-06 19:12:25,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:25" (1/1) ... [2021-12-06 19:12:25,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:25" (1/1) ... [2021-12-06 19:12:25,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:25" (1/1) ... [2021-12-06 19:12:25,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:25" (1/1) ... [2021-12-06 19:12:25,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:25" (1/1) ... [2021-12-06 19:12:25,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:25" (1/1) ... [2021-12-06 19:12:25,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:12:25,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:12:25,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:12:25,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:12:25,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:25" (1/1) ... [2021-12-06 19:12:25,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:25,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:25,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:25,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 19:12:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:12:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:12:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:12:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:12:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:12:25,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:12:25,640 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:12:25,641 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:12:25,751 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:12:25,755 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:12:25,755 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-06 19:12:25,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:12:25 BoogieIcfgContainer [2021-12-06 19:12:25,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:12:25,757 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 19:12:25,757 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 19:12:25,760 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 19:12:25,760 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:12:25,760 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 07:12:25" (1/3) ... [2021-12-06 19:12:25,761 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@394a2e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 07:12:25, skipping insertion in model container [2021-12-06 19:12:25,761 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:12:25,761 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:25" (2/3) ... [2021-12-06 19:12:25,762 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@394a2e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 07:12:25, skipping insertion in model container [2021-12-06 19:12:25,762 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:12:25,762 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:12:25" (3/3) ... [2021-12-06 19:12:25,763 INFO L388 chiAutomizerObserver]: Analyzing ICFG lis-alloca-2.i [2021-12-06 19:12:25,795 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 19:12:25,795 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 19:12:25,795 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 19:12:25,795 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 19:12:25,796 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 19:12:25,796 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 19:12:25,796 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 19:12:25,796 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 19:12:25,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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) [2021-12-06 19:12:25,822 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-06 19:12:25,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:12:25,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:12:25,828 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 19:12:25,828 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:12:25,828 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 19:12:25,828 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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) [2021-12-06 19:12:25,830 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-06 19:12:25,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:12:25,831 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:12:25,831 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 19:12:25,831 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:12:25,836 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 16#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 5#L565true assume !(main_~array_size~0#1 < 1); 20#L565-2true call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 7#L552-3true [2021-12-06 19:12:25,837 INFO L793 eck$LassoCheckResult]: Loop: 7#L552-3true assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 18#L552-2true lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 7#L552-3true [2021-12-06 19:12:25,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:25,841 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-12-06 19:12:25,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:25,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647961553] [2021-12-06 19:12:25,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:25,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:25,932 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:25,959 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:25,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:25,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-12-06 19:12:25,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:25,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107414136] [2021-12-06 19:12:25,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:25,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:25,973 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:25,982 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:25,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:25,983 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-12-06 19:12:25,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:25,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941088165] [2021-12-06 19:12:25,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:25,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:26,009 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:26,031 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:26,462 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:12:26,463 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:12:26,463 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:12:26,463 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:12:26,463 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:12:26,463 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:26,463 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:12:26,464 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:12:26,464 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration1_Lasso [2021-12-06 19:12:26,464 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:12:26,464 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:12:26,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:26,942 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:12:26,945 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:12:26,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:26,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:26,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:26,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 19:12:26,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:12:26,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:26,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:26,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:26,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:26,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:26,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:26,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:26,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:26,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:26,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:26,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:26,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:26,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 19:12:26,982 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 [2021-12-06 19:12:26,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:26,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:26,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:26,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:26,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:26,990 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:26,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:26,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 19:12:27,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,010 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 19:12:27,012 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 [2021-12-06 19:12:27,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:27,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:27,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:27,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 19:12:27,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,041 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 19:12:27,042 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 [2021-12-06 19:12:27,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:27,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:27,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:27,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,073 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 19:12:27,074 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 [2021-12-06 19:12:27,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:27,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:27,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 19:12:27,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,105 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 19:12:27,106 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 [2021-12-06 19:12:27,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:27,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:27,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:27,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 19:12:27,133 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,134 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 19:12:27,135 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 [2021-12-06 19:12:27,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:27,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:27,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:27,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 19:12:27,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,163 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 19:12:27,164 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 [2021-12-06 19:12:27,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:27,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:27,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:27,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 19:12:27,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,191 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 19:12:27,192 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 [2021-12-06 19:12:27,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,201 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:27,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:27,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 19:12:27,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,223 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 19:12:27,225 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 [2021-12-06 19:12:27,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:27,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:27,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 19:12:27,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,257 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 19:12:27,258 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 [2021-12-06 19:12:27,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:27,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:27,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:27,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:27,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,294 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 19:12:27,295 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 [2021-12-06 19:12:27,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:27,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:27,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:27,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 19:12:27,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,322 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 19:12:27,324 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 [2021-12-06 19:12:27,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:27,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:27,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:27,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 19:12:27,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,352 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 19:12:27,353 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 [2021-12-06 19:12:27,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:27,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:27,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:27,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:27,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,381 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 19:12:27,383 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 [2021-12-06 19:12:27,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:27,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:27,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:27,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 19:12:27,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,410 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 19:12:27,411 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 [2021-12-06 19:12:27,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:27,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:27,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 19:12:27,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,448 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 19:12:27,449 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 [2021-12-06 19:12:27,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,461 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:27,461 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:27,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 19:12:27,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,490 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 19:12:27,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:12:27,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:27,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:27,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:27,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 19:12:27,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,520 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 19:12:27,521 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 [2021-12-06 19:12:27,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:27,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:27,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:27,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:27,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,550 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 19:12:27,551 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 [2021-12-06 19:12:27,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:27,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:27,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:27,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:27,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,579 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 19:12:27,580 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 [2021-12-06 19:12:27,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:27,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:27,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:27,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 19:12:27,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,608 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 19:12:27,610 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 [2021-12-06 19:12:27,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:27,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,617 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:27,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:27,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 19:12:27,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,637 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 19:12:27,638 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 [2021-12-06 19:12:27,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:27,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:27,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:27,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 19:12:27,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,665 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 19:12:27,667 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 [2021-12-06 19:12:27,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:27,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:27,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 19:12:27,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,698 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 19:12:27,699 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 [2021-12-06 19:12:27,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:27,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:27,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:27,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:27,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,729 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 19:12:27,730 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 [2021-12-06 19:12:27,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:27,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:27,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 19:12:27,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,768 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 19:12:27,769 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 [2021-12-06 19:12:27,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:27,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:27,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 19:12:27,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,799 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 19:12:27,800 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 [2021-12-06 19:12:27,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:27,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:27,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:27,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,830 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 19:12:27,832 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 [2021-12-06 19:12:27,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:27,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:27,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:27,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 19:12:27,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,865 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 19:12:27,866 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 [2021-12-06 19:12:27,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:27,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:27,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:27,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:27,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:27,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:27,893 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:12:27,942 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2021-12-06 19:12:27,942 INFO L444 ModelExtractionUtils]: 23 out of 43 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-12-06 19:12:27,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:27,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:27,944 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:27,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 19:12:27,945 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:12:27,955 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 19:12:27,955 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:12:27,956 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_lis_~prev~0#1.base)_1, ULTIMATE.start_lis_~best~0#1.offset, ULTIMATE.start_lis_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_lis_~prev~0#1.base)_1 - 1*ULTIMATE.start_lis_~best~0#1.offset - 4*ULTIMATE.start_lis_~i~0#1 Supporting invariants [] [2021-12-06 19:12:27,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 19:12:28,012 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2021-12-06 19:12:28,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:28,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 19:12:28,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:28,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:12:28,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:28,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:12:28,121 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 [2021-12-06 19:12:28,122 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:12:28,167 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 64 transitions. Complement of second has 8 states. [2021-12-06 19:12:28,169 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 [2021-12-06 19:12:28,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:12:28,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2021-12-06 19:12:28,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-06 19:12:28,176 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:28,176 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-06 19:12:28,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:28,177 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 4 letters. [2021-12-06 19:12:28,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:28,178 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 64 transitions. [2021-12-06 19:12:28,181 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-06 19:12:28,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 18 states and 28 transitions. [2021-12-06 19:12:28,185 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-12-06 19:12:28,185 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-12-06 19:12:28,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 28 transitions. [2021-12-06 19:12:28,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:12:28,186 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 28 transitions. [2021-12-06 19:12:28,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 28 transitions. [2021-12-06 19:12:28,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-12-06 19:12:28,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 states have internal predecessors, (28), 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) [2021-12-06 19:12:28,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 28 transitions. [2021-12-06 19:12:28,207 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 28 transitions. [2021-12-06 19:12:28,207 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 28 transitions. [2021-12-06 19:12:28,207 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 19:12:28,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 28 transitions. [2021-12-06 19:12:28,208 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-06 19:12:28,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:12:28,208 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:12:28,209 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 19:12:28,209 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 19:12:28,209 INFO L791 eck$LassoCheckResult]: Stem: 184#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 185#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 178#L565 assume !(main_~array_size~0#1 < 1); 179#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 180#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 182#L552-4 lis_~i~0#1 := 1; 186#L554-3 [2021-12-06 19:12:28,209 INFO L793 eck$LassoCheckResult]: Loop: 186#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 187#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 188#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 186#L554-3 [2021-12-06 19:12:28,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:28,210 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-12-06 19:12:28,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:28,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579382810] [2021-12-06 19:12:28,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:28,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:28,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:12:28,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:28,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579382810] [2021-12-06 19:12:28,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579382810] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:28,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:28,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:12:28,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977616655] [2021-12-06 19:12:28,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:28,263 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:12:28,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:28,263 INFO L85 PathProgramCache]: Analyzing trace with hash 60785, now seen corresponding path program 1 times [2021-12-06 19:12:28,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:28,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622462615] [2021-12-06 19:12:28,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:28,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:28,268 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:28,272 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:28,289 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:12:28,289 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:12:28,289 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:12:28,289 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:12:28,289 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 19:12:28,289 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:28,289 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:12:28,289 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:12:28,289 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration2_Loop [2021-12-06 19:12:28,289 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:12:28,289 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:12:28,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:28,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:28,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:28,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:28,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:28,332 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:12:28,332 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 19:12:28,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:28,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:28,335 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:28,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 19:12:28,336 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 19:12:28,336 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 19:12:28,348 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 19:12:28,349 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_lis_#t~post5#1=0} Honda state: {ULTIMATE.start_lis_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 19:12:28,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-06 19:12:28,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:28,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:28,373 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:28,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 19:12:28,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 19:12:28,374 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 19:12:28,386 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 19:12:28,386 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_2=2} Honda state: {v_rep~unnamed0~0~P_PGID_2=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 19:12:28,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 19:12:28,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:28,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:28,406 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:28,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 19:12:28,407 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 19:12:28,407 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 19:12:28,423 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 19:12:28,423 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_2=1} Honda state: {v_rep~unnamed0~0~P_PID_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 19:12:28,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-06 19:12:28,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:28,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:28,447 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:28,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 19:12:28,448 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 19:12:28,448 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 19:12:28,460 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 19:12:28,461 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_ALL_2=0} Honda state: {v_rep~unnamed0~0~P_ALL_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 19:12:28,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-06 19:12:28,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:28,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:28,480 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:28,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 19:12:28,481 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 19:12:28,481 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 19:12:28,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-06 19:12:28,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:28,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:28,509 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:28,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 19:12:28,510 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 19:12:28,510 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 19:12:28,652 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 19:12:28,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:28,654 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:12:28,654 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:12:28,654 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:12:28,654 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:12:28,654 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:12:28,654 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:28,654 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:12:28,655 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:12:28,655 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration2_Loop [2021-12-06 19:12:28,655 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:12:28,655 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:12:28,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:28,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:28,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:28,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:28,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:28,693 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:12:28,693 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:12:28,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:28,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:28,694 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:28,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 19:12:28,695 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 [2021-12-06 19:12:28,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:28,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:28,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:28,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:28,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:28,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:28,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:28,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-06 19:12:28,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:28,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:28,730 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:28,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 19:12:28,731 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 [2021-12-06 19:12:28,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:28,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:28,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:28,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:28,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:28,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:28,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:28,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:28,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-06 19:12:28,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:28,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:28,759 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:28,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 19:12:28,765 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 [2021-12-06 19:12:28,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:28,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:28,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:28,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:28,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:28,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:28,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:28,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 19:12:28,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-06 19:12:28,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:28,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:28,794 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:28,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 19:12:28,795 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 [2021-12-06 19:12:28,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:28,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:28,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:28,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:28,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:28,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:28,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:28,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-06 19:12:28,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:28,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:28,824 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:28,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 19:12:28,826 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 [2021-12-06 19:12:28,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:28,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:28,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:28,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:28,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:28,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:28,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:28,837 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:12:28,841 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-06 19:12:28,841 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-06 19:12:28,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:28,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:28,842 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:28,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 19:12:28,843 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:12:28,843 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 19:12:28,843 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:12:28,843 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~N#1, ULTIMATE.start_lis_~i~0#1) = 1*ULTIMATE.start_lis_~N#1 - 1*ULTIMATE.start_lis_~i~0#1 Supporting invariants [] [2021-12-06 19:12:28,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-06 19:12:28,861 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 19:12:28,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:28,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:12:28,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:28,890 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 19:12:28,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:28,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:12:28,903 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 [2021-12-06 19:12:28,903 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 28 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:12:28,925 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 28 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 61 transitions. Complement of second has 8 states. [2021-12-06 19:12:28,925 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 [2021-12-06 19:12:28,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:12:28,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2021-12-06 19:12:28,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 6 letters. Loop has 3 letters. [2021-12-06 19:12:28,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:28,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 9 letters. Loop has 3 letters. [2021-12-06 19:12:28,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:28,928 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 6 letters. Loop has 6 letters. [2021-12-06 19:12:28,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:28,928 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 61 transitions. [2021-12-06 19:12:28,930 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:12:28,931 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 24 states and 37 transitions. [2021-12-06 19:12:28,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-06 19:12:28,931 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-12-06 19:12:28,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 37 transitions. [2021-12-06 19:12:28,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:12:28,932 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 37 transitions. [2021-12-06 19:12:28,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 37 transitions. [2021-12-06 19:12:28,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2021-12-06 19:12:28,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.565217391304348) internal successors, (36), 22 states have internal predecessors, (36), 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) [2021-12-06 19:12:28,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 36 transitions. [2021-12-06 19:12:28,934 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 36 transitions. [2021-12-06 19:12:28,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:28,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:12:28,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:12:28,938 INFO L87 Difference]: Start difference. First operand 23 states and 36 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:12:28,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:28,970 INFO L93 Difference]: Finished difference Result 24 states and 36 transitions. [2021-12-06 19:12:28,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 19:12:28,971 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 36 transitions. [2021-12-06 19:12:28,972 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:12:28,973 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 36 transitions. [2021-12-06 19:12:28,973 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-12-06 19:12:28,973 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-06 19:12:28,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 36 transitions. [2021-12-06 19:12:28,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:12:28,974 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 36 transitions. [2021-12-06 19:12:28,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 36 transitions. [2021-12-06 19:12:28,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2021-12-06 19:12:28,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 22 states have internal predecessors, (35), 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) [2021-12-06 19:12:28,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 35 transitions. [2021-12-06 19:12:28,976 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 35 transitions. [2021-12-06 19:12:28,976 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 35 transitions. [2021-12-06 19:12:28,976 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 19:12:28,976 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 35 transitions. [2021-12-06 19:12:28,977 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:12:28,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:12:28,977 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:12:28,978 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:28,978 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:12:28,978 INFO L791 eck$LassoCheckResult]: Stem: 335#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 336#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 333#L565 assume !(main_~array_size~0#1 < 1); 334#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 337#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 338#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 339#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 340#L552-4 lis_~i~0#1 := 1; 346#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 341#L555-3 [2021-12-06 19:12:28,978 INFO L793 eck$LassoCheckResult]: Loop: 341#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 342#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 349#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 351#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 341#L555-3 [2021-12-06 19:12:28,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:28,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2021-12-06 19:12:28,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:28,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960872916] [2021-12-06 19:12:28,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:28,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:29,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:12:29,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:29,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960872916] [2021-12-06 19:12:29,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960872916] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:12:29,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869144378] [2021-12-06 19:12:29,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:29,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:12:29,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:29,032 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:12:29,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2021-12-06 19:12:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:29,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 19:12:29,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:29,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:12:29,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:12:29,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:12:29,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869144378] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:12:29,124 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:12:29,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2021-12-06 19:12:29,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835965991] [2021-12-06 19:12:29,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:12:29,125 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:12:29,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:29,125 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 1 times [2021-12-06 19:12:29,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:29,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920483470] [2021-12-06 19:12:29,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:29,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:29,138 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:29,152 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:29,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:29,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 19:12:29,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-12-06 19:12:29,349 INFO L87 Difference]: Start difference. First operand 23 states and 35 transitions. cyclomatic complexity: 16 Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:12:29,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:29,415 INFO L93 Difference]: Finished difference Result 49 states and 69 transitions. [2021-12-06 19:12:29,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:12:29,416 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 69 transitions. [2021-12-06 19:12:29,417 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-06 19:12:29,417 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 41 states and 59 transitions. [2021-12-06 19:12:29,417 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-12-06 19:12:29,418 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-12-06 19:12:29,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 59 transitions. [2021-12-06 19:12:29,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:12:29,418 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 59 transitions. [2021-12-06 19:12:29,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 59 transitions. [2021-12-06 19:12:29,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 25. [2021-12-06 19:12:29,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 states have internal predecessors, (36), 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) [2021-12-06 19:12:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 36 transitions. [2021-12-06 19:12:29,420 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 36 transitions. [2021-12-06 19:12:29,420 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 36 transitions. [2021-12-06 19:12:29,420 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 19:12:29,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 36 transitions. [2021-12-06 19:12:29,421 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:12:29,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:12:29,421 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:12:29,421 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:29,421 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:12:29,421 INFO L791 eck$LassoCheckResult]: Stem: 471#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 472#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 469#L565 assume !(main_~array_size~0#1 < 1); 470#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 473#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 474#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 475#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 476#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 493#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 482#L552-4 lis_~i~0#1 := 1; 483#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 477#L555-3 [2021-12-06 19:12:29,421 INFO L793 eck$LassoCheckResult]: Loop: 477#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 478#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 486#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 488#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 477#L555-3 [2021-12-06 19:12:29,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:29,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 2 times [2021-12-06 19:12:29,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:29,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075818299] [2021-12-06 19:12:29,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:29,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:29,446 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:29,468 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:29,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:29,469 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 2 times [2021-12-06 19:12:29,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:29,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653024404] [2021-12-06 19:12:29,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:29,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:29,480 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:29,491 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:29,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:29,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1166707861, now seen corresponding path program 1 times [2021-12-06 19:12:29,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:29,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538594991] [2021-12-06 19:12:29,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:29,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:29,524 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:29,546 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:29,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-06 19:12:30,687 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:12:30,687 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:12:30,687 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:12:30,688 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:12:30,688 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:12:30,688 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:30,688 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:12:30,688 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:12:30,688 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration4_Lasso [2021-12-06 19:12:30,688 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:12:30,688 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:12:30,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:30,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:30,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:30,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:30,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:30,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:30,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:31,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:31,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:31,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:31,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:31,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:31,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:31,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:31,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:31,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:31,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:31,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:31,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:31,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:31,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:31,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:31,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:31,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:31,602 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:12:31,602 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:12:31,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:31,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:31,603 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:31,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 19:12:31,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:12:31,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:31,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:31,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:31,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:31,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:31,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:31,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:31,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:31,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-06 19:12:31,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:31,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:31,639 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:31,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 19:12:31,640 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 [2021-12-06 19:12:31,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:31,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:31,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:31,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:31,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:31,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:31,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:31,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:31,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 19:12:31,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:31,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:31,667 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:31,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 19:12:31,668 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 [2021-12-06 19:12:31,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:31,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:31,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:31,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:31,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:31,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:31,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:31,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:31,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:31,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:31,697 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:31,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 19:12:31,698 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 [2021-12-06 19:12:31,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:31,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:31,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:31,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:31,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:31,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:31,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:31,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:31,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:31,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:31,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:31,726 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:31,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 19:12:31,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:12:31,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:31,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:31,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:31,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:31,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:31,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:31,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:31,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:31,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-06 19:12:31,754 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:31,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:31,755 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:31,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 19:12:31,756 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 [2021-12-06 19:12:31,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:31,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:31,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:31,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:31,765 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:31,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:31,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:31,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-06 19:12:31,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:31,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:31,799 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:31,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 19:12:31,800 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 [2021-12-06 19:12:31,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:31,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:31,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:31,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:31,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:31,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:31,837 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:12:31,878 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2021-12-06 19:12:31,879 INFO L444 ModelExtractionUtils]: 24 out of 55 variables were initially zero. Simplification set additionally 28 variables to zero. [2021-12-06 19:12:31,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:31,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:31,880 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:31,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 19:12:31,880 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:12:31,889 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 19:12:31,889 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:12:31,889 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~j~0#1, ULTIMATE.start_lis_~i~0#1) = -1*ULTIMATE.start_lis_~j~0#1 + 1*ULTIMATE.start_lis_~i~0#1 Supporting invariants [] [2021-12-06 19:12:31,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:32,043 INFO L297 tatePredicateManager]: 43 out of 43 supporting invariants were superfluous and have been removed [2021-12-06 19:12:32,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:32,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:12:32,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:32,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 19:12:32,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:32,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:12:32,098 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 [2021-12-06 19:12:32,098 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 36 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2021-12-06 19:12:32,111 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 36 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 63 transitions. Complement of second has 7 states. [2021-12-06 19:12:32,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 19:12:32,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2021-12-06 19:12:32,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-12-06 19:12:32,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 4 letters. [2021-12-06 19:12:32,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:32,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 15 letters. Loop has 4 letters. [2021-12-06 19:12:32,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:32,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 8 letters. [2021-12-06 19:12:32,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:32,113 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 63 transitions. [2021-12-06 19:12:32,114 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:12:32,115 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 30 states and 43 transitions. [2021-12-06 19:12:32,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-12-06 19:12:32,115 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-06 19:12:32,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 43 transitions. [2021-12-06 19:12:32,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:12:32,115 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 43 transitions. [2021-12-06 19:12:32,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 43 transitions. [2021-12-06 19:12:32,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2021-12-06 19:12:32,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.4) internal successors, (35), 24 states have internal predecessors, (35), 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) [2021-12-06 19:12:32,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 35 transitions. [2021-12-06 19:12:32,117 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 35 transitions. [2021-12-06 19:12:32,117 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 35 transitions. [2021-12-06 19:12:32,117 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 19:12:32,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 35 transitions. [2021-12-06 19:12:32,117 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:12:32,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:12:32,117 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:12:32,118 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:32,118 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:12:32,118 INFO L791 eck$LassoCheckResult]: Stem: 779#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 780#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 777#L565 assume !(main_~array_size~0#1 < 1); 778#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 781#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 782#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 783#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 784#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 801#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 785#L552-4 lis_~i~0#1 := 1; 786#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 789#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 790#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 800#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 787#L555-3 [2021-12-06 19:12:32,118 INFO L793 eck$LassoCheckResult]: Loop: 787#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 788#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 792#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 796#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 787#L555-3 [2021-12-06 19:12:32,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:32,118 INFO L85 PathProgramCache]: Analyzing trace with hash -793649762, now seen corresponding path program 1 times [2021-12-06 19:12:32,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:32,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219783874] [2021-12-06 19:12:32,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:32,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:32,142 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 19:12:32,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:32,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219783874] [2021-12-06 19:12:32,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219783874] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:32,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:32,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:12:32,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004021469] [2021-12-06 19:12:32,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:32,143 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:12:32,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:32,143 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 3 times [2021-12-06 19:12:32,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:32,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671128229] [2021-12-06 19:12:32,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:32,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:32,157 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:32,165 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:32,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-06 19:12:32,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:32,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:12:32,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:12:32,329 INFO L87 Difference]: Start difference. First operand 25 states and 35 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2021-12-06 19:12:32,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:32,356 INFO L93 Difference]: Finished difference Result 34 states and 49 transitions. [2021-12-06 19:12:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 19:12:32,357 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 49 transitions. [2021-12-06 19:12:32,357 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:12:32,358 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 49 transitions. [2021-12-06 19:12:32,358 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-12-06 19:12:32,358 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-06 19:12:32,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 49 transitions. [2021-12-06 19:12:32,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:12:32,358 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 49 transitions. [2021-12-06 19:12:32,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 49 transitions. [2021-12-06 19:12:32,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 26. [2021-12-06 19:12:32,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 25 states have internal predecessors, (36), 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) [2021-12-06 19:12:32,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2021-12-06 19:12:32,360 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2021-12-06 19:12:32,360 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2021-12-06 19:12:32,360 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 19:12:32,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 36 transitions. [2021-12-06 19:12:32,360 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:12:32,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:12:32,360 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:12:32,361 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:32,361 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:12:32,361 INFO L791 eck$LassoCheckResult]: Stem: 845#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 846#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 843#L565 assume !(main_~array_size~0#1 < 1); 844#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 847#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 848#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 849#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 850#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 868#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 851#L552-4 lis_~i~0#1 := 1; 852#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 855#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 856#L556 assume !lis_#t~short11#1; 860#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 862#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 863#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 866#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 867#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 853#L555-3 [2021-12-06 19:12:32,361 INFO L793 eck$LassoCheckResult]: Loop: 853#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 854#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 859#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 861#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 853#L555-3 [2021-12-06 19:12:32,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:32,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1717296809, now seen corresponding path program 1 times [2021-12-06 19:12:32,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:32,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179414715] [2021-12-06 19:12:32,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:32,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:32,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:12:32,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:32,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179414715] [2021-12-06 19:12:32,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179414715] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:12:32,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970979706] [2021-12-06 19:12:32,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:32,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:12:32,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:32,403 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:12:32,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2021-12-06 19:12:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:32,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 19:12:32,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:32,489 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:12:32,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:12:32,517 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:12:32,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970979706] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:12:32,518 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:12:32,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2021-12-06 19:12:32,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586952086] [2021-12-06 19:12:32,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:12:32,518 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:12:32,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:32,519 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 4 times [2021-12-06 19:12:32,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:32,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412589579] [2021-12-06 19:12:32,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:32,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:32,527 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:32,534 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:32,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:32,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 19:12:32,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-12-06 19:12:32,731 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. cyclomatic complexity: 14 Second operand has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 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) [2021-12-06 19:12:32,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:32,825 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-12-06 19:12:32,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 19:12:32,826 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 99 transitions. [2021-12-06 19:12:32,827 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-06 19:12:32,827 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 53 states and 75 transitions. [2021-12-06 19:12:32,827 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-12-06 19:12:32,827 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-12-06 19:12:32,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 75 transitions. [2021-12-06 19:12:32,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:12:32,828 INFO L681 BuchiCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-12-06 19:12:32,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 75 transitions. [2021-12-06 19:12:32,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 34. [2021-12-06 19:12:32,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.411764705882353) internal successors, (48), 33 states have internal predecessors, (48), 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) [2021-12-06 19:12:32,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2021-12-06 19:12:32,830 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 48 transitions. [2021-12-06 19:12:32,830 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 48 transitions. [2021-12-06 19:12:32,830 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-06 19:12:32,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 48 transitions. [2021-12-06 19:12:32,830 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:12:32,830 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:12:32,830 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:12:32,831 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:32,831 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:12:32,831 INFO L791 eck$LassoCheckResult]: Stem: 1065#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1066#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 1063#L565 assume !(main_~array_size~0#1 < 1); 1064#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 1067#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1068#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1086#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1092#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1069#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1070#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1091#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 1076#L552-4 lis_~i~0#1 := 1; 1077#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1089#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1094#L556 assume !lis_#t~short11#1; 1096#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 1095#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1093#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1087#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1088#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1071#L555-3 [2021-12-06 19:12:32,831 INFO L793 eck$LassoCheckResult]: Loop: 1071#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1072#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 1078#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1082#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1071#L555-3 [2021-12-06 19:12:32,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:32,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1523485369, now seen corresponding path program 2 times [2021-12-06 19:12:32,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:32,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477572706] [2021-12-06 19:12:32,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:32,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:32,853 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:32,872 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:32,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:32,873 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 5 times [2021-12-06 19:12:32,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:32,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889658918] [2021-12-06 19:12:32,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:32,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:32,880 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:32,886 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:32,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:32,887 INFO L85 PathProgramCache]: Analyzing trace with hash -423959456, now seen corresponding path program 1 times [2021-12-06 19:12:32,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:32,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976669370] [2021-12-06 19:12:32,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:32,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:32,921 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:32,947 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:34,769 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:12:34,769 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:12:34,769 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:12:34,769 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:12:34,769 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:12:34,769 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:34,769 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:12:34,769 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:12:34,769 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration7_Lasso [2021-12-06 19:12:34,769 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:12:34,769 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:12:34,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:34,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:34,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:34,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:34,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:34,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:34,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:34,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:34,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:34,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:34,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:34,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:34,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:34,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:34,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:34,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:34,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:34,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:34,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:35,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:35,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:35,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:35,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:35,969 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:12:35,969 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:12:35,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:35,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:35,970 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:35,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 19:12:35,971 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 [2021-12-06 19:12:35,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:35,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:35,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:35,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:35,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:35,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:35,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:35,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:35,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-06 19:12:35,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:35,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:35,998 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:35,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 19:12:35,999 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 [2021-12-06 19:12:36,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:36,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:36,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:36,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-06 19:12:36,025 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,026 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 19:12:36,027 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 [2021-12-06 19:12:36,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:36,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:36,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:36,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-06 19:12:36,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,054 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-06 19:12:36,056 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 [2021-12-06 19:12:36,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:36,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:36,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-06 19:12:36,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,085 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-06 19:12:36,086 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 [2021-12-06 19:12:36,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:36,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:36,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:36,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-06 19:12:36,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,113 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-06 19:12:36,114 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 [2021-12-06 19:12:36,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:36,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:36,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:36,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-06 19:12:36,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,141 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-06 19:12:36,142 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 [2021-12-06 19:12:36,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:36,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:36,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:36,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-06 19:12:36,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,169 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-06 19:12:36,170 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 [2021-12-06 19:12:36,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:36,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:36,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-06 19:12:36,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,198 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-06 19:12:36,200 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 [2021-12-06 19:12:36,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:36,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:36,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:36,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-06 19:12:36,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,228 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-06 19:12:36,230 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 [2021-12-06 19:12:36,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:36,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:36,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-06 19:12:36,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,259 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-06 19:12:36,260 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 [2021-12-06 19:12:36,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:36,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:36,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:36,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,289 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-06 19:12:36,291 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 [2021-12-06 19:12:36,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:36,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:36,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:36,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-06 19:12:36,318 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,319 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-06 19:12:36,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:12:36,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:36,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:36,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:36,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-06 19:12:36,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,347 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-06 19:12:36,348 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 [2021-12-06 19:12:36,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:36,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:36,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:36,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-06 19:12:36,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,375 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-06 19:12:36,377 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 [2021-12-06 19:12:36,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:36,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:36,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:36,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-12-06 19:12:36,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,404 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-06 19:12:36,406 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 [2021-12-06 19:12:36,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:36,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:36,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-06 19:12:36,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,436 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-06 19:12:36,437 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 [2021-12-06 19:12:36,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:36,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:36,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:36,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-12-06 19:12:36,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,464 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-06 19:12:36,466 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 [2021-12-06 19:12:36,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:36,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:36,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:36,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:36,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,493 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-06 19:12:36,494 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 [2021-12-06 19:12:36,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:36,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:36,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:36,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,529 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-06 19:12:36,530 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 [2021-12-06 19:12:36,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:36,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:36,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-12-06 19:12:36,559 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,560 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-06 19:12:36,561 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 [2021-12-06 19:12:36,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:36,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:36,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:36,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,591 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-06 19:12:36,593 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 [2021-12-06 19:12:36,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:36,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:36,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-12-06 19:12:36,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,623 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-06 19:12:36,624 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 [2021-12-06 19:12:36,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:36,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:36,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-12-06 19:12:36,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,661 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-06 19:12:36,662 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 [2021-12-06 19:12:36,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,670 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:36,670 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:36,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-12-06 19:12:36,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,691 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-06 19:12:36,692 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 [2021-12-06 19:12:36,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,700 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:36,700 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:36,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-12-06 19:12:36,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,721 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-06 19:12:36,722 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 [2021-12-06 19:12:36,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:36,731 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:36,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-12-06 19:12:36,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,754 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-06 19:12:36,757 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 [2021-12-06 19:12:36,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:36,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:36,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-12-06 19:12:36,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,788 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-06 19:12:36,790 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 [2021-12-06 19:12:36,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:36,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:36,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:36,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-12-06 19:12:36,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,827 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-06 19:12:36,829 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 [2021-12-06 19:12:36,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:36,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:36,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:36,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:36,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:36,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:36,867 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:12:36,960 INFO L443 ModelExtractionUtils]: Simplification made 33 calls to the SMT solver. [2021-12-06 19:12:36,960 INFO L444 ModelExtractionUtils]: 19 out of 61 variables were initially zero. Simplification set additionally 39 variables to zero. [2021-12-06 19:12:36,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:36,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:36,961 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:36,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-12-06 19:12:36,962 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:12:36,971 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 19:12:36,971 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:12:36,971 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~j~0#1) = -2*ULTIMATE.start_lis_~j~0#1 + 3 Supporting invariants [] [2021-12-06 19:12:36,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-12-06 19:12:37,306 INFO L297 tatePredicateManager]: 75 out of 77 supporting invariants were superfluous and have been removed [2021-12-06 19:12:37,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:37,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-06 19:12:37,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:37,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 19:12:37,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:37,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:12:37,471 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-12-06 19:12:37,472 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 48 transitions. cyclomatic complexity: 19 Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2021-12-06 19:12:37,497 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 48 transitions. cyclomatic complexity: 19. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 34 states and 48 transitions. Complement of second has 5 states. [2021-12-06 19:12:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-06 19:12:37,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2021-12-06 19:12:37,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-12-06 19:12:37,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 20 letters. Loop has 4 letters. [2021-12-06 19:12:37,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:37,499 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 19:12:37,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:37,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:37,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-06 19:12:37,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:37,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 19:12:37,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:37,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:12:37,644 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2021-12-06 19:12:37,645 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 48 transitions. cyclomatic complexity: 19 Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2021-12-06 19:12:37,663 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 48 transitions. cyclomatic complexity: 19. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 34 states and 48 transitions. Complement of second has 5 states. [2021-12-06 19:12:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-06 19:12:37,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2021-12-06 19:12:37,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-12-06 19:12:37,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 20 letters. Loop has 4 letters. [2021-12-06 19:12:37,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:37,664 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 19:12:37,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:37,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-06 19:12:37,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:37,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 19:12:37,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:37,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:12:37,821 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-12-06 19:12:37,821 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 48 transitions. cyclomatic complexity: 19 Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2021-12-06 19:12:37,880 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 48 transitions. cyclomatic complexity: 19. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 54 states and 80 transitions. Complement of second has 11 states. [2021-12-06 19:12:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2021-12-06 19:12:37,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2021-12-06 19:12:37,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 52 transitions. [2021-12-06 19:12:37,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 20 letters. Loop has 4 letters. [2021-12-06 19:12:37,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:37,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 24 letters. Loop has 4 letters. [2021-12-06 19:12:37,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:37,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 20 letters. Loop has 8 letters. [2021-12-06 19:12:37,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:37,882 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 80 transitions. [2021-12-06 19:12:37,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:12:37,883 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 42 states and 60 transitions. [2021-12-06 19:12:37,884 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-12-06 19:12:37,884 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-12-06 19:12:37,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 60 transitions. [2021-12-06 19:12:37,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:12:37,884 INFO L681 BuchiCegarLoop]: Abstraction has 42 states and 60 transitions. [2021-12-06 19:12:37,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 60 transitions. [2021-12-06 19:12:37,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 34. [2021-12-06 19:12:37,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 33 states have internal predecessors, (47), 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) [2021-12-06 19:12:37,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 47 transitions. [2021-12-06 19:12:37,886 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 47 transitions. [2021-12-06 19:12:37,886 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 47 transitions. [2021-12-06 19:12:37,886 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-06 19:12:37,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 47 transitions. [2021-12-06 19:12:37,887 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:12:37,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:12:37,887 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:12:37,887 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:37,887 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:12:37,888 INFO L791 eck$LassoCheckResult]: Stem: 1812#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1813#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 1810#L565 assume !(main_~array_size~0#1 < 1); 1811#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 1814#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1815#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1816#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1817#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1843#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1841#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1840#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 1823#L552-4 lis_~i~0#1 := 1; 1824#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1835#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1838#L556 assume !lis_#t~short11#1; 1842#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 1839#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1837#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1833#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1834#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1820#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1821#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1836#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1818#L555-3 [2021-12-06 19:12:37,888 INFO L793 eck$LassoCheckResult]: Loop: 1818#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1819#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 1827#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1829#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1818#L555-3 [2021-12-06 19:12:37,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:37,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1233248371, now seen corresponding path program 3 times [2021-12-06 19:12:37,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:37,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116831430] [2021-12-06 19:12:37,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:37,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:37,919 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-06 19:12:37,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:37,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116831430] [2021-12-06 19:12:37,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116831430] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:12:37,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724756408] [2021-12-06 19:12:37,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 19:12:37,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:12:37,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:37,920 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:12:37,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Waiting until timeout for monitored process [2021-12-06 19:12:37,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-06 19:12:37,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:12:37,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 19:12:37,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:37,997 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-06 19:12:37,997 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:12:37,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724756408] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:37,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:12:37,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-12-06 19:12:37,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735904267] [2021-12-06 19:12:37,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:37,998 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:12:37,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:37,998 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 6 times [2021-12-06 19:12:37,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:37,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034778607] [2021-12-06 19:12:37,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:37,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:38,004 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:38,011 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:38,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:38,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:12:38,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:12:38,184 INFO L87 Difference]: Start difference. First operand 34 states and 47 transitions. cyclomatic complexity: 18 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2021-12-06 19:12:38,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:38,212 INFO L93 Difference]: Finished difference Result 42 states and 59 transitions. [2021-12-06 19:12:38,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:12:38,213 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 59 transitions. [2021-12-06 19:12:38,213 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:12:38,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 42 states and 59 transitions. [2021-12-06 19:12:38,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-12-06 19:12:38,214 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-12-06 19:12:38,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 59 transitions. [2021-12-06 19:12:38,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:12:38,214 INFO L681 BuchiCegarLoop]: Abstraction has 42 states and 59 transitions. [2021-12-06 19:12:38,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 59 transitions. [2021-12-06 19:12:38,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 35. [2021-12-06 19:12:38,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 34 states have internal predecessors, (48), 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) [2021-12-06 19:12:38,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2021-12-06 19:12:38,216 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 48 transitions. [2021-12-06 19:12:38,216 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 48 transitions. [2021-12-06 19:12:38,216 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-06 19:12:38,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 48 transitions. [2021-12-06 19:12:38,217 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:12:38,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:12:38,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:12:38,218 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:38,218 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:12:38,218 INFO L791 eck$LassoCheckResult]: Stem: 1964#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1965#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 1962#L565 assume !(main_~array_size~0#1 < 1); 1963#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 1966#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1967#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1968#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1969#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1995#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1991#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1990#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 1970#L552-4 lis_~i~0#1 := 1; 1971#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1987#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1993#L556 assume !lis_#t~short11#1; 1996#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 1994#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1992#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1985#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1986#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1974#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1975#L556 assume !lis_#t~short11#1; 1977#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 1981#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1982#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1989#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1988#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1972#L555-3 [2021-12-06 19:12:38,218 INFO L793 eck$LassoCheckResult]: Loop: 1972#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1973#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 1976#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1980#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1972#L555-3 [2021-12-06 19:12:38,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:38,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1381806508, now seen corresponding path program 4 times [2021-12-06 19:12:38,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:38,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986405840] [2021-12-06 19:12:38,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:38,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-06 19:12:38,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:38,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986405840] [2021-12-06 19:12:38,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986405840] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:12:38,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569691536] [2021-12-06 19:12:38,254 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 19:12:38,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:12:38,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:38,255 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:12:38,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Waiting until timeout for monitored process [2021-12-06 19:12:38,309 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 19:12:38,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:12:38,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 19:12:38,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-06 19:12:38,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:12:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-06 19:12:38,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569691536] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:12:38,395 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:12:38,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2021-12-06 19:12:38,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786897989] [2021-12-06 19:12:38,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:12:38,395 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:12:38,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:38,396 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 7 times [2021-12-06 19:12:38,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:38,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875284288] [2021-12-06 19:12:38,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:38,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:38,401 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:38,406 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:38,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:38,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 19:12:38,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:12:38,566 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. cyclomatic complexity: 18 Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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) [2021-12-06 19:12:38,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:38,628 INFO L93 Difference]: Finished difference Result 50 states and 71 transitions. [2021-12-06 19:12:38,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:12:38,628 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 71 transitions. [2021-12-06 19:12:38,629 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:12:38,629 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 50 states and 71 transitions. [2021-12-06 19:12:38,629 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-12-06 19:12:38,630 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-12-06 19:12:38,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 71 transitions. [2021-12-06 19:12:38,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:12:38,630 INFO L681 BuchiCegarLoop]: Abstraction has 50 states and 71 transitions. [2021-12-06 19:12:38,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 71 transitions. [2021-12-06 19:12:38,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 39. [2021-12-06 19:12:38,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 38 states have internal predecessors, (54), 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) [2021-12-06 19:12:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2021-12-06 19:12:38,632 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-12-06 19:12:38,632 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-12-06 19:12:38,632 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-06 19:12:38,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 54 transitions. [2021-12-06 19:12:38,632 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:12:38,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:12:38,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:12:38,633 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:38,633 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:12:38,633 INFO L791 eck$LassoCheckResult]: Stem: 2226#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2227#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 2220#L565 assume !(main_~array_size~0#1 < 1); 2221#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 2222#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2223#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2224#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2225#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2258#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2253#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2252#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 2228#L552-4 lis_~i~0#1 := 1; 2229#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 2245#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2251#L556 assume !lis_#t~short11#1; 2256#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 2254#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2250#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 2243#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 2244#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 2246#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2257#L556 assume !lis_#t~short11#1; 2255#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 2240#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2232#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2233#L556 assume !lis_#t~short11#1; 2235#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 2239#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2249#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 2248#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 2247#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 2230#L555-3 [2021-12-06 19:12:38,633 INFO L793 eck$LassoCheckResult]: Loop: 2230#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2231#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 2234#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2238#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2230#L555-3 [2021-12-06 19:12:38,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:38,634 INFO L85 PathProgramCache]: Analyzing trace with hash -494256539, now seen corresponding path program 5 times [2021-12-06 19:12:38,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:38,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926947584] [2021-12-06 19:12:38,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:38,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-06 19:12:38,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:38,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926947584] [2021-12-06 19:12:38,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926947584] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:12:38,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58659988] [2021-12-06 19:12:38,681 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-06 19:12:38,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:12:38,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:38,682 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:12:38,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Waiting until timeout for monitored process [2021-12-06 19:12:38,748 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-12-06 19:12:38,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:12:38,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 19:12:38,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:38,815 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 19:12:38,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:12:38,862 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 19:12:38,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58659988] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:12:38,862 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:12:38,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 16 [2021-12-06 19:12:38,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95609105] [2021-12-06 19:12:38,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:12:38,862 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:12:38,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:38,863 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 8 times [2021-12-06 19:12:38,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:38,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108309454] [2021-12-06 19:12:38,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:38,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:38,868 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:38,872 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:39,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:39,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-06 19:12:39,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2021-12-06 19:12:39,037 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. cyclomatic complexity: 20 Second operand has 17 states, 16 states have (on average 3.5) internal successors, (56), 17 states have internal predecessors, (56), 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) [2021-12-06 19:12:39,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:39,202 INFO L93 Difference]: Finished difference Result 121 states and 166 transitions. [2021-12-06 19:12:39,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 19:12:39,202 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 166 transitions. [2021-12-06 19:12:39,203 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-06 19:12:39,204 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 79 states and 111 transitions. [2021-12-06 19:12:39,204 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2021-12-06 19:12:39,204 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-12-06 19:12:39,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 111 transitions. [2021-12-06 19:12:39,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:12:39,204 INFO L681 BuchiCegarLoop]: Abstraction has 79 states and 111 transitions. [2021-12-06 19:12:39,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 111 transitions. [2021-12-06 19:12:39,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 52. [2021-12-06 19:12:39,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 51 states have internal predecessors, (73), 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) [2021-12-06 19:12:39,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 73 transitions. [2021-12-06 19:12:39,206 INFO L704 BuchiCegarLoop]: Abstraction has 52 states and 73 transitions. [2021-12-06 19:12:39,207 INFO L587 BuchiCegarLoop]: Abstraction has 52 states and 73 transitions. [2021-12-06 19:12:39,207 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-06 19:12:39,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 73 transitions. [2021-12-06 19:12:39,207 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:12:39,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:12:39,207 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:12:39,208 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:39,208 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:12:39,208 INFO L791 eck$LassoCheckResult]: Stem: 2602#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2603#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 2600#L565 assume !(main_~array_size~0#1 < 1); 2601#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 2604#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2605#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2606#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2607#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2635#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2634#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2633#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2632#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2631#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 2612#L552-4 lis_~i~0#1 := 1; 2613#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 2627#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2639#L556 assume !lis_#t~short11#1; 2643#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 2640#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2638#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 2625#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 2626#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 2628#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2649#L556 assume !lis_#t~short11#1; 2648#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 2647#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2646#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2642#L556 assume !lis_#t~short11#1; 2645#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 2644#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2641#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 2637#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 2636#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 2608#L555-3 [2021-12-06 19:12:39,208 INFO L793 eck$LassoCheckResult]: Loop: 2608#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2609#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 2616#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2619#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2608#L555-3 [2021-12-06 19:12:39,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:39,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1144628291, now seen corresponding path program 6 times [2021-12-06 19:12:39,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:39,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839427002] [2021-12-06 19:12:39,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:39,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:39,225 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:39,241 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:39,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:39,241 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 9 times [2021-12-06 19:12:39,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:39,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819795425] [2021-12-06 19:12:39,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:39,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:39,247 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:39,251 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:39,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:39,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1970657046, now seen corresponding path program 2 times [2021-12-06 19:12:39,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:39,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072341295] [2021-12-06 19:12:39,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:39,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:39,282 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:39,304 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:44,419 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:12:44,419 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:12:44,419 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:12:44,419 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:12:44,419 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:12:44,419 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:44,419 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:12:44,419 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:12:44,419 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration11_Lasso [2021-12-06 19:12:44,419 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:12:44,419 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:12:44,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:44,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:44,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:44,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:44,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:44,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:44,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:44,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:44,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:44,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:44,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:44,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:44,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:44,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:44,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:44,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:44,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:44,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:44,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:46,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:46,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:46,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:46,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:46,765 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:12:46,765 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:12:46,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:46,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:46,766 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:46,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-12-06 19:12:46,767 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 [2021-12-06 19:12:46,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:46,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:46,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:46,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:46,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:46,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:46,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:46,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:46,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:46,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:46,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:46,795 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:46,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-12-06 19:12:46,796 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 [2021-12-06 19:12:46,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:46,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:46,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:46,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:46,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:46,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:46,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:46,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:46,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-12-06 19:12:46,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:46,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:46,823 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:46,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-12-06 19:12:46,825 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 [2021-12-06 19:12:46,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:46,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:46,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:46,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:46,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:46,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:46,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:46,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:46,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-12-06 19:12:46,852 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:46,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:46,853 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:46,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-12-06 19:12:46,854 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 [2021-12-06 19:12:46,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:46,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:46,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:46,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:46,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:46,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:46,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:46,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:46,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-12-06 19:12:46,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:46,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:46,881 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:46,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-12-06 19:12:46,882 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 [2021-12-06 19:12:46,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:46,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:46,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:46,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:46,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:46,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:46,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:46,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:46,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:46,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:46,911 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:46,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-12-06 19:12:46,912 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 [2021-12-06 19:12:46,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:46,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:46,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:46,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:46,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:46,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:46,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:46,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:46,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-12-06 19:12:46,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:46,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:46,940 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:46,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-12-06 19:12:46,941 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 [2021-12-06 19:12:46,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:46,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:46,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:46,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:46,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:46,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:46,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:46,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:46,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-12-06 19:12:46,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:46,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:46,969 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:46,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-12-06 19:12:46,970 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 [2021-12-06 19:12:46,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:46,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:46,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:46,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:46,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:46,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:46,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:46,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:46,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-12-06 19:12:46,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:46,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:46,997 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:46,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-12-06 19:12:46,998 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 [2021-12-06 19:12:47,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:47,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:47,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:47,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:47,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:47,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:47,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:47,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-12-06 19:12:47,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:47,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:47,026 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:47,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-12-06 19:12:47,028 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 [2021-12-06 19:12:47,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:47,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:47,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:47,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:47,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:47,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:47,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:47,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:47,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-12-06 19:12:47,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:47,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:47,055 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:47,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-12-06 19:12:47,056 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 [2021-12-06 19:12:47,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:47,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:47,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:47,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:47,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:47,064 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:47,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:47,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:47,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-12-06 19:12:47,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:47,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:47,083 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:47,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-12-06 19:12:47,084 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 [2021-12-06 19:12:47,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:47,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:47,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:47,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:47,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:47,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:47,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:47,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-12-06 19:12:47,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:47,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:47,113 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:47,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-12-06 19:12:47,114 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 [2021-12-06 19:12:47,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:47,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:47,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:47,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:47,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:47,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:47,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:47,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:47,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-12-06 19:12:47,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:47,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:47,142 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:47,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-12-06 19:12:47,144 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 [2021-12-06 19:12:47,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:47,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:47,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:47,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:47,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:47,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:47,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:47,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:47,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-12-06 19:12:47,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:47,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:47,171 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:47,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-12-06 19:12:47,172 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 [2021-12-06 19:12:47,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:47,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:47,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:47,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:47,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:47,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:47,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:47,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-12-06 19:12:47,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:47,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:47,201 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:47,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-12-06 19:12:47,202 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 [2021-12-06 19:12:47,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:47,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:47,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:47,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:47,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:47,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:47,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:47,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:47,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-12-06 19:12:47,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:47,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:47,228 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:47,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-12-06 19:12:47,230 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 [2021-12-06 19:12:47,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:47,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:47,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:47,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:47,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:47,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:47,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:47,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:47,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:47,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:47,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:47,257 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:47,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-12-06 19:12:47,258 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 [2021-12-06 19:12:47,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:47,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:47,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:47,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:47,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:47,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:47,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:47,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:47,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-12-06 19:12:47,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:47,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:47,285 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:47,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-12-06 19:12:47,286 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 [2021-12-06 19:12:47,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:47,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:47,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:47,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:47,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:47,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:47,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:47,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-12-06 19:12:47,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:47,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:47,317 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:47,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-12-06 19:12:47,318 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 [2021-12-06 19:12:47,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:47,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:47,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:47,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:47,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:47,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:47,357 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:12:47,495 INFO L443 ModelExtractionUtils]: Simplification made 48 calls to the SMT solver. [2021-12-06 19:12:47,496 INFO L444 ModelExtractionUtils]: 9 out of 61 variables were initially zero. Simplification set additionally 49 variables to zero. [2021-12-06 19:12:47,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:47,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:47,497 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:47,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-12-06 19:12:47,497 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:12:47,505 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 19:12:47,505 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:12:47,505 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~j~0#1, v_rep(select #length ULTIMATE.start_lis_#t~malloc2#1.base)_4) = -16*ULTIMATE.start_lis_~j~0#1 + 5*v_rep(select #length ULTIMATE.start_lis_#t~malloc2#1.base)_4 Supporting invariants [] [2021-12-06 19:12:47,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-12-06 19:12:47,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-12-06 19:12:47,960 INFO L297 tatePredicateManager]: 97 out of 100 supporting invariants were superfluous and have been removed [2021-12-06 19:12:47,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:48,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-06 19:12:48,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:48,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 19:12:48,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:48,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:12:48,246 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 3 loop predicates [2021-12-06 19:12:48,246 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 73 transitions. cyclomatic complexity: 27 Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:12:48,266 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 73 transitions. cyclomatic complexity: 27. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 73 transitions. Complement of second has 5 states. [2021-12-06 19:12:48,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-06 19:12:48,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:12:48,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-12-06 19:12:48,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 33 letters. Loop has 4 letters. [2021-12-06 19:12:48,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:48,267 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 19:12:48,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:48,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-06 19:12:48,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:48,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 19:12:48,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:48,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:12:48,565 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 3 loop predicates [2021-12-06 19:12:48,565 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 73 transitions. cyclomatic complexity: 27 Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:12:48,584 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 73 transitions. cyclomatic complexity: 27. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 73 transitions. Complement of second has 5 states. [2021-12-06 19:12:48,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-06 19:12:48,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:12:48,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-12-06 19:12:48,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 33 letters. Loop has 4 letters. [2021-12-06 19:12:48,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:48,586 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 19:12:48,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:48,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-06 19:12:48,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:48,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 19:12:48,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:48,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:12:48,868 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 3 loop predicates [2021-12-06 19:12:48,868 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 73 transitions. cyclomatic complexity: 27 Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:12:48,951 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 73 transitions. cyclomatic complexity: 27. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 98 states and 144 transitions. Complement of second has 15 states. [2021-12-06 19:12:48,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 5 stem states 3 non-accepting loop states 2 accepting loop states [2021-12-06 19:12:48,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:12:48,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 67 transitions. [2021-12-06 19:12:48,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 67 transitions. Stem has 33 letters. Loop has 4 letters. [2021-12-06 19:12:48,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:48,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 67 transitions. Stem has 37 letters. Loop has 4 letters. [2021-12-06 19:12:48,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:48,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 67 transitions. Stem has 33 letters. Loop has 8 letters. [2021-12-06 19:12:48,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:48,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 144 transitions. [2021-12-06 19:12:48,954 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-06 19:12:48,954 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 91 states and 129 transitions. [2021-12-06 19:12:48,954 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-12-06 19:12:48,954 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-12-06 19:12:48,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 129 transitions. [2021-12-06 19:12:48,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:12:48,955 INFO L681 BuchiCegarLoop]: Abstraction has 91 states and 129 transitions. [2021-12-06 19:12:48,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 129 transitions. [2021-12-06 19:12:48,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 85. [2021-12-06 19:12:48,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 85 states have (on average 1.4352941176470588) internal successors, (122), 84 states have internal predecessors, (122), 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) [2021-12-06 19:12:48,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 122 transitions. [2021-12-06 19:12:48,958 INFO L704 BuchiCegarLoop]: Abstraction has 85 states and 122 transitions. [2021-12-06 19:12:48,958 INFO L587 BuchiCegarLoop]: Abstraction has 85 states and 122 transitions. [2021-12-06 19:12:48,958 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-12-06 19:12:48,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 85 states and 122 transitions. [2021-12-06 19:12:48,959 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-06 19:12:48,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:12:48,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:12:48,959 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:48,959 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:12:48,960 INFO L791 eck$LassoCheckResult]: Stem: 3668#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3669#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 3666#L565 assume !(main_~array_size~0#1 < 1); 3667#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 3670#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 3671#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 3672#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 3673#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 3703#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 3702#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 3701#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 3700#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 3699#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 3678#L552-4 lis_~i~0#1 := 1; 3679#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 3694#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 3727#L556 assume !lis_#t~short11#1; 3731#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 3729#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 3726#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 3692#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 3693#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 3695#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 3730#L556 assume !lis_#t~short11#1; 3728#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 3725#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 3724#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 3720#L556 assume !lis_#t~short11#1; 3723#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 3721#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 3719#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 3715#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 3711#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 3712#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 3675#L556 [2021-12-06 19:12:48,960 INFO L793 eck$LassoCheckResult]: Loop: 3675#L556 assume !lis_#t~short11#1; 3680#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 3685#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 3674#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 3675#L556 [2021-12-06 19:12:48,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:48,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1123738692, now seen corresponding path program 7 times [2021-12-06 19:12:48,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:48,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732771076] [2021-12-06 19:12:48,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:48,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:48,987 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:49,003 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:49,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:49,003 INFO L85 PathProgramCache]: Analyzing trace with hash 2284026, now seen corresponding path program 1 times [2021-12-06 19:12:49,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:49,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446598132] [2021-12-06 19:12:49,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:49,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:49,006 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:49,009 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:49,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:49,009 INFO L85 PathProgramCache]: Analyzing trace with hash -960764739, now seen corresponding path program 8 times [2021-12-06 19:12:49,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:49,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153861395] [2021-12-06 19:12:49,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:49,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:49,025 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:12:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:12:49,042 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:12:54,253 WARN L227 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 324 DAG size of output: 222 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-12-06 19:12:56,553 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:12:56,554 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:12:56,554 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:12:56,554 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:12:56,554 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:12:56,554 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:56,554 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:12:56,554 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:12:56,554 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration12_Lasso [2021-12-06 19:12:56,554 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:12:56,554 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:12:56,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:56,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:12:58,933 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:12:58,933 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:12:58,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:58,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:58,934 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:58,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-12-06 19:12:58,935 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 [2021-12-06 19:12:58,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:58,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:12:58,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:58,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:58,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:58,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:12:58,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:12:58,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:58,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-12-06 19:12:58,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:58,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:58,961 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:58,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-12-06 19:12:58,962 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 [2021-12-06 19:12:58,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:58,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:58,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:58,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:58,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:58,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:58,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:58,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-12-06 19:12:58,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:58,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:58,997 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:58,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-12-06 19:12:58,998 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 [2021-12-06 19:12:59,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:59,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:59,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:59,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:59,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:59,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:59,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:59,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:59,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:59,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:59,027 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:59,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-12-06 19:12:59,028 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 [2021-12-06 19:12:59,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:59,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:59,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:59,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:59,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:59,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:59,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:12:59,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-12-06 19:12:59,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:59,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:59,056 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:59,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-12-06 19:12:59,057 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 [2021-12-06 19:12:59,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:12:59,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:12:59,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:12:59,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:12:59,070 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:12:59,070 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:12:59,086 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:12:59,147 INFO L443 ModelExtractionUtils]: Simplification made 30 calls to the SMT solver. [2021-12-06 19:12:59,147 INFO L444 ModelExtractionUtils]: 9 out of 55 variables were initially zero. Simplification set additionally 43 variables to zero. [2021-12-06 19:12:59,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:12:59,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:59,148 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:59,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-12-06 19:12:59,149 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:12:59,156 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 19:12:59,157 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:12:59,157 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_lis_~a#1.base)_4, ULTIMATE.start_lis_~j~0#1) = 3*v_rep(select #length ULTIMATE.start_lis_~a#1.base)_4 - 16*ULTIMATE.start_lis_~j~0#1 Supporting invariants [] [2021-12-06 19:12:59,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-12-06 19:12:59,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-12-06 19:12:59,546 INFO L297 tatePredicateManager]: 93 out of 95 supporting invariants were superfluous and have been removed [2021-12-06 19:12:59,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:59,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-06 19:12:59,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:59,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 19:12:59,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:59,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:12:59,766 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2021-12-06 19:12:59,766 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 85 states and 122 transitions. cyclomatic complexity: 47 Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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) [2021-12-06 19:12:59,788 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 85 states and 122 transitions. cyclomatic complexity: 47. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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 86 states and 124 transitions. Complement of second has 5 states. [2021-12-06 19:12:59,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-06 19:12:59,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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) [2021-12-06 19:12:59,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-12-06 19:12:59,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 34 letters. Loop has 4 letters. [2021-12-06 19:12:59,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:12:59,790 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 19:12:59,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:59,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-06 19:12:59,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:59,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 19:12:59,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:13:00,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:13:00,015 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2021-12-06 19:13:00,016 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 85 states and 122 transitions. cyclomatic complexity: 47 Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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) [2021-12-06 19:13:00,036 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 85 states and 122 transitions. cyclomatic complexity: 47. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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 86 states and 124 transitions. Complement of second has 5 states. [2021-12-06 19:13:00,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-06 19:13:00,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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) [2021-12-06 19:13:00,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-12-06 19:13:00,037 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 34 letters. Loop has 4 letters. [2021-12-06 19:13:00,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:13:00,037 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 19:13:00,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:13:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:13:00,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-06 19:13:00,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:13:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:13:00,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 19:13:00,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:13:00,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:13:00,248 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2021-12-06 19:13:00,248 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 85 states and 122 transitions. cyclomatic complexity: 47 Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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) [2021-12-06 19:13:00,336 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 85 states and 122 transitions. cyclomatic complexity: 47. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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 113 states and 159 transitions. Complement of second has 13 states. [2021-12-06 19:13:00,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2021-12-06 19:13:00,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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) [2021-12-06 19:13:00,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 62 transitions. [2021-12-06 19:13:00,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 62 transitions. Stem has 34 letters. Loop has 4 letters. [2021-12-06 19:13:00,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:13:00,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 62 transitions. Stem has 38 letters. Loop has 4 letters. [2021-12-06 19:13:00,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:13:00,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 62 transitions. Stem has 34 letters. Loop has 8 letters. [2021-12-06 19:13:00,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:13:00,338 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 113 states and 159 transitions. [2021-12-06 19:13:00,339 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:13:00,339 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 113 states to 81 states and 114 transitions. [2021-12-06 19:13:00,339 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-06 19:13:00,340 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-06 19:13:00,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 81 states and 114 transitions. [2021-12-06 19:13:00,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:13:00,340 INFO L681 BuchiCegarLoop]: Abstraction has 81 states and 114 transitions. [2021-12-06 19:13:00,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states and 114 transitions. [2021-12-06 19:13:00,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 71. [2021-12-06 19:13:00,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 71 states have (on average 1.4225352112676057) internal successors, (101), 70 states have internal predecessors, (101), 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) [2021-12-06 19:13:00,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 101 transitions. [2021-12-06 19:13:00,343 INFO L704 BuchiCegarLoop]: Abstraction has 71 states and 101 transitions. [2021-12-06 19:13:00,343 INFO L587 BuchiCegarLoop]: Abstraction has 71 states and 101 transitions. [2021-12-06 19:13:00,344 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-12-06 19:13:00,344 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 101 transitions. [2021-12-06 19:13:00,344 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:13:00,344 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:13:00,344 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:13:00,345 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2021-12-06 19:13:00,345 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:13:00,346 INFO L791 eck$LassoCheckResult]: Stem: 4833#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4834#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 4831#L565 assume !(main_~array_size~0#1 < 1); 4832#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 4835#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 4836#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 4837#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 4838#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 4867#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 4866#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 4865#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 4864#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 4863#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 4844#L552-4 lis_~i~0#1 := 1; 4845#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 4858#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 4870#L556 assume !lis_#t~short11#1; 4872#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 4871#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 4869#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 4856#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 4857#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 4877#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 4876#L556 assume !lis_#t~short11#1; 4875#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 4873#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 4874#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 4880#L556 assume !lis_#t~short11#1; 4882#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 4881#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 4879#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 4878#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 4859#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 4841#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 4842#L556 assume !lis_#t~short11#1; 4847#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 4901#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 4891#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 4889#L556 assume !lis_#t~short11#1; 4885#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 4883#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 4868#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 4862#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 4860#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 4839#L555-3 [2021-12-06 19:13:00,346 INFO L793 eck$LassoCheckResult]: Loop: 4839#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 4840#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 4846#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 4850#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 4839#L555-3 [2021-12-06 19:13:00,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:13:00,346 INFO L85 PathProgramCache]: Analyzing trace with hash -148329829, now seen corresponding path program 9 times [2021-12-06 19:13:00,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:13:00,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843662000] [2021-12-06 19:13:00,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:13:00,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:13:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:13:00,398 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-12-06 19:13:00,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:13:00,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843662000] [2021-12-06 19:13:00,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843662000] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:13:00,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162560363] [2021-12-06 19:13:00,399 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 19:13:00,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:13:00,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:13:00,400 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:13:00,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (115)] Waiting until timeout for monitored process [2021-12-06 19:13:00,511 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-12-06 19:13:00,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:13:00,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 19:13:00,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:13:00,644 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 54 proven. 16 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-06 19:13:00,644 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:13:00,709 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 54 proven. 16 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-06 19:13:00,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162560363] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:13:00,709 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:13:00,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 11] total 22 [2021-12-06 19:13:00,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468501526] [2021-12-06 19:13:00,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:13:00,710 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:13:00,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:13:00,710 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 10 times [2021-12-06 19:13:00,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:13:00,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912424420] [2021-12-06 19:13:00,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:13:00,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:13:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:13:00,715 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:13:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:13:00,720 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:13:00,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:13:00,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-06 19:13:00,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2021-12-06 19:13:00,877 INFO L87 Difference]: Start difference. First operand 71 states and 101 transitions. cyclomatic complexity: 38 Second operand has 22 states, 22 states have (on average 4.090909090909091) internal successors, (90), 22 states have internal predecessors, (90), 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) [2021-12-06 19:13:01,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:13:01,234 INFO L93 Difference]: Finished difference Result 237 states and 336 transitions. [2021-12-06 19:13:01,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-12-06 19:13:01,234 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 237 states and 336 transitions. [2021-12-06 19:13:01,236 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-12-06 19:13:01,237 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 237 states to 227 states and 320 transitions. [2021-12-06 19:13:01,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2021-12-06 19:13:01,237 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 76 [2021-12-06 19:13:01,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 227 states and 320 transitions. [2021-12-06 19:13:01,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:13:01,238 INFO L681 BuchiCegarLoop]: Abstraction has 227 states and 320 transitions. [2021-12-06 19:13:01,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states and 320 transitions. [2021-12-06 19:13:01,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 140. [2021-12-06 19:13:01,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 140 states have (on average 1.4214285714285715) internal successors, (199), 139 states have internal predecessors, (199), 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) [2021-12-06 19:13:01,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 199 transitions. [2021-12-06 19:13:01,242 INFO L704 BuchiCegarLoop]: Abstraction has 140 states and 199 transitions. [2021-12-06 19:13:01,242 INFO L587 BuchiCegarLoop]: Abstraction has 140 states and 199 transitions. [2021-12-06 19:13:01,242 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-12-06 19:13:01,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 140 states and 199 transitions. [2021-12-06 19:13:01,243 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:13:01,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:13:01,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:13:01,244 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:13:01,244 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 19:13:01,244 INFO L791 eck$LassoCheckResult]: Stem: 5488#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5489#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 5486#L565 assume !(main_~array_size~0#1 < 1); 5487#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 5490#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 5491#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 5492#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 5493#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 5511#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 5539#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 5537#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 5538#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 5524#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 5526#L552-4 lis_~i~0#1 := 1; 5574#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 5573#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 5570#L556 assume !lis_#t~short11#1; 5572#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 5571#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 5569#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 5568#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 5567#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 5566#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 5565#L556 assume !lis_#t~short11#1; 5564#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 5563#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 5562#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 5559#L556 assume !lis_#t~short11#1; 5561#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 5560#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 5558#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 5557#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 5556#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 5555#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 5553#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 5552#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 5549#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 5546#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 5542#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 5528#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 5536#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 5534#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 5527#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 5523#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 5520#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 5519#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 5512#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 5513#L554-3 assume !(lis_~i~0#1 < lis_~N#1); 5510#L554-4 lis_~i~0#1 := 0; 5502#L558-3 [2021-12-06 19:13:01,244 INFO L793 eck$LassoCheckResult]: Loop: 5502#L558-3 assume !!(lis_~i~0#1 < lis_~N#1);call lis_#t~mem14#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4); 5503#L559 assume lis_~max~0#1 < lis_#t~mem14#1;havoc lis_#t~mem14#1;call lis_#t~mem15#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);lis_~max~0#1 := lis_#t~mem15#1;havoc lis_#t~mem15#1; 5509#L558-2 lis_#t~post13#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post13#1;havoc lis_#t~post13#1; 5502#L558-3 [2021-12-06 19:13:01,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:13:01,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1825168860, now seen corresponding path program 1 times [2021-12-06 19:13:01,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:13:01,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955867331] [2021-12-06 19:13:01,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:13:01,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:13:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:13:01,558 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 37 proven. 60 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 19:13:01,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:13:01,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955867331] [2021-12-06 19:13:01,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955867331] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:13:01,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922876414] [2021-12-06 19:13:01,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:13:01,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:13:01,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:13:01,559 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:13:01,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (116)] Waiting until timeout for monitored process [2021-12-06 19:13:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:13:01,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 43 conjunts are in the unsatisfiable core [2021-12-06 19:13:01,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:13:01,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 94 [2021-12-06 19:13:01,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 18 [2021-12-06 19:13:01,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-12-06 19:13:01,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:13:01,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-12-06 19:13:01,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-12-06 19:13:02,151 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:13:02,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 13 [2021-12-06 19:13:02,179 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 18 proven. 81 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-06 19:13:02,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:13:02,456 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1105 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|) (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |c_ULTIMATE.start_lis_~i~0#1| 4) 4) 1)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1105) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 12)) (+ (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 8)) 1)))) is different from false [2021-12-06 19:13:02,465 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:13:02,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 74 [2021-12-06 19:13:02,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 123 [2021-12-06 19:13:02,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:02,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 109 [2021-12-06 19:13:02,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:02,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 108 [2021-12-06 19:13:02,505 INFO L354 Elim1Store]: treesize reduction 20, result has 51.2 percent of original size [2021-12-06 19:13:02,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 128 treesize of output 126 [2021-12-06 19:13:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 18 proven. 78 refuted. 0 times theorem prover too weak. 7 trivial. 3 not checked. [2021-12-06 19:13:02,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922876414] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:13:02,652 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:13:02,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 41 [2021-12-06 19:13:02,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082493461] [2021-12-06 19:13:02,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:13:02,653 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:13:02,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:13:02,653 INFO L85 PathProgramCache]: Analyzing trace with hash 97415, now seen corresponding path program 1 times [2021-12-06 19:13:02,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:13:02,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751381797] [2021-12-06 19:13:02,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:13:02,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:13:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:13:02,657 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:13:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:13:02,659 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:13:02,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:13:02,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-12-06 19:13:02,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1412, Unknown=6, NotChecked=76, Total=1640 [2021-12-06 19:13:02,685 INFO L87 Difference]: Start difference. First operand 140 states and 199 transitions. cyclomatic complexity: 71 Second operand has 41 states, 41 states have (on average 2.8536585365853657) internal successors, (117), 41 states have internal predecessors, (117), 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) [2021-12-06 19:13:04,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:13:04,706 INFO L93 Difference]: Finished difference Result 364 states and 522 transitions. [2021-12-06 19:13:04,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-12-06 19:13:04,707 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 364 states and 522 transitions. [2021-12-06 19:13:04,709 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-12-06 19:13:04,711 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 364 states to 364 states and 522 transitions. [2021-12-06 19:13:04,711 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 73 [2021-12-06 19:13:04,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 73 [2021-12-06 19:13:04,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 364 states and 522 transitions. [2021-12-06 19:13:04,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:13:04,712 INFO L681 BuchiCegarLoop]: Abstraction has 364 states and 522 transitions. [2021-12-06 19:13:04,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states and 522 transitions. [2021-12-06 19:13:04,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 241. [2021-12-06 19:13:04,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 241 states have (on average 1.5062240663900415) internal successors, (363), 240 states have internal predecessors, (363), 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) [2021-12-06 19:13:04,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 363 transitions. [2021-12-06 19:13:04,718 INFO L704 BuchiCegarLoop]: Abstraction has 241 states and 363 transitions. [2021-12-06 19:13:04,718 INFO L587 BuchiCegarLoop]: Abstraction has 241 states and 363 transitions. [2021-12-06 19:13:04,718 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-12-06 19:13:04,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 241 states and 363 transitions. [2021-12-06 19:13:04,719 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-06 19:13:04,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:13:04,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:13:04,719 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:13:04,719 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 19:13:04,720 INFO L791 eck$LassoCheckResult]: Stem: 6398#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6399#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 6396#L565 assume !(main_~array_size~0#1 < 1); 6397#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 6400#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 6401#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 6402#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 6403#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 6421#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 6484#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 6482#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 6483#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 6439#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 6441#L552-4 lis_~i~0#1 := 1; 6425#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 6426#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 6619#L556 assume !lis_#t~short11#1; 6617#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 6605#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 6606#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 6423#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 6424#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 6592#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 6591#L556 assume !lis_#t~short11#1; 6590#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 6574#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 6615#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 6563#L556 assume !lis_#t~short11#1; 6581#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 6565#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 6562#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 6552#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 6551#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 6549#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 6547#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 6546#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 6540#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 6541#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 6531#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 6530#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 6525#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 6526#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 6524#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 6519#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 6416#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 6404#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 6405#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 6422#L554-3 assume !(lis_~i~0#1 < lis_~N#1); 6420#L554-4 lis_~i~0#1 := 0; 6413#L558-3 [2021-12-06 19:13:04,720 INFO L793 eck$LassoCheckResult]: Loop: 6413#L558-3 assume !!(lis_~i~0#1 < lis_~N#1);call lis_#t~mem14#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4); 6414#L559 assume lis_~max~0#1 < lis_#t~mem14#1;havoc lis_#t~mem14#1;call lis_#t~mem15#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);lis_~max~0#1 := lis_#t~mem15#1;havoc lis_#t~mem15#1; 6419#L558-2 lis_#t~post13#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post13#1;havoc lis_#t~post13#1; 6413#L558-3 [2021-12-06 19:13:04,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:13:04,720 INFO L85 PathProgramCache]: Analyzing trace with hash 2054490212, now seen corresponding path program 1 times [2021-12-06 19:13:04,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:13:04,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463393564] [2021-12-06 19:13:04,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:13:04,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:13:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:13:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-12-06 19:13:04,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:13:04,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463393564] [2021-12-06 19:13:04,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463393564] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:13:04,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:13:04,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:13:04,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799997829] [2021-12-06 19:13:04,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:13:04,747 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:13:04,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:13:04,748 INFO L85 PathProgramCache]: Analyzing trace with hash 97415, now seen corresponding path program 2 times [2021-12-06 19:13:04,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:13:04,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151267871] [2021-12-06 19:13:04,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:13:04,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:13:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:13:04,752 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:13:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:13:04,755 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:13:04,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:13:04,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:13:04,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:13:04,785 INFO L87 Difference]: Start difference. First operand 241 states and 363 transitions. cyclomatic complexity: 138 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:13:04,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:13:04,793 INFO L93 Difference]: Finished difference Result 263 states and 373 transitions. [2021-12-06 19:13:04,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:13:04,794 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 263 states and 373 transitions. [2021-12-06 19:13:04,795 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-06 19:13:04,797 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 263 states to 261 states and 368 transitions. [2021-12-06 19:13:04,797 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-12-06 19:13:04,797 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-12-06 19:13:04,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 261 states and 368 transitions. [2021-12-06 19:13:04,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:13:04,798 INFO L681 BuchiCegarLoop]: Abstraction has 261 states and 368 transitions. [2021-12-06 19:13:04,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states and 368 transitions. [2021-12-06 19:13:04,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 260. [2021-12-06 19:13:04,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 260 states have (on average 1.4115384615384616) internal successors, (367), 259 states have internal predecessors, (367), 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) [2021-12-06 19:13:04,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 367 transitions. [2021-12-06 19:13:04,803 INFO L704 BuchiCegarLoop]: Abstraction has 260 states and 367 transitions. [2021-12-06 19:13:04,803 INFO L587 BuchiCegarLoop]: Abstraction has 260 states and 367 transitions. [2021-12-06 19:13:04,803 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-12-06 19:13:04,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 260 states and 367 transitions. [2021-12-06 19:13:04,804 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-06 19:13:04,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:13:04,804 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:13:04,805 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 6, 5, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:13:04,805 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 19:13:04,805 INFO L791 eck$LassoCheckResult]: Stem: 6912#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6913#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 6906#L565 assume !(main_~array_size~0#1 < 1); 6907#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 6908#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 6909#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 6910#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 6911#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 7128#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 7127#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 7126#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 7124#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 7123#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 7122#L552-4 lis_~i~0#1 := 1; 7119#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 7115#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 7114#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 7113#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 7060#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 7061#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 7050#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 7047#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 7044#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 7039#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 7029#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 7027#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 7025#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 7023#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 7010#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 7007#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 7008#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 7004#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 7003#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 7002#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 7000#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 7001#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 6986#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 6990#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 6963#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 6964#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 6973#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 6958#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 6955#L556 assume !lis_#t~short11#1; 6927#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 6928#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 6916#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 6917#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 6934#L554-3 assume !(lis_~i~0#1 < lis_~N#1); 6933#L554-4 lis_~i~0#1 := 0; 6925#L558-3 [2021-12-06 19:13:04,805 INFO L793 eck$LassoCheckResult]: Loop: 6925#L558-3 assume !!(lis_~i~0#1 < lis_~N#1);call lis_#t~mem14#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4); 6926#L559 assume lis_~max~0#1 < lis_#t~mem14#1;havoc lis_#t~mem14#1;call lis_#t~mem15#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);lis_~max~0#1 := lis_#t~mem15#1;havoc lis_#t~mem15#1; 6932#L558-2 lis_#t~post13#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post13#1;havoc lis_#t~post13#1; 6925#L558-3 [2021-12-06 19:13:04,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:13:04,806 INFO L85 PathProgramCache]: Analyzing trace with hash -673977496, now seen corresponding path program 2 times [2021-12-06 19:13:04,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:13:04,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787709642] [2021-12-06 19:13:04,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:13:04,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:13:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:13:05,662 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 19:13:05,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:13:05,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787709642] [2021-12-06 19:13:05,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787709642] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:13:05,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393179574] [2021-12-06 19:13:05,663 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 19:13:05,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:13:05,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:13:05,664 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:13:05,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (117)] Waiting until timeout for monitored process [2021-12-06 19:13:05,747 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 19:13:05,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:13:05,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 36 conjunts are in the unsatisfiable core [2021-12-06 19:13:05,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:13:05,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2021-12-06 19:13:05,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:13:05,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-12-06 19:13:05,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2021-12-06 19:13:05,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:05,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:13:05,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:13:05,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:13:05,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 45 [2021-12-06 19:13:05,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2021-12-06 19:13:06,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:13:06,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:13:06,083 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:13:06,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 15 [2021-12-06 19:13:06,115 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 52 proven. 21 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 19:13:06,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:13:06,185 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1250 (Array Int Int))) (let ((.cse1 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |c_ULTIMATE.start_lis_~i~0#1| 4))) (.cse2 (* |c_ULTIMATE.start_lis_~j~0#1| 4))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (store .cse3 .cse1 (+ (select .cse3 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| .cse2)) 1)))) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1250) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse0 .cse1) (+ (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| .cse2 4)) 1))))) is different from false [2021-12-06 19:13:06,196 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1250 (Array Int Int))) (let ((.cse1 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |c_ULTIMATE.start_lis_~i~0#1| 4)))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (store .cse2 .cse1 (+ (select .cse2 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1)))) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1250) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse0 .cse1) (+ 1 (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 4))))))) is different from false [2021-12-06 19:13:06,208 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_lis_~i~0#1_625| Int)) (or (< |v_ULTIMATE.start_lis_~i~0#1_625| (+ |c_ULTIMATE.start_lis_~i~0#1| 1)) (forall ((v_ArrVal_1250 (Array Int Int))) (let ((.cse1 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |v_ULTIMATE.start_lis_~i~0#1_625| 4)))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (store .cse2 .cse1 (+ (select .cse2 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1)))) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1250) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse0 .cse1) (+ (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 4)) 1))))))) is different from false [2021-12-06 19:13:06,251 INFO L354 Elim1Store]: treesize reduction 28, result has 54.8 percent of original size [2021-12-06 19:13:06,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 118 [2021-12-06 19:13:06,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 130 [2021-12-06 19:13:06,264 INFO L354 Elim1Store]: treesize reduction 9, result has 35.7 percent of original size [2021-12-06 19:13:06,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 85 [2021-12-06 19:13:06,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:06,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:06,283 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:13:06,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 60 treesize of output 110 [2021-12-06 19:13:06,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:06,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:06,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-12-06 19:13:06,545 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 52 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 11 not checked. [2021-12-06 19:13:06,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393179574] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:13:06,545 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:13:06,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 12, 11] total 44 [2021-12-06 19:13:06,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869163294] [2021-12-06 19:13:06,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:13:06,546 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:13:06,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:13:06,546 INFO L85 PathProgramCache]: Analyzing trace with hash 97415, now seen corresponding path program 3 times [2021-12-06 19:13:06,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:13:06,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275165181] [2021-12-06 19:13:06,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:13:06,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:13:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:13:06,549 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:13:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:13:06,552 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:13:06,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:13:06,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-12-06 19:13:06,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=1404, Unknown=3, NotChecked=240, Total=1892 [2021-12-06 19:13:06,587 INFO L87 Difference]: Start difference. First operand 260 states and 367 transitions. cyclomatic complexity: 123 Second operand has 44 states, 44 states have (on average 2.159090909090909) internal successors, (95), 44 states have internal predecessors, (95), 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) [2021-12-06 19:13:07,365 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (and (not (= |c_ULTIMATE.start_lis_~prev~0#1.base| |c_ULTIMATE.start_lis_~best~0#1.base|)) (<= 2 (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |c_ULTIMATE.start_lis_~i~0#1| 4)))) (= |c_ULTIMATE.start_lis_~best~0#1.offset| 0) (<= |c_ULTIMATE.start_lis_~N#1| 4) (forall ((|v_ULTIMATE.start_lis_~i~0#1_625| Int)) (or (< |v_ULTIMATE.start_lis_~i~0#1_625| (+ |c_ULTIMATE.start_lis_~i~0#1| 1)) (forall ((v_ArrVal_1250 (Array Int Int))) (let ((.cse2 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |v_ULTIMATE.start_lis_~i~0#1_625| 4)))) (let ((.cse1 (select (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (store .cse3 .cse2 (+ (select .cse3 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1)))) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1250) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse1 .cse2) (+ (select .cse1 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 4)) 1))))))) (= (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |c_ULTIMATE.start_lis_~j~0#1| 4))) 1) (= |c_ULTIMATE.start_lis_~i~0#1| 1) (< (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* 4 |c_ULTIMATE.start_lis_~i~0#1|)) (+ |c_ULTIMATE.start_lis_~N#1| 1)) (= |c_ULTIMATE.start_lis_~j~0#1| 0))) is different from false [2021-12-06 19:13:07,825 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (* 4 |c_ULTIMATE.start_lis_~j~0#1|)) (.cse0 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (let ((.cse2 (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |c_ULTIMATE.start_lis_~i~0#1| 4)))) (.cse3 (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |c_ULTIMATE.start_lis_~j~0#1| 4)))) (.cse4 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| .cse1))) (and (not (= |c_ULTIMATE.start_lis_~prev~0#1.base| |c_ULTIMATE.start_lis_~best~0#1.base|)) (= (select .cse0 0) 1) (<= (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 9 .cse1) (* 4 |c_ULTIMATE.start_lis_~N#1|)) (<= 2 .cse2) (= |c_ULTIMATE.start_lis_~best~0#1.offset| 0) (<= |c_ULTIMATE.start_lis_~N#1| 4) (or (<= .cse2 .cse3) (not (= |c_ULTIMATE.start_lis_~N#1| .cse4))) (forall ((|v_ULTIMATE.start_lis_~i~0#1_625| Int)) (or (< |v_ULTIMATE.start_lis_~i~0#1_625| (+ |c_ULTIMATE.start_lis_~i~0#1| 1)) (forall ((v_ArrVal_1250 (Array Int Int))) (let ((.cse6 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |v_ULTIMATE.start_lis_~i~0#1_625| 4)))) (let ((.cse5 (select (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (store .cse7 .cse6 (+ (select .cse7 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1)))) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1250) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse5 .cse6) (+ (select .cse5 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 4)) 1))))))) (= |c_ULTIMATE.start_lis_~i~0#1| 1) (< .cse2 (+ .cse3 1)) (or (<= 4 |c_ULTIMATE.start_lis_~N#1|) (<= |c_ULTIMATE.start_lis_~N#1| .cse4)) (< (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* 4 |c_ULTIMATE.start_lis_~i~0#1|)) (+ |c_ULTIMATE.start_lis_~N#1| 1)) (<= .cse1 |c_ULTIMATE.start_lis_~N#1|)))) is different from false [2021-12-06 19:13:08,297 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_lis_~prev~0#1.base| |c_ULTIMATE.start_lis_~best~0#1.base|)) (= |c_ULTIMATE.start_lis_~best~0#1.offset| 0) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (<= (+ (select .cse0 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1) (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |c_ULTIMATE.start_lis_~i~0#1| 4))))) (forall ((|v_ULTIMATE.start_lis_~i~0#1_625| Int)) (or (< |v_ULTIMATE.start_lis_~i~0#1_625| (+ |c_ULTIMATE.start_lis_~i~0#1| 1)) (forall ((v_ArrVal_1250 (Array Int Int))) (let ((.cse2 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |v_ULTIMATE.start_lis_~i~0#1_625| 4)))) (let ((.cse1 (select (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (store .cse3 .cse2 (+ (select .cse3 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1)))) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1250) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse1 .cse2) (+ (select .cse1 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 4)) 1))))))) (= |c_ULTIMATE.start_lis_~i~0#1| 1) (<= (+ |c_ULTIMATE.start_lis_~i~0#1| 1) |c_ULTIMATE.start_lis_~N#1|) (= |c_ULTIMATE.start_lis_~j~0#1| 0)) is different from false [2021-12-06 19:13:08,698 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (and (not (= |c_ULTIMATE.start_lis_~prev~0#1.base| |c_ULTIMATE.start_lis_~best~0#1.base|)) (= (select .cse0 0) 1) (<= 2 (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |c_ULTIMATE.start_lis_~i~0#1| 4)))) (= |c_ULTIMATE.start_lis_~best~0#1.offset| 0) (<= |c_ULTIMATE.start_lis_~N#1| 4) (forall ((|v_ULTIMATE.start_lis_~i~0#1_625| Int)) (or (< |v_ULTIMATE.start_lis_~i~0#1_625| (+ |c_ULTIMATE.start_lis_~i~0#1| 1)) (forall ((v_ArrVal_1250 (Array Int Int))) (let ((.cse2 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |v_ULTIMATE.start_lis_~i~0#1_625| 4)))) (let ((.cse1 (select (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (store .cse3 .cse2 (+ (select .cse3 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1)))) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1250) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse1 .cse2) (+ (select .cse1 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 4)) 1))))))) (= |c_ULTIMATE.start_lis_~i~0#1| 1) (< (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* 4 |c_ULTIMATE.start_lis_~i~0#1|)) (+ |c_ULTIMATE.start_lis_~N#1| 1)))) is different from false [2021-12-06 19:13:09,208 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (let ((.cse1 (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |c_ULTIMATE.start_lis_~i~0#1| 4))))) (and (not (= |c_ULTIMATE.start_lis_~prev~0#1.base| |c_ULTIMATE.start_lis_~best~0#1.base|)) (= |c_ULTIMATE.start_lis_~best~0#1.offset| 0) (<= (+ (select .cse0 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1) .cse1) (forall ((|v_ULTIMATE.start_lis_~i~0#1_625| Int)) (or (< |v_ULTIMATE.start_lis_~i~0#1_625| (+ |c_ULTIMATE.start_lis_~i~0#1| 1)) (forall ((v_ArrVal_1250 (Array Int Int))) (let ((.cse3 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |v_ULTIMATE.start_lis_~i~0#1_625| 4)))) (let ((.cse2 (select (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (store .cse4 .cse3 (+ (select .cse4 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1)))) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1250) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse2 .cse3) (+ (select .cse2 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 4)) 1))))))) (= |c_ULTIMATE.start_lis_~i~0#1| 1) (< .cse1 (+ (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |c_ULTIMATE.start_lis_~j~0#1| 4))) 1))))) is different from false [2021-12-06 19:13:09,774 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_lis_~prev~0#1.base| |c_ULTIMATE.start_lis_~best~0#1.base|)) (= |c_ULTIMATE.start_lis_~best~0#1.offset| 0) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (<= (+ (select .cse0 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1) (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |c_ULTIMATE.start_lis_~i~0#1| 4))))) (forall ((|v_ULTIMATE.start_lis_~i~0#1_625| Int)) (or (< |v_ULTIMATE.start_lis_~i~0#1_625| (+ |c_ULTIMATE.start_lis_~i~0#1| 1)) (forall ((v_ArrVal_1250 (Array Int Int))) (let ((.cse2 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |v_ULTIMATE.start_lis_~i~0#1_625| 4)))) (let ((.cse1 (select (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (store .cse3 .cse2 (+ (select .cse3 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1)))) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1250) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse1 .cse2) (+ (select .cse1 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 4)) 1))))))) (= |c_ULTIMATE.start_lis_~i~0#1| 1)) is different from false [2021-12-06 19:13:11,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:13:11,137 INFO L93 Difference]: Finished difference Result 653 states and 899 transitions. [2021-12-06 19:13:11,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-12-06 19:13:11,137 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 653 states and 899 transitions. [2021-12-06 19:13:11,140 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 29 [2021-12-06 19:13:11,143 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 653 states to 653 states and 899 transitions. [2021-12-06 19:13:11,143 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2021-12-06 19:13:11,144 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2021-12-06 19:13:11,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 653 states and 899 transitions. [2021-12-06 19:13:11,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:13:11,144 INFO L681 BuchiCegarLoop]: Abstraction has 653 states and 899 transitions. [2021-12-06 19:13:11,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states and 899 transitions. [2021-12-06 19:13:11,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 364. [2021-12-06 19:13:11,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 364 states have (on average 1.4093406593406594) internal successors, (513), 363 states have internal predecessors, (513), 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) [2021-12-06 19:13:11,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 513 transitions. [2021-12-06 19:13:11,151 INFO L704 BuchiCegarLoop]: Abstraction has 364 states and 513 transitions. [2021-12-06 19:13:11,151 INFO L587 BuchiCegarLoop]: Abstraction has 364 states and 513 transitions. [2021-12-06 19:13:11,151 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-12-06 19:13:11,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 364 states and 513 transitions. [2021-12-06 19:13:11,152 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-06 19:13:11,152 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:13:11,152 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:13:11,153 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:13:11,153 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 19:13:11,153 INFO L791 eck$LassoCheckResult]: Stem: 8253#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8254#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 8251#L565 assume !(main_~array_size~0#1 < 1); 8252#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 8255#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 8256#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 8257#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 8258#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 8276#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 8293#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 8292#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 8287#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 8288#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 8263#L552-4 lis_~i~0#1 := 1; 8264#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 8368#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 8355#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 8364#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 8403#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 8401#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 8400#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 8399#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 8398#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 8396#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 8397#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 8420#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 8418#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 8417#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 8344#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 8414#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 8412#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 8411#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 8410#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 8409#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 8407#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 8408#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 8366#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 8388#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 8369#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 8339#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 8359#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 8357#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 8338#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 8299#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 8295#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 8291#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 8277#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 8278#L554-3 assume !(lis_~i~0#1 < lis_~N#1); 8275#L554-4 lis_~i~0#1 := 0; 8265#L558-3 [2021-12-06 19:13:11,153 INFO L793 eck$LassoCheckResult]: Loop: 8265#L558-3 assume !!(lis_~i~0#1 < lis_~N#1);call lis_#t~mem14#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4); 8266#L559 assume lis_~max~0#1 < lis_#t~mem14#1;havoc lis_#t~mem14#1;call lis_#t~mem15#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);lis_~max~0#1 := lis_#t~mem15#1;havoc lis_#t~mem15#1; 8274#L558-2 lis_#t~post13#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post13#1;havoc lis_#t~post13#1; 8265#L558-3 [2021-12-06 19:13:11,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:13:11,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1423280612, now seen corresponding path program 1 times [2021-12-06 19:13:11,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:13:11,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158594934] [2021-12-06 19:13:11,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:13:11,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:13:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:13:11,918 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 104 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:13:11,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:13:11,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158594934] [2021-12-06 19:13:11,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158594934] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:13:11,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183468572] [2021-12-06 19:13:11,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:13:11,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:13:11,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:13:11,919 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:13:11,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc985102-1574-492a-8978-f55e56e9fafb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (118)] Waiting until timeout for monitored process [2021-12-06 19:13:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:13:12,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 65 conjunts are in the unsatisfiable core [2021-12-06 19:13:12,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:13:12,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2021-12-06 19:13:12,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 18 [2021-12-06 19:13:12,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-12-06 19:13:12,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:13:12,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-12-06 19:13:12,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-12-06 19:13:12,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:13:12,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:13:12,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:13:12,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-12-06 19:13:12,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-12-06 19:13:12,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:13:12,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:13:12,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:12,398 INFO L354 Elim1Store]: treesize reduction 48, result has 40.0 percent of original size [2021-12-06 19:13:12,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 68 treesize of output 71 [2021-12-06 19:13:12,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 72 [2021-12-06 19:13:12,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:13:12,547 INFO L354 Elim1Store]: treesize reduction 48, result has 40.0 percent of original size [2021-12-06 19:13:12,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 71 [2021-12-06 19:13:12,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 72 [2021-12-06 19:13:12,774 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:13:12,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 13 [2021-12-06 19:13:12,799 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 21 proven. 84 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:13:12,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:13:12,974 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_lis_~j~0#1| Int)) (or (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (<= (+ (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |ULTIMATE.start_lis_~j~0#1| 4))) 1) (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |c_ULTIMATE.start_lis_~i~0#1| 4))))) (forall ((v_ArrVal_1372 (Array Int Int))) (let ((.cse2 (* |c_ULTIMATE.start_lis_~i~0#1| 4))) (let ((.cse1 (select (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (store .cse3 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| .cse2) (+ (select .cse3 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |ULTIMATE.start_lis_~j~0#1| 4))) 1)))) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1372) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse1 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| .cse2 4)) (+ (select .cse1 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 8)) 1))))))) is different from false [2021-12-06 19:13:13,126 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_lis_~j~0#1| Int)) (or (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (<= (+ (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |ULTIMATE.start_lis_~j~0#1| 4))) 1) (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |c_ULTIMATE.start_lis_~i~0#1| 4))))) (forall ((|v_ULTIMATE.start_lis_~j~0#1_347| Int) (v_ArrVal_1366 (Array Int Int)) (v_ArrVal_1372 (Array Int Int))) (let ((.cse5 (* |c_ULTIMATE.start_lis_~i~0#1| 4))) (let ((.cse3 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| .cse5))) (let ((.cse6 (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|))) (store .cse7 .cse3 (+ (select .cse7 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |ULTIMATE.start_lis_~j~0#1| 4))) 1)))) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1366))) (let ((.cse2 (select .cse6 |c_ULTIMATE.start_lis_~best~0#1.base|))) (let ((.cse1 (+ (select .cse2 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |v_ULTIMATE.start_lis_~j~0#1_347| 4))) 1))) (or (<= .cse1 (select .cse2 .cse3)) (let ((.cse4 (select (store (store .cse6 |c_ULTIMATE.start_lis_~best~0#1.base| (store .cse2 .cse3 .cse1)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1372) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse4 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| .cse5 4)) (+ (select .cse4 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 8)) 1)))))))))))) is different from false [2021-12-06 19:13:13,218 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_lis_~j~0#1_347| Int) (v_ArrVal_1366 (Array Int Int)) (|ULTIMATE.start_lis_~j~0#1| Int) (v_ArrVal_1372 (Array Int Int))) (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|)) (.cse1 (* |c_ULTIMATE.start_lis_~i~0#1| 4))) (let ((.cse4 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| .cse1 4)) (.cse6 (+ (select .cse7 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |ULTIMATE.start_lis_~j~0#1| 4))) 1))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (store .cse7 .cse4 .cse6)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1366))) (let ((.cse3 (select .cse2 |c_ULTIMATE.start_lis_~best~0#1.base|))) (let ((.cse5 (+ (select .cse3 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |v_ULTIMATE.start_lis_~j~0#1_347| 4))) 1))) (or (let ((.cse0 (select (store (store .cse2 |c_ULTIMATE.start_lis_~best~0#1.base| (store .cse3 .cse4 .cse5)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1372) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| .cse1 8)) (+ (select .cse0 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 8)) 1))) (<= .cse6 (select .cse7 .cse4)) (<= .cse5 (select .cse3 .cse4))))))))) is different from false [2021-12-06 19:13:13,306 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_lis_~j~0#1_347| Int) (v_ArrVal_1364 Int) (v_ArrVal_1366 (Array Int Int)) (v_ArrVal_1365 (Array Int Int)) (|ULTIMATE.start_lis_~j~0#1| Int) (v_ArrVal_1372 (Array Int Int))) (let ((.cse6 (* |c_ULTIMATE.start_lis_~i~0#1| 4))) (let ((.cse8 (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|) (+ |c_ULTIMATE.start_lis_~best~0#1.offset| .cse6) v_ArrVal_1364)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1365))) (let ((.cse4 (select .cse8 |c_ULTIMATE.start_lis_~best~0#1.base|))) (let ((.cse2 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| .cse6 4)) (.cse3 (+ (select .cse4 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |ULTIMATE.start_lis_~j~0#1| 4))) 1))) (let ((.cse7 (store (store .cse8 |c_ULTIMATE.start_lis_~best~0#1.base| (store .cse4 .cse2 .cse3)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1366))) (let ((.cse1 (select .cse7 |c_ULTIMATE.start_lis_~best~0#1.base|))) (let ((.cse0 (+ (select .cse1 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |v_ULTIMATE.start_lis_~j~0#1_347| 4))) 1))) (or (<= .cse0 (select .cse1 .cse2)) (<= .cse3 (select .cse4 .cse2)) (let ((.cse5 (select (store (store .cse7 |c_ULTIMATE.start_lis_~best~0#1.base| (store .cse1 .cse2 .cse0)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1372) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse5 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| .cse6 8)) (+ (select .cse5 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 8)) 1)))))))))))) is different from false [2021-12-06 19:13:13,409 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_lis_~j~0#1_347| Int) (v_ArrVal_1364 Int) (v_ArrVal_1366 (Array Int Int)) (v_ArrVal_1365 (Array Int Int)) (|ULTIMATE.start_lis_~j~0#1| Int) (v_ArrVal_1372 (Array Int Int))) (let ((.cse7 (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|) (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 4) v_ArrVal_1364)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1365))) (let ((.cse1 (select .cse7 |c_ULTIMATE.start_lis_~best~0#1.base|))) (let ((.cse2 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 8)) (.cse0 (+ (select .cse1 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |ULTIMATE.start_lis_~j~0#1| 4))) 1))) (let ((.cse4 (store (store .cse7 |c_ULTIMATE.start_lis_~best~0#1.base| (store .cse1 .cse2 .cse0)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1366))) (let ((.cse5 (select .cse4 |c_ULTIMATE.start_lis_~best~0#1.base|))) (let ((.cse6 (+ (select .cse5 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |v_ULTIMATE.start_lis_~j~0#1_347| 4))) 1))) (or (<= .cse0 (select .cse1 .cse2)) (let ((.cse3 (select (store (store .cse4 |c_ULTIMATE.start_lis_~best~0#1.base| (store .cse5 .cse2 .cse6)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1372) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse3 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 12)) (+ (select .cse3 .cse2) 1))) (<= .cse6 (select .cse5 .cse2)))))))))) is different from false [2021-12-06 19:13:13,608 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_lis_~j~0#1_347| Int) (v_ArrVal_1364 Int) (v_ArrVal_1366 (Array Int Int)) (v_ArrVal_1365 (Array Int Int)) (|ULTIMATE.start_lis_~j~0#1| Int) (v_ArrVal_1372 (Array Int Int)) (v_ArrVal_1360 (Array Int Int))) (let ((.cse7 (store (let ((.cse8 (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|) (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |c_ULTIMATE.start_lis_~i~0#1| 4) 4) 1)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1360))) (store .cse8 |c_ULTIMATE.start_lis_~best~0#1.base| (store (select .cse8 |c_ULTIMATE.start_lis_~best~0#1.base|) (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 4) v_ArrVal_1364))) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1365))) (let ((.cse4 (select .cse7 |c_ULTIMATE.start_lis_~best~0#1.base|))) (let ((.cse2 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 8)) (.cse3 (+ (select .cse4 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |ULTIMATE.start_lis_~j~0#1| 4))) 1))) (let ((.cse6 (store (store .cse7 |c_ULTIMATE.start_lis_~best~0#1.base| (store .cse4 .cse2 .cse3)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1366))) (let ((.cse1 (select .cse6 |c_ULTIMATE.start_lis_~best~0#1.base|))) (let ((.cse0 (+ (select .cse1 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| (* |v_ULTIMATE.start_lis_~j~0#1_347| 4))) 1))) (or (<= .cse0 (select .cse1 .cse2)) (<= .cse3 (select .cse4 .cse2)) (let ((.cse5 (select (store (store .cse6 |c_ULTIMATE.start_lis_~best~0#1.base| (store .cse1 .cse2 .cse0)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_1372) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse5 (+ |c_ULTIMATE.start_lis_~best~0#1.offset| 12)) (+ (select .cse5 .cse2) 1))))))))))) is different from false [2021-12-06 19:13:13,624 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:13:13,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 3016 treesize of output 1780 [2021-12-06 19:13:13,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2247 treesize of output 2225 [2021-12-06 19:13:13,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:13,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:13,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:13,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:13,790 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:13:13,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 6340 treesize of output 5840 [2021-12-06 19:13:14,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:14,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 3549 treesize of output 3421 [2021-12-06 19:13:14,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:14,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:14,078 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:13:14,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 4679 treesize of output 4547 [2021-12-06 19:13:14,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:14,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:14,191 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:13:14,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 4844 treesize of output 4748 [2021-12-06 19:13:14,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:14,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:14,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:14,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:13:14,300 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:13:14,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 5252 treesize of output 5136 [2021-12-06 19:13:14,579 INFO L354 Elim1Store]: treesize reduction 48, result has 66.9 percent of original size [2021-12-06 19:13:14,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 134163 treesize of output 123453