./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg --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 424cde395b70ff3d0446987dbcbb3aeecf97692a0011a6b2d4755a86aacf6e33 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:24:06,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:24:06,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:24:06,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:24:06,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:24:06,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:24:06,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:24:06,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:24:06,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:24:06,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:24:06,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:24:06,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:24:06,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:24:06,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:24:06,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:24:06,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:24:06,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:24:06,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:24:06,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:24:06,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:24:06,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:24:06,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:24:06,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:24:06,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:24:06,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:24:06,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:24:06,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:24:06,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:24:06,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:24:06,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:24:06,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:24:06,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:24:06,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:24:06,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:24:06,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:24:06,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:24:06,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:24:06,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:24:06,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:24:06,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:24:06,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:24:06,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 09:24:06,736 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:24:06,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:24:06,737 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:24:06,737 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:24:06,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:24:06,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:24:06,740 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:24:06,740 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:24:06,740 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:24:06,740 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:24:06,741 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:24:06,742 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:24:06,742 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:24:06,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:24:06,742 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:24:06,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:24:06,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:24:06,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:24:06,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:24:06,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:24:06,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:24:06,744 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:24:06,744 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:24:06,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:24:06,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:24:06,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:24:06,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:24:06,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:24:06,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:24:06,748 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:24:06,748 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_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 424cde395b70ff3d0446987dbcbb3aeecf97692a0011a6b2d4755a86aacf6e33 [2021-10-28 09:24:07,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:24:07,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:24:07,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:24:07,054 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:24:07,055 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:24:07,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i [2021-10-28 09:24:07,146 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/data/69b6d8541/e85ecdefc9924bf0a8c832af69fc4a06/FLAG63dabdcbc [2021-10-28 09:24:07,711 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:24:07,712 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i [2021-10-28 09:24:07,724 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/data/69b6d8541/e85ecdefc9924bf0a8c832af69fc4a06/FLAG63dabdcbc [2021-10-28 09:24:08,046 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/data/69b6d8541/e85ecdefc9924bf0a8c832af69fc4a06 [2021-10-28 09:24:08,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:24:08,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:24:08,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:24:08,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:24:08,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:24:08,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:24:08" (1/1) ... [2021-10-28 09:24:08,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3389d28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:08, skipping insertion in model container [2021-10-28 09:24:08,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:24:08" (1/1) ... [2021-10-28 09:24:08,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:24:08,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:24:08,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:24:08,404 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:24:08,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:24:08,473 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:24:08,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:08 WrapperNode [2021-10-28 09:24:08,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:24:08,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:24:08,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:24:08,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:24:08,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:08" (1/1) ... [2021-10-28 09:24:08,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:08" (1/1) ... [2021-10-28 09:24:08,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:24:08,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:24:08,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:24:08,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:24:08,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:08" (1/1) ... [2021-10-28 09:24:08,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:08" (1/1) ... [2021-10-28 09:24:08,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:08" (1/1) ... [2021-10-28 09:24:08,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:08" (1/1) ... [2021-10-28 09:24:08,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:08" (1/1) ... [2021-10-28 09:24:08,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:08" (1/1) ... [2021-10-28 09:24:08,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:08" (1/1) ... [2021-10-28 09:24:08,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:24:08,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:24:08,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:24:08,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:24:08,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:08" (1/1) ... [2021-10-28 09:24:08,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:08,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:08,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:08,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:24:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:24:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:24:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:24:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:24:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:24:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:24:09,048 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:24:09,048 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 09:24:09,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:24:09 BoogieIcfgContainer [2021-10-28 09:24:09,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:24:09,051 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:24:09,051 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:24:09,054 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:24:09,055 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:24:09,055 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:24:08" (1/3) ... [2021-10-28 09:24:09,056 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e60ea9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:24:09, skipping insertion in model container [2021-10-28 09:24:09,056 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:24:09,057 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:08" (2/3) ... [2021-10-28 09:24:09,057 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e60ea9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:24:09, skipping insertion in model container [2021-10-28 09:24:09,057 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:24:09,057 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:24:09" (3/3) ... [2021-10-28 09:24:09,058 INFO L389 chiAutomizerObserver]: Analyzing ICFG min_rf-alloca.i [2021-10-28 09:24:09,101 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:24:09,102 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:24:09,102 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:24:09,102 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:24:09,102 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:24:09,102 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:24:09,102 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:24:09,102 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:24:09,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:24:09,136 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:24:09,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:24:09,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:24:09,141 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:24:09,141 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:24:09,141 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:24:09,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:24:09,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:24:09,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:24:09,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:24:09,143 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:24:09,143 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:24:09,149 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 8#L556-1true [2021-10-28 09:24:09,149 INFO L793 eck$LassoCheckResult]: Loop: 8#L556-1true call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 11#L553-1true assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 6#L553-3true assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 13#L554true assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 7#L554-2true assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 8#L556-1true [2021-10-28 09:24:09,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:24:09,155 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 09:24:09,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:24:09,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083019249] [2021-10-28 09:24:09,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:24:09,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:24:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:24:09,286 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:24:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:24:09,356 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:24:09,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:24:09,370 INFO L85 PathProgramCache]: Analyzing trace with hash 35409684, now seen corresponding path program 1 times [2021-10-28 09:24:09,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:24:09,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429607991] [2021-10-28 09:24:09,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:24:09,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:24:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:24:09,437 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:24:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:24:09,471 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:24:09,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:24:09,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849170, now seen corresponding path program 1 times [2021-10-28 09:24:09,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:24:09,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202758703] [2021-10-28 09:24:09,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:24:09,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:24:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:24:09,541 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:24:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:24:09,628 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:24:10,776 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:24:10,779 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:24:10,779 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:24:10,779 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:24:10,779 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:24:10,779 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:10,780 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:24:10,780 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:24:10,780 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration1_Lasso [2021-10-28 09:24:10,780 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:24:10,781 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:24:10,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:10,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:11,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:11,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:11,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:11,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:11,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:11,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:24:11,845 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:24:11,859 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:24:11,861 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:11,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:11,889 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:11,899 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 [2021-10-28 09:24:11,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:24:11,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:11,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:24:11,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:11,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:11,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:11,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:24:11,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:24:11,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:11,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:11,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:11,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:11,962 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:11,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:24:11,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:24:11,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:11,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:24:11,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:11,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:11,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:11,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:24:11,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:24:11,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-28 09:24:12,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,005 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:24:12,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:24:12,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:24:12,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:24:12,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:24:12,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-28 09:24:12,037 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,041 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:24:12,043 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 [2021-10-28 09:24:12,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:24:12,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:24:12,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:24:12,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:12,110 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,114 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,122 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 [2021-10-28 09:24:12,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:24:12,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:24:12,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:24:12,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:24:12,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:12,177 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,178 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:24:12,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:24:12,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:24:12,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:24:12,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:24:12,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:12,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,243 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,253 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 [2021-10-28 09:24:12,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:24:12,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:24:12,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:24:12,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:24:12,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-28 09:24:12,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,307 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:24:12,312 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 [2021-10-28 09:24:12,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:24:12,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:24:12,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:24:12,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-28 09:24:12,341 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,343 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:24:12,344 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 [2021-10-28 09:24:12,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,360 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:24:12,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:24:12,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:12,419 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,422 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,431 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 [2021-10-28 09:24:12,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:24:12,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:24:12,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:24:12,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:24:12,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:12,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,491 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:24:12,492 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 [2021-10-28 09:24:12,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:24:12,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:24:12,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:24:12,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-10-28 09:24:12,530 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,531 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:24:12,539 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 [2021-10-28 09:24:12,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:24:12,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:24:12,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:24:12,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:12,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,571 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:24:12,572 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 [2021-10-28 09:24:12,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:24:12,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:24:12,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:24:12,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:12,612 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,613 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:24:12,615 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 [2021-10-28 09:24:12,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:24:12,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:24:12,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:24:12,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:12,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,645 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:24:12,650 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 [2021-10-28 09:24:12,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:24:12,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:24:12,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:24:12,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:12,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,681 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:24:12,683 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 [2021-10-28 09:24:12,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:24:12,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:24:12,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:24:12,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:12,712 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,713 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:24:12,715 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 [2021-10-28 09:24:12,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:24:12,730 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:24:12,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:12,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,791 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:24:12,793 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 [2021-10-28 09:24:12,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:24:12,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:24:12,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:12,835 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,836 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:24:12,841 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 [2021-10-28 09:24:12,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:24:12,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:24:12,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:24:12,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:12,870 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,871 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:24:12,873 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 [2021-10-28 09:24:12,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:24:12,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,880 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:24:12,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,881 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:24:12,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:24:12,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:12,907 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,908 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:24:12,910 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 [2021-10-28 09:24:12,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:24:12,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:24:12,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:12,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,953 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:24:12,955 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 [2021-10-28 09:24:12,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:12,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:12,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:12,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:12,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:24:12,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:24:12,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:12,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:12,991 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:12,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:12,992 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:12,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:24:12,993 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 [2021-10-28 09:24:13,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:13,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:13,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:13,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:13,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:24:13,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:24:13,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:13,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:13,066 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:13,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:13,067 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:13,070 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 [2021-10-28 09:24:13,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:13,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:13,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:13,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:13,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:24:13,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:24:13,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:24:13,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:24:13,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:13,126 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:13,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:13,127 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:13,129 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 [2021-10-28 09:24:13,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:24:13,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:24:13,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:24:13,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:24:13,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:24:13,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:24:13,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:24:13,169 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:24:13,187 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 09:24:13,187 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-28 09:24:13,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:13,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:13,202 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:13,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:24:13,212 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:24:13,243 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:24:13,244 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:24:13,244 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 Supporting invariants [] [2021-10-28 09:24:13,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-28 09:24:13,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:13,395 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-10-28 09:24:13,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:24:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:24:13,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 09:24:13,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:24:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:24:13,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 09:24:13,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:24:13,768 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:24:13,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 31 [2021-10-28 09:24:13,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:24:13,835 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2021-10-28 09:24:13,837 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:24:14,028 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 46 transitions. Complement of second has 14 states. [2021-10-28 09:24:14,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2021-10-28 09:24:14,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:24:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 16 transitions. [2021-10-28 09:24:14,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 2 letters. Loop has 5 letters. [2021-10-28 09:24:14,036 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:24:14,037 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 7 letters. Loop has 5 letters. [2021-10-28 09:24:14,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:24:14,037 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 2 letters. Loop has 10 letters. [2021-10-28 09:24:14,038 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:24:14,039 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 46 transitions. [2021-10-28 09:24:14,045 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:24:14,052 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 20 states and 29 transitions. [2021-10-28 09:24:14,053 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 09:24:14,054 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 09:24:14,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2021-10-28 09:24:14,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:24:14,055 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-10-28 09:24:14,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2021-10-28 09:24:14,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2021-10-28 09:24:14,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:24:14,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2021-10-28 09:24:14,089 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. [2021-10-28 09:24:14,089 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. [2021-10-28 09:24:14,089 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:24:14,090 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 25 transitions. [2021-10-28 09:24:14,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:24:14,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:24:14,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:24:14,093 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:24:14,094 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:24:14,094 INFO L791 eck$LassoCheckResult]: Stem: 206#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 207#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 220#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 218#L553-1 assume !main_#t~short9; 219#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 222#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 221#L554-2 [2021-10-28 09:24:14,094 INFO L793 eck$LassoCheckResult]: Loop: 221#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 213#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 216#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 208#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 209#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 221#L554-2 [2021-10-28 09:24:14,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:24:14,096 INFO L85 PathProgramCache]: Analyzing trace with hash 889571373, now seen corresponding path program 1 times [2021-10-28 09:24:14,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:24:14,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185605394] [2021-10-28 09:24:14,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:24:14,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:24:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:24:14,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:24:14,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:24:14,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185605394] [2021-10-28 09:24:14,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185605394] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:24:14,185 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:24:14,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:24:14,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094654565] [2021-10-28 09:24:14,189 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:24:14,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:24:14,189 INFO L85 PathProgramCache]: Analyzing trace with hash 53782944, now seen corresponding path program 2 times [2021-10-28 09:24:14,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:24:14,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004017621] [2021-10-28 09:24:14,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:24:14,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:24:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:24:14,226 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:24:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:24:14,250 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:24:14,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:24:14,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:24:14,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:24:14,804 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. cyclomatic complexity: 10 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) [2021-10-28 09:24:14,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:24:14,817 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2021-10-28 09:24:14,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:24:14,818 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2021-10-28 09:24:14,819 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:24:14,819 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 17 states and 22 transitions. [2021-10-28 09:24:14,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-28 09:24:14,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-28 09:24:14,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2021-10-28 09:24:14,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:24:14,820 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-10-28 09:24:14,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2021-10-28 09:24:14,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-10-28 09:24:14,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 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) [2021-10-28 09:24:14,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2021-10-28 09:24:14,823 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-10-28 09:24:14,823 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-10-28 09:24:14,823 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:24:14,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2021-10-28 09:24:14,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:24:14,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:24:14,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:24:14,825 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:24:14,825 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:24:14,825 INFO L791 eck$LassoCheckResult]: Stem: 249#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 250#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 262#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 261#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 265#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 264#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 263#L554-2 [2021-10-28 09:24:14,825 INFO L793 eck$LassoCheckResult]: Loop: 263#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 256#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 259#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 251#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 252#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 263#L554-2 [2021-10-28 09:24:14,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:24:14,826 INFO L85 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 1 times [2021-10-28 09:24:14,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:24:14,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801235524] [2021-10-28 09:24:14,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:24:14,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:24:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:24:14,845 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:24:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:24:14,864 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:24:14,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:24:14,875 INFO L85 PathProgramCache]: Analyzing trace with hash 53782944, now seen corresponding path program 3 times [2021-10-28 09:24:14,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:24:14,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723424350] [2021-10-28 09:24:14,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:24:14,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:24:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:24:14,892 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:24:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:24:14,919 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:24:14,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:24:14,924 INFO L85 PathProgramCache]: Analyzing trace with hash -304168138, now seen corresponding path program 1 times [2021-10-28 09:24:14,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:24:14,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670707288] [2021-10-28 09:24:14,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:24:14,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:24:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:24:15,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:24:15,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:24:15,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670707288] [2021-10-28 09:24:15,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670707288] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:24:15,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353865323] [2021-10-28 09:24:15,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:24:15,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:24:15,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:15,178 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:24:15,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-10-28 09:24:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:24:15,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-28 09:24:15,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:24:15,307 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-10-28 09:24:15,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 27 [2021-10-28 09:24:15,331 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-10-28 09:24:15,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-10-28 09:24:15,587 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-28 09:24:15,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 10 [2021-10-28 09:24:15,601 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-28 09:24:15,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 25 [2021-10-28 09:24:15,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 09:24:16,219 INFO L354 Elim1Store]: treesize reduction 800, result has 23.0 percent of original size [2021-10-28 09:24:16,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 10 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 4611 treesize of output 897 [2021-10-28 09:24:16,590 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 09:24:16,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 36 [2021-10-28 09:24:16,842 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 0 case distinctions, treesize of input 31 treesize of output 23 [2021-10-28 09:24:18,053 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:24:18,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 49 [2021-10-28 09:24:18,104 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:24:18,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 58 [2021-10-28 09:24:18,144 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:24:18,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 44 [2021-10-28 09:24:18,189 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:24:18,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 300 treesize of output 232 [2021-10-28 09:24:18,218 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:24:18,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 315 treesize of output 311 [2021-10-28 09:24:18,338 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:24:18,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 52 [2021-10-28 09:24:18,364 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:24:18,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 50 [2021-10-28 09:24:18,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 40 [2021-10-28 09:24:18,606 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 0 case distinctions, treesize of input 42 treesize of output 30 [2021-10-28 09:24:18,740 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-28 09:24:18,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 50 [2021-10-28 09:24:31,126 INFO L354 Elim1Store]: treesize reduction 48, result has 26.2 percent of original size [2021-10-28 09:24:31,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 60 [2021-10-28 09:24:31,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:24:31,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353865323] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:24:31,226 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:24:31,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-10-28 09:24:31,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158511064] [2021-10-28 09:24:31,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:24:31,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-28 09:24:31,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=147, Unknown=1, NotChecked=0, Total=182 [2021-10-28 09:24:31,726 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 14 states have internal predecessors, (21), 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) [2021-10-28 09:25:31,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:31,468 INFO L93 Difference]: Finished difference Result 23 states and 30 transitions. [2021-10-28 09:25:31,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 09:25:31,469 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2021-10-28 09:25:31,472 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-10-28 09:25:31,473 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 30 transitions. [2021-10-28 09:25:31,473 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-28 09:25:31,473 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-28 09:25:31,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 30 transitions. [2021-10-28 09:25:31,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:25:31,474 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2021-10-28 09:25:31,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 30 transitions. [2021-10-28 09:25:31,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-10-28 09:25:31,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 21 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) [2021-10-28 09:25:31,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-10-28 09:25:31,478 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-10-28 09:25:31,478 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-10-28 09:25:31,478 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:25:31,478 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2021-10-28 09:25:31,479 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-10-28 09:25:31,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:31,479 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:31,480 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:25:31,480 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:25:31,480 INFO L791 eck$LassoCheckResult]: Stem: 356#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 357#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 370#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 369#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 376#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 374#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 371#L554-2 [2021-10-28 09:25:31,480 INFO L793 eck$LassoCheckResult]: Loop: 371#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 363#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 377#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 375#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 372#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 371#L554-2 [2021-10-28 09:25:31,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:31,481 INFO L85 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 2 times [2021-10-28 09:25:31,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:31,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65341090] [2021-10-28 09:25:31,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:31,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:31,504 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:31,524 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:31,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:31,525 INFO L85 PathProgramCache]: Analyzing trace with hash 55629988, now seen corresponding path program 1 times [2021-10-28 09:25:31,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:31,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478972269] [2021-10-28 09:25:31,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:31,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:31,540 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:31,555 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:31,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:31,556 INFO L85 PathProgramCache]: Analyzing trace with hash -302321094, now seen corresponding path program 1 times [2021-10-28 09:25:31,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:31,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953172564] [2021-10-28 09:25:31,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:31,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:32,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:32,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:25:32,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953172564] [2021-10-28 09:25:32,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953172564] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:32,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132230776] [2021-10-28 09:25:32,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:32,031 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:25:32,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:32,034 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:25:32,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-10-28 09:25:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:32,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-28 09:25:32,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:32,228 INFO L354 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2021-10-28 09:25:32,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 34 [2021-10-28 09:25:32,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-10-28 09:25:32,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 16 treesize of output 10 [2021-10-28 09:25:32,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-10-28 09:25:32,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:25:32,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 09:25:32,947 INFO L354 Elim1Store]: treesize reduction 315, result has 26.7 percent of original size [2021-10-28 09:25:32,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 9 new quantified variables, introduced 26 case distinctions, treesize of input 1172 treesize of output 313 [2021-10-28 09:25:33,041 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 0 case distinctions, treesize of input 47 treesize of output 35 [2021-10-28 09:25:33,057 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 0 case distinctions, treesize of input 49 treesize of output 37 [2021-10-28 09:25:33,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:25:33,105 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 0 case distinctions, treesize of input 92 treesize of output 68 [2021-10-28 09:25:33,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:25:33,154 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 0 case distinctions, treesize of input 44 treesize of output 32 [2021-10-28 09:25:33,166 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-28 09:25:33,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 47 [2021-10-28 09:25:33,473 INFO L354 Elim1Store]: treesize reduction 29, result has 12.1 percent of original size [2021-10-28 09:25:33,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 35 [2021-10-28 09:25:33,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:33,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132230776] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:33,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:25:33,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 17 [2021-10-28 09:25:33,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021666890] [2021-10-28 09:25:33,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:25:33,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-28 09:25:33,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-10-28 09:25:33,929 INFO L87 Difference]: Start difference. First operand 22 states and 28 transitions. cyclomatic complexity: 8 Second operand has 18 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 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) [2021-10-28 09:25:45,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:45,952 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2021-10-28 09:25:45,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-28 09:25:45,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 39 transitions. [2021-10-28 09:25:45,954 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2021-10-28 09:25:45,955 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 39 transitions. [2021-10-28 09:25:45,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-10-28 09:25:45,956 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2021-10-28 09:25:45,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 39 transitions. [2021-10-28 09:25:45,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:25:45,956 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2021-10-28 09:25:45,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 39 transitions. [2021-10-28 09:25:45,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2021-10-28 09:25:45,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 26 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:45,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2021-10-28 09:25:45,961 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-10-28 09:25:45,961 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-10-28 09:25:45,961 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:25:45,962 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 34 transitions. [2021-10-28 09:25:45,963 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2021-10-28 09:25:45,963 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:45,963 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:45,963 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:25:45,964 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:25:45,964 INFO L791 eck$LassoCheckResult]: Stem: 483#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 484#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 496#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 495#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 509#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 508#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 498#L554-2 [2021-10-28 09:25:45,964 INFO L793 eck$LassoCheckResult]: Loop: 498#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 504#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 503#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 502#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 497#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 498#L554-2 [2021-10-28 09:25:45,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:45,964 INFO L85 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 3 times [2021-10-28 09:25:45,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:45,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251788931] [2021-10-28 09:25:45,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:45,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:45,979 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:45,994 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:45,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:45,995 INFO L85 PathProgramCache]: Analyzing trace with hash 53782946, now seen corresponding path program 1 times [2021-10-28 09:25:45,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:45,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725543713] [2021-10-28 09:25:45,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:45,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:46,008 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:46,020 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:46,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:46,021 INFO L85 PathProgramCache]: Analyzing trace with hash -304168136, now seen corresponding path program 1 times [2021-10-28 09:25:46,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:46,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723112432] [2021-10-28 09:25:46,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:46,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:46,046 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:46,071 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:47,161 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:25:47,161 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:25:47,161 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:25:47,161 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:25:47,161 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:25:47,162 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:47,162 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:25:47,162 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:25:47,162 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration5_Lasso [2021-10-28 09:25:47,162 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:25:47,162 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:25:47,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:47,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:48,113 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:25:48,114 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:25:48,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,136 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 09:25:48,139 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 [2021-10-28 09:25:48,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:48,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:48,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:48,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:48,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,206 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,215 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 [2021-10-28 09:25:48,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 09:25:48,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:48,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:48,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:48,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:48,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,259 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 09:25:48,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:48,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:48,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:48,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:48,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:48,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,302 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 09:25:48,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:48,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:48,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:48,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:48,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-28 09:25:48,342 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,343 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 09:25:48,353 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 [2021-10-28 09:25:48,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:48,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:48,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-28 09:25:48,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,392 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 09:25:48,394 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 [2021-10-28 09:25:48,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:48,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:48,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:48,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-28 09:25:48,434 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,435 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,436 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 [2021-10-28 09:25:48,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 09:25:48,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:48,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:48,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:48,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:48,475 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,476 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 09:25:48,478 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 [2021-10-28 09:25:48,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:48,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:48,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:48,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:48,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,516 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 09:25:48,517 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 [2021-10-28 09:25:48,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:48,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:48,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:48,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-28 09:25:48,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,554 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 09:25:48,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:48,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:48,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:48,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:48,595 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,597 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 09:25:48,598 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 [2021-10-28 09:25:48,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:48,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:48,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:48,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-28 09:25:48,635 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,636 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 09:25:48,638 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 [2021-10-28 09:25:48,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:48,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:48,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:48,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-28 09:25:48,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,674 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 09:25:48,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:48,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:48,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:48,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:48,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:48,715 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,716 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 09:25:48,719 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 [2021-10-28 09:25:48,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:48,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:48,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:48,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:48,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,763 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 09:25:48,765 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 [2021-10-28 09:25:48,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:48,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:48,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:48,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-28 09:25:48,800 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,801 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:48,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 09:25:48,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:48,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:48,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:48,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:48,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,843 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 09:25:48,844 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 [2021-10-28 09:25:48,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:48,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:48,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-28 09:25:48,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,887 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 09:25:48,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:48,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:48,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:48,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:48,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-28 09:25:48,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,926 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 09:25:48,928 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 [2021-10-28 09:25:48,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:48,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:48,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:48,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:48,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:48,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:48,966 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:48,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:48,967 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:48,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 09:25:48,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:48,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:48,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:48,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:48,978 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:25:48,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:48,978 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:25:48,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:48,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:49,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:49,020 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:49,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:49,021 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:49,023 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 [2021-10-28 09:25:49,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 09:25:49,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:49,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:49,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:49,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:49,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:49,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:49,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:49,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:49,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:49,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:49,096 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:49,098 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 [2021-10-28 09:25:49,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 09:25:49,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:49,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:49,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:49,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:49,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:49,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:49,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:49,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-28 09:25:49,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:49,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:49,181 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:49,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 09:25:49,183 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 [2021-10-28 09:25:49,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:49,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:49,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:49,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:49,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:49,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:49,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:49,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:49,222 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:49,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:49,223 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:49,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 09:25:49,224 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 [2021-10-28 09:25:49,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:49,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:49,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:49,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:49,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:49,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:49,265 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:25:49,282 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-28 09:25:49,282 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-28 09:25:49,282 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:49,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:49,287 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:49,288 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:25:49,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 09:25:49,318 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:25:49,318 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:25:49,319 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_2 Supporting invariants [] [2021-10-28 09:25:49,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:49,430 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-10-28 09:25:49,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:49,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:25:49,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:49,507 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 14 treesize of output 12 [2021-10-28 09:25:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:49,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:25:49,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:49,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:25:49,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:25:49,700 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-10-28 09:25:49,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 271 treesize of output 113 [2021-10-28 09:25:50,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:51,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 59 [2021-10-28 09:25:53,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 59 [2021-10-28 09:25:54,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 59 [2021-10-28 09:25:54,176 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:25:54,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 72 [2021-10-28 09:25:54,436 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 0 case distinctions, treesize of input 76 treesize of output 48 [2021-10-28 09:25:54,558 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:25:54,558 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 1 case distinctions, treesize of input 76 treesize of output 48 [2021-10-28 09:25:54,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:54,908 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2021-10-28 09:25:54,908 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 9 Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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) [2021-10-28 09:25:55,036 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 9. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 43 states and 55 transitions. Complement of second has 10 states. [2021-10-28 09:25:55,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:25:55,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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) [2021-10-28 09:25:55,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2021-10-28 09:25:55,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 6 letters. Loop has 5 letters. [2021-10-28 09:25:55,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:25:55,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 11 letters. Loop has 5 letters. [2021-10-28 09:25:55,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:25:55,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 6 letters. Loop has 10 letters. [2021-10-28 09:25:55,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:25:55,040 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 55 transitions. [2021-10-28 09:25:55,041 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2021-10-28 09:25:55,042 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 39 states and 50 transitions. [2021-10-28 09:25:55,042 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-10-28 09:25:55,042 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-10-28 09:25:55,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 50 transitions. [2021-10-28 09:25:55,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:25:55,043 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 50 transitions. [2021-10-28 09:25:55,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 50 transitions. [2021-10-28 09:25:55,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2021-10-28 09:25:55,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 37 states have internal predecessors, (49), 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) [2021-10-28 09:25:55,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2021-10-28 09:25:55,047 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 49 transitions. [2021-10-28 09:25:55,047 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 49 transitions. [2021-10-28 09:25:55,047 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 09:25:55,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 49 transitions. [2021-10-28 09:25:55,048 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2021-10-28 09:25:55,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:55,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:55,048 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:25:55,049 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:25:55,049 INFO L791 eck$LassoCheckResult]: Stem: 718#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 719#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 734#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 736#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 743#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 741#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 742#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 744#L556-1 [2021-10-28 09:25:55,049 INFO L793 eck$LassoCheckResult]: Loop: 744#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 745#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 748#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 747#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 746#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 744#L556-1 [2021-10-28 09:25:55,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:55,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849172, now seen corresponding path program 1 times [2021-10-28 09:25:55,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:55,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667111311] [2021-10-28 09:25:55,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:55,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:55,103 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:55,122 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:55,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:55,134 INFO L85 PathProgramCache]: Analyzing trace with hash 35409684, now seen corresponding path program 4 times [2021-10-28 09:25:55,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:55,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747033920] [2021-10-28 09:25:55,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:55,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:55,144 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:55,154 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:55,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:55,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1737940577, now seen corresponding path program 1 times [2021-10-28 09:25:55,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:55,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006640882] [2021-10-28 09:25:55,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:55,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:55,179 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:55,205 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:57,015 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:25:57,016 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:25:57,016 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:25:57,016 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:25:57,016 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:25:57,016 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:57,016 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:25:57,016 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:25:57,016 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration6_Lasso [2021-10-28 09:25:57,017 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:25:57,017 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:25:57,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:57,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:58,034 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:25:58,035 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:25:58,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:58,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:58,038 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:58,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 09:25:58,040 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 [2021-10-28 09:25:58,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:58,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:58,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:58,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:58,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:58,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:58,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:58,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:58,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-28 09:25:58,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:58,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:58,073 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:58,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 09:25:58,075 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 [2021-10-28 09:25:58,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:58,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:58,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:58,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:58,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:58,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:58,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:58,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:58,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:58,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:58,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:58,135 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:58,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 09:25:58,137 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 [2021-10-28 09:25:58,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:58,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:58,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:58,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:58,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:58,148 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:58,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:58,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:58,177 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:58,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:58,178 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:58,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 09:25:58,179 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 [2021-10-28 09:25:58,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:58,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:58,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:58,189 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:25:58,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:58,202 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:25:58,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:58,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:58,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-28 09:25:58,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:58,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:58,233 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:58,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 09:25:58,235 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 [2021-10-28 09:25:58,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:58,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:58,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:58,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:58,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:58,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:58,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:58,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:58,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:58,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:58,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:58,273 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:58,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 09:25:58,274 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 [2021-10-28 09:25:58,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:58,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:58,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:58,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:58,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:58,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:58,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:58,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:58,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-28 09:25:58,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:58,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:58,311 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:58,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 09:25:58,313 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 [2021-10-28 09:25:58,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:58,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:58,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:58,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:58,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:58,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:58,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:58,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:58,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-28 09:25:58,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:58,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:58,350 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:58,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 09:25:58,351 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 [2021-10-28 09:25:58,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:58,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:58,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:58,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:58,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:58,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:58,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:58,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:58,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:58,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:58,395 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:58,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 09:25:58,409 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 [2021-10-28 09:25:58,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:58,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:58,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:58,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:58,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:58,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:58,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:58,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:58,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:58,446 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:58,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:58,447 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:58,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-28 09:25:58,448 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 [2021-10-28 09:25:58,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:58,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:58,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:58,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:58,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:58,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:58,473 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:25:58,485 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-28 09:25:58,485 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-10-28 09:25:58,485 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:58,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:58,486 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:58,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 09:25:58,488 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:25:58,498 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:25:58,499 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:25:58,499 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_3 Supporting invariants [] [2021-10-28 09:25:58,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:58,622 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-10-28 09:25:58,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:58,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:25:58,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:58,716 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 14 treesize of output 12 [2021-10-28 09:25:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:58,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 09:25:58,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:59,038 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:25:59,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 31 [2021-10-28 09:25:59,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:59,090 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2021-10-28 09:25:59,091 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 49 transitions. cyclomatic complexity: 15 Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) [2021-10-28 09:25:59,245 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 49 transitions. cyclomatic complexity: 15. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) Result 76 states and 97 transitions. Complement of second has 12 states. [2021-10-28 09:25:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2021-10-28 09:25:59,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) [2021-10-28 09:25:59,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 15 transitions. [2021-10-28 09:25:59,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 7 letters. Loop has 5 letters. [2021-10-28 09:25:59,248 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:25:59,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 12 letters. Loop has 5 letters. [2021-10-28 09:25:59,248 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:25:59,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 7 letters. Loop has 10 letters. [2021-10-28 09:25:59,249 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:25:59,249 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 97 transitions. [2021-10-28 09:25:59,252 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2021-10-28 09:25:59,253 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 74 states and 95 transitions. [2021-10-28 09:25:59,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2021-10-28 09:25:59,254 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-10-28 09:25:59,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 95 transitions. [2021-10-28 09:25:59,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:25:59,255 INFO L681 BuchiCegarLoop]: Abstraction has 74 states and 95 transitions. [2021-10-28 09:25:59,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 95 transitions. [2021-10-28 09:25:59,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 68. [2021-10-28 09:25:59,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 67 states have internal predecessors, (87), 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) [2021-10-28 09:25:59,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2021-10-28 09:25:59,263 INFO L704 BuchiCegarLoop]: Abstraction has 68 states and 87 transitions. [2021-10-28 09:25:59,263 INFO L587 BuchiCegarLoop]: Abstraction has 68 states and 87 transitions. [2021-10-28 09:25:59,263 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 09:25:59,263 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 87 transitions. [2021-10-28 09:25:59,265 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2021-10-28 09:25:59,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:59,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:59,266 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1] [2021-10-28 09:25:59,267 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:25:59,267 INFO L791 eck$LassoCheckResult]: Stem: 1004#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1005#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 1019#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 1051#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1050#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 1048#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 1044#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 1038#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 1037#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1036#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 1028#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 1029#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 1043#L556-1 [2021-10-28 09:25:59,267 INFO L793 eck$LassoCheckResult]: Loop: 1043#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 1047#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1046#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 1045#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 1042#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 1043#L556-1 [2021-10-28 09:25:59,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:59,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1737940579, now seen corresponding path program 2 times [2021-10-28 09:25:59,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:59,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309837803] [2021-10-28 09:25:59,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:59,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:59,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:59,359 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:59,400 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:59,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:59,405 INFO L85 PathProgramCache]: Analyzing trace with hash 35409684, now seen corresponding path program 5 times [2021-10-28 09:25:59,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:59,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054206527] [2021-10-28 09:25:59,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:59,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:59,417 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:59,430 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:59,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:59,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1666915826, now seen corresponding path program 2 times [2021-10-28 09:25:59,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:59,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221692357] [2021-10-28 09:25:59,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:59,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:59,496 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:59,557 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:04,575 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:26:04,575 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:26:04,575 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:26:04,576 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:26:04,576 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:26:04,576 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:04,576 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:26:04,576 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:26:04,576 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration7_Lasso [2021-10-28 09:26:04,576 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:26:04,576 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:26:04,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:04,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:05,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:06,540 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:26:06,540 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:26:06,540 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:06,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:06,552 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:06,555 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 [2021-10-28 09:26:06,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:06,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:06,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:06,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:06,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:06,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:06,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:06,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 09:26:06,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:06,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-28 09:26:06,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:06,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:06,601 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:06,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 09:26:06,606 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 [2021-10-28 09:26:06,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:06,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:06,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:06,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:06,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:06,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:06,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:06,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:06,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:06,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:06,665 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:06,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 09:26:06,670 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 [2021-10-28 09:26:06,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:06,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:06,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:06,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:06,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:06,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:06,709 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:26:06,736 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 09:26:06,736 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-28 09:26:06,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:06,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:06,742 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:06,744 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:26:06,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 09:26:06,763 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:26:06,763 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:26:06,763 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_4 Supporting invariants [] [2021-10-28 09:26:06,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:06,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:06,936 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-10-28 09:26:06,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:06,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:26:06,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:07,004 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 14 treesize of output 12 [2021-10-28 09:26:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:07,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 09:26:07,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:07,395 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:26:07,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 31 [2021-10-28 09:26:07,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:26:07,449 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2021-10-28 09:26:07,449 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 68 states and 87 transitions. cyclomatic complexity: 26 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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) [2021-10-28 09:26:07,645 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 68 states and 87 transitions. cyclomatic complexity: 26. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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 92 states and 116 transitions. Complement of second has 12 states. [2021-10-28 09:26:07,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2021-10-28 09:26:07,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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) [2021-10-28 09:26:07,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 15 transitions. [2021-10-28 09:26:07,648 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 12 letters. Loop has 5 letters. [2021-10-28 09:26:07,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:07,648 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:26:07,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:07,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:26:07,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:07,740 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 14 treesize of output 12 [2021-10-28 09:26:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:07,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 09:26:07,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:08,116 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:26:08,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 31 [2021-10-28 09:26:08,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:26:08,154 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 5 loop predicates [2021-10-28 09:26:08,154 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 68 states and 87 transitions. cyclomatic complexity: 26 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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) [2021-10-28 09:26:08,314 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 68 states and 87 transitions. cyclomatic complexity: 26. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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 92 states and 116 transitions. Complement of second has 12 states. [2021-10-28 09:26:08,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2021-10-28 09:26:08,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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) [2021-10-28 09:26:08,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 15 transitions. [2021-10-28 09:26:08,317 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 12 letters. Loop has 5 letters. [2021-10-28 09:26:08,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:08,317 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:26:08,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:08,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:26:08,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:08,393 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 14 treesize of output 12 [2021-10-28 09:26:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:08,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 09:26:08,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:08,782 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:26:08,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 31 [2021-10-28 09:26:08,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:26:08,837 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2021-10-28 09:26:08,837 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 68 states and 87 transitions. cyclomatic complexity: 26 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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) [2021-10-28 09:26:09,010 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 68 states and 87 transitions. cyclomatic complexity: 26. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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 105 states and 132 transitions. Complement of second has 11 states. [2021-10-28 09:26:09,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2021-10-28 09:26:09,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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) [2021-10-28 09:26:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 16 transitions. [2021-10-28 09:26:09,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 12 letters. Loop has 5 letters. [2021-10-28 09:26:09,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:09,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 17 letters. Loop has 5 letters. [2021-10-28 09:26:09,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:09,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 12 letters. Loop has 10 letters. [2021-10-28 09:26:09,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:09,017 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 105 states and 132 transitions. [2021-10-28 09:26:09,025 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-10-28 09:26:09,028 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 105 states to 83 states and 105 transitions. [2021-10-28 09:26:09,032 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-10-28 09:26:09,033 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2021-10-28 09:26:09,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 105 transitions. [2021-10-28 09:26:09,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:26:09,034 INFO L681 BuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2021-10-28 09:26:09,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 105 transitions. [2021-10-28 09:26:09,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 38. [2021-10-28 09:26:09,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.263157894736842) internal successors, (48), 37 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) [2021-10-28 09:26:09,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2021-10-28 09:26:09,044 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-10-28 09:26:09,045 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-10-28 09:26:09,045 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 09:26:09,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 48 transitions. [2021-10-28 09:26:09,046 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 30 [2021-10-28 09:26:09,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:26:09,046 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:26:09,046 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:26:09,046 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:26:09,049 INFO L791 eck$LassoCheckResult]: Stem: 1693#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1694#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 1700#L556-1 [2021-10-28 09:26:09,049 INFO L793 eck$LassoCheckResult]: Loop: 1700#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 1703#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1722#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 1719#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 1699#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 1700#L556-1 [2021-10-28 09:26:09,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:09,050 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-10-28 09:26:09,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:09,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959790589] [2021-10-28 09:26:09,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:09,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:09,062 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:09,070 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:09,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:09,071 INFO L85 PathProgramCache]: Analyzing trace with hash 35409686, now seen corresponding path program 1 times [2021-10-28 09:26:09,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:09,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365038881] [2021-10-28 09:26:09,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:09,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:09,083 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:09,099 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:09,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:09,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849172, now seen corresponding path program 3 times [2021-10-28 09:26:09,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:09,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198482836] [2021-10-28 09:26:09,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:09,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:09,142 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:09,158 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:10,028 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:26:10,028 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:26:10,029 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:26:10,029 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:26:10,029 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:26:10,029 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:10,029 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:26:10,029 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:26:10,029 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration8_Lasso [2021-10-28 09:26:10,029 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:26:10,029 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:26:10,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:10,943 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:26:10,943 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:26:10,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:10,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:10,949 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:10,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 09:26:10,951 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 [2021-10-28 09:26:10,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:10,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:10,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:10,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:10,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:10,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:10,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:10,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:10,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:10,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:10,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:10,987 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:10,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 09:26:10,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:26:10,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:10,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:10,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:10,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:10,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:10,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:10,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:11,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:11,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:11,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:11,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:11,065 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:11,070 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 [2021-10-28 09:26:11,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:11,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:11,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:11,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:11,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:11,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:11,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:11,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-28 09:26:11,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:11,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:11,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:11,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:11,126 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:11,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-28 09:26:11,127 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 [2021-10-28 09:26:11,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:11,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:11,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:11,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:11,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:11,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:11,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:11,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:11,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-10-28 09:26:11,161 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:11,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:11,161 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:11,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-28 09:26:11,163 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 [2021-10-28 09:26:11,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:11,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:11,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:11,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:11,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:11,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:11,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:11,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:11,196 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:11,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:11,197 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:11,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-28 09:26:11,199 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 [2021-10-28 09:26:11,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:11,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:11,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:11,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:11,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:11,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:11,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:11,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:11,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-28 09:26:11,231 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:11,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:11,232 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:11,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-28 09:26:11,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:26:11,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:11,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:11,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:11,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:11,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:11,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:11,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:11,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:11,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-28 09:26:11,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:11,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:11,270 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:11,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-28 09:26:11,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:26:11,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:11,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:11,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:11,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:11,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:11,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:11,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:11,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-28 09:26:11,311 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:11,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:11,312 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:11,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-28 09:26:11,313 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 [2021-10-28 09:26:11,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:11,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:11,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:11,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:11,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:11,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:11,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:11,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:11,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-28 09:26:11,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:11,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:11,350 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:11,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-28 09:26:11,351 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 [2021-10-28 09:26:11,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:11,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:11,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:11,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:11,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:11,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:11,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:11,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:11,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:11,387 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:11,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:11,388 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:11,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-28 09:26:11,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:26:11,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:11,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:11,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:11,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:11,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:11,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:11,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:11,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:11,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-28 09:26:11,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:11,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:11,424 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:11,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-28 09:26:11,425 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 [2021-10-28 09:26:11,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:11,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:11,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:11,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:11,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:11,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:11,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:11,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:11,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-28 09:26:11,459 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:11,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:11,459 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:11,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-28 09:26:11,461 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 [2021-10-28 09:26:11,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:11,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:11,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:11,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:11,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:11,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:11,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:11,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-28 09:26:11,497 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:11,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:11,498 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:11,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-28 09:26:11,500 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 [2021-10-28 09:26:11,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:11,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:11,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:11,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:11,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:11,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:11,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:11,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-10-28 09:26:11,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:11,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:11,547 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:11,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-28 09:26:11,550 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 [2021-10-28 09:26:11,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:11,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:11,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:11,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:11,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:11,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:11,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:11,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-10-28 09:26:11,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:11,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:11,596 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:11,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-28 09:26:11,598 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 [2021-10-28 09:26:11,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:11,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:11,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:11,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:11,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:11,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:11,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:11,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:11,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:11,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:11,638 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:11,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-28 09:26:11,640 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 [2021-10-28 09:26:11,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:11,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:11,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:11,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:11,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:11,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:11,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:11,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:11,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:11,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:11,680 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:11,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-28 09:26:11,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:26:11,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:11,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:11,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:11,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:11,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:11,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:11,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:11,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-10-28 09:26:11,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:11,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:11,736 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:11,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-28 09:26:11,739 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 [2021-10-28 09:26:11,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:11,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:11,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:11,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:11,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:11,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:11,758 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:26:11,766 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 09:26:11,766 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-28 09:26:11,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:11,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:11,767 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:11,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-28 09:26:11,768 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:26:11,776 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:26:11,776 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:26:11,776 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_5) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_5 Supporting invariants [] [2021-10-28 09:26:11,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:11,863 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-10-28 09:26:11,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:11,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:26:11,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:11,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:26:11,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:12,045 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2021-10-28 09:26:12,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:26:12,074 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-10-28 09:26:12,074 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 48 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:26:12,162 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 48 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 58 states and 74 transitions. Complement of second has 9 states. [2021-10-28 09:26:12,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:26:12,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:26:12,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2021-10-28 09:26:12,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 2 letters. Loop has 5 letters. [2021-10-28 09:26:12,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:12,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 7 letters. Loop has 5 letters. [2021-10-28 09:26:12,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:12,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 2 letters. Loop has 10 letters. [2021-10-28 09:26:12,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:12,164 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 74 transitions. [2021-10-28 09:26:12,165 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 30 [2021-10-28 09:26:12,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 52 states and 67 transitions. [2021-10-28 09:26:12,166 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-10-28 09:26:12,166 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-28 09:26:12,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 67 transitions. [2021-10-28 09:26:12,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:26:12,167 INFO L681 BuchiCegarLoop]: Abstraction has 52 states and 67 transitions. [2021-10-28 09:26:12,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 67 transitions. [2021-10-28 09:26:12,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47. [2021-10-28 09:26:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.297872340425532) internal successors, (61), 46 states have internal predecessors, (61), 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) [2021-10-28 09:26:12,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2021-10-28 09:26:12,174 INFO L704 BuchiCegarLoop]: Abstraction has 47 states and 61 transitions. [2021-10-28 09:26:12,174 INFO L587 BuchiCegarLoop]: Abstraction has 47 states and 61 transitions. [2021-10-28 09:26:12,174 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 09:26:12,174 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 61 transitions. [2021-10-28 09:26:12,174 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 30 [2021-10-28 09:26:12,175 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:26:12,175 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:26:12,175 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:26:12,175 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:26:12,176 INFO L791 eck$LassoCheckResult]: Stem: 1940#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1941#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 1958#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 1967#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1971#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 1968#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 1963#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 1947#L556-1 [2021-10-28 09:26:12,176 INFO L793 eck$LassoCheckResult]: Loop: 1947#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 1984#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1983#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 1959#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 1946#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 1947#L556-1 [2021-10-28 09:26:12,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:12,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849234, now seen corresponding path program 2 times [2021-10-28 09:26:12,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:12,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297273546] [2021-10-28 09:26:12,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:12,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:12,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:12,244 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:12,257 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:12,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:12,260 INFO L85 PathProgramCache]: Analyzing trace with hash 35409686, now seen corresponding path program 2 times [2021-10-28 09:26:12,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:12,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571986616] [2021-10-28 09:26:12,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:12,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:12,279 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:12,295 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:12,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:12,296 INFO L85 PathProgramCache]: Analyzing trace with hash -782019355, now seen corresponding path program 1 times [2021-10-28 09:26:12,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:12,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529756146] [2021-10-28 09:26:12,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:12,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:12,345 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:12,379 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:14,334 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:26:14,334 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:26:14,334 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:26:14,334 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:26:14,334 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:26:14,334 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:14,334 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:26:14,334 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:26:14,335 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration9_Lasso [2021-10-28 09:26:14,335 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:26:14,335 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:26:14,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:14,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:15,399 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:26:15,400 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:26:15,400 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:15,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:15,402 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:15,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-28 09:26:15,404 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 [2021-10-28 09:26:15,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:15,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:15,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:15,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:15,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:15,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:15,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:15,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:15,438 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:15,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:15,439 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:15,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-28 09:26:15,440 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 [2021-10-28 09:26:15,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:15,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:15,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:15,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:15,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:15,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:15,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:15,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:15,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:15,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:15,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:15,473 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:15,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-28 09:26:15,474 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 [2021-10-28 09:26:15,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:15,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:15,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:15,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:15,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:15,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:15,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:15,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:15,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:15,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:15,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:15,508 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:15,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-28 09:26:15,509 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 [2021-10-28 09:26:15,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:15,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:15,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:15,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:15,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:15,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:15,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:15,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-10-28 09:26:15,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:15,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:15,547 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:15,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-28 09:26:15,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:26:15,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:15,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:15,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:15,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:15,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:15,560 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:15,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:15,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-10-28 09:26:15,594 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:15,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:15,595 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:15,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-28 09:26:15,596 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 [2021-10-28 09:26:15,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:15,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:15,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:15,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:15,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:15,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:15,616 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:26:15,626 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 09:26:15,627 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-28 09:26:15,627 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:15,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:15,627 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:15,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-28 09:26:15,629 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:26:15,637 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:26:15,637 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:26:15,637 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_6) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_6 Supporting invariants [] [2021-10-28 09:26:15,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:15,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-10-28 09:26:15,783 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-10-28 09:26:15,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:15,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:26:15,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:15,874 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 14 treesize of output 12 [2021-10-28 09:26:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:15,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:26:15,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:16,085 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2021-10-28 09:26:16,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:26:16,114 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2021-10-28 09:26:16,114 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 47 states and 61 transitions. cyclomatic complexity: 18 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 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) [2021-10-28 09:26:16,209 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 47 states and 61 transitions. cyclomatic complexity: 18. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 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) Result 119 states and 148 transitions. Complement of second has 10 states. [2021-10-28 09:26:16,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:26:16,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 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) [2021-10-28 09:26:16,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2021-10-28 09:26:16,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 7 letters. Loop has 5 letters. [2021-10-28 09:26:16,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:16,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 12 letters. Loop has 5 letters. [2021-10-28 09:26:16,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:16,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 7 letters. Loop has 10 letters. [2021-10-28 09:26:16,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:16,211 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 148 transitions. [2021-10-28 09:26:16,213 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 30 [2021-10-28 09:26:16,215 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 94 states and 119 transitions. [2021-10-28 09:26:16,215 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2021-10-28 09:26:16,216 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-10-28 09:26:16,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 119 transitions. [2021-10-28 09:26:16,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:26:16,216 INFO L681 BuchiCegarLoop]: Abstraction has 94 states and 119 transitions. [2021-10-28 09:26:16,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 119 transitions. [2021-10-28 09:26:16,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 72. [2021-10-28 09:26:16,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.3055555555555556) internal successors, (94), 71 states have internal predecessors, (94), 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) [2021-10-28 09:26:16,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2021-10-28 09:26:16,226 INFO L704 BuchiCegarLoop]: Abstraction has 72 states and 94 transitions. [2021-10-28 09:26:16,226 INFO L587 BuchiCegarLoop]: Abstraction has 72 states and 94 transitions. [2021-10-28 09:26:16,226 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 09:26:16,226 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 94 transitions. [2021-10-28 09:26:16,227 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 30 [2021-10-28 09:26:16,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:26:16,227 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:26:16,228 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1] [2021-10-28 09:26:16,228 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:26:16,229 INFO L791 eck$LassoCheckResult]: Stem: 2274#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2275#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 2288#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2286#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2278#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2279#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 2282#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 2283#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2287#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2276#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2277#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 2289#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 2292#L556-1 [2021-10-28 09:26:16,229 INFO L793 eck$LassoCheckResult]: Loop: 2292#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2315#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2326#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2324#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 2323#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 2292#L556-1 [2021-10-28 09:26:16,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:16,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1737940641, now seen corresponding path program 2 times [2021-10-28 09:26:16,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:16,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195185767] [2021-10-28 09:26:16,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:16,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:26:16,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:26:16,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195185767] [2021-10-28 09:26:16,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195185767] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:26:16,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781098986] [2021-10-28 09:26:16,616 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 09:26:16,616 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:26:16,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:16,618 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:26:16,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (97)] Waiting until timeout for monitored process [2021-10-28 09:26:16,968 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 09:26:16,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:26:16,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-28 09:26:16,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:17,022 INFO L354 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2021-10-28 09:26:17,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 34 [2021-10-28 09:26:17,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-10-28 09:26:17,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-10-28 09:26:17,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 09:26:17,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:17,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:17,622 INFO L354 Elim1Store]: treesize reduction 90, result has 29.1 percent of original size [2021-10-28 09:26:17,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 582 treesize of output 172 [2021-10-28 09:26:17,667 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-28 09:26:17,686 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 0 case distinctions, treesize of input 45 treesize of output 33 [2021-10-28 09:26:17,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:17,726 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 0 case distinctions, treesize of input 36 treesize of output 24 [2021-10-28 09:26:17,740 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-28 09:26:17,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 52 [2021-10-28 09:26:18,117 INFO L354 Elim1Store]: treesize reduction 29, result has 12.1 percent of original size [2021-10-28 09:26:18,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 73 treesize of output 45 [2021-10-28 09:26:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:26:18,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781098986] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:26:18,277 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:26:18,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-10-28 09:26:18,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032557910] [2021-10-28 09:26:18,278 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:26:18,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:18,278 INFO L85 PathProgramCache]: Analyzing trace with hash 35409686, now seen corresponding path program 3 times [2021-10-28 09:26:18,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:18,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883695222] [2021-10-28 09:26:18,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:18,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:18,298 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:18,306 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:18,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:26:18,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-28 09:26:18,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2021-10-28 09:26:18,809 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. cyclomatic complexity: 29 Second operand has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 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) [2021-10-28 09:26:19,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:26:19,432 INFO L93 Difference]: Finished difference Result 108 states and 136 transitions. [2021-10-28 09:26:19,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 09:26:19,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 136 transitions. [2021-10-28 09:26:19,434 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2021-10-28 09:26:19,435 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 105 states and 131 transitions. [2021-10-28 09:26:19,436 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2021-10-28 09:26:19,436 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2021-10-28 09:26:19,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 105 states and 131 transitions. [2021-10-28 09:26:19,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:26:19,436 INFO L681 BuchiCegarLoop]: Abstraction has 105 states and 131 transitions. [2021-10-28 09:26:19,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states and 131 transitions. [2021-10-28 09:26:19,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 70. [2021-10-28 09:26:19,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.2714285714285714) internal successors, (89), 69 states have internal predecessors, (89), 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) [2021-10-28 09:26:19,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2021-10-28 09:26:19,443 INFO L704 BuchiCegarLoop]: Abstraction has 70 states and 89 transitions. [2021-10-28 09:26:19,443 INFO L587 BuchiCegarLoop]: Abstraction has 70 states and 89 transitions. [2021-10-28 09:26:19,443 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-28 09:26:19,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 89 transitions. [2021-10-28 09:26:19,444 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 31 [2021-10-28 09:26:19,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:26:19,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:26:19,445 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 1, 1, 1, 1] [2021-10-28 09:26:19,445 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1] [2021-10-28 09:26:19,446 INFO L791 eck$LassoCheckResult]: Stem: 2520#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2521#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 2534#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2560#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2524#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2525#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 2528#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 2529#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2566#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2567#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2543#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 2541#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 2542#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2576#L553-1 [2021-10-28 09:26:19,446 INFO L793 eck$LassoCheckResult]: Loop: 2576#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2574#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2571#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 2572#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 2579#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2566#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2567#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2543#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 2541#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 2542#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2576#L553-1 [2021-10-28 09:26:19,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:19,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1958416954, now seen corresponding path program 3 times [2021-10-28 09:26:19,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:19,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373887593] [2021-10-28 09:26:19,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:19,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:19,473 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:19,494 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:19,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:19,495 INFO L85 PathProgramCache]: Analyzing trace with hash 480749795, now seen corresponding path program 1 times [2021-10-28 09:26:19,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:19,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886932919] [2021-10-28 09:26:19,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:19,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:19,515 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:19,531 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:19,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:19,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1335499672, now seen corresponding path program 4 times [2021-10-28 09:26:19,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:19,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352719266] [2021-10-28 09:26:19,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:19,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:19,922 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:26:19,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:26:19,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352719266] [2021-10-28 09:26:19,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352719266] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:26:19,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453712256] [2021-10-28 09:26:19,923 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-28 09:26:19,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:26:19,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:19,926 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:26:19,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Waiting until timeout for monitored process [2021-10-28 09:26:20,257 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-28 09:26:20,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:26:20,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 42 conjunts are in the unsatisfiable core [2021-10-28 09:26:20,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:20,293 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-10-28 09:26:20,293 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 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-10-28 09:26:20,302 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 14 treesize of output 12 [2021-10-28 09:26:20,421 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 09:26:20,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 8 [2021-10-28 09:26:20,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2021-10-28 09:26:20,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 09:26:20,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:20,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 09:26:20,796 INFO L354 Elim1Store]: treesize reduction 163, result has 32.1 percent of original size [2021-10-28 09:26:20,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 544 treesize of output 168 [2021-10-28 09:26:20,854 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-28 09:26:20,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:20,981 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 0 case distinctions, treesize of input 48 treesize of output 36 [2021-10-28 09:26:20,995 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-28 09:26:20,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 71 [2021-10-28 09:26:21,018 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 09:26:21,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 57 [2021-10-28 09:26:21,459 INFO L354 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2021-10-28 09:26:21,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 34 [2021-10-28 09:26:21,486 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:26:21,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453712256] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:26:21,486 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:26:21,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2021-10-28 09:26:21,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288549611] [2021-10-28 09:26:23,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:26:23,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 09:26:23,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2021-10-28 09:26:23,117 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. cyclomatic complexity: 26 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 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) [2021-10-28 09:26:23,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:26:23,197 INFO L93 Difference]: Finished difference Result 72 states and 83 transitions. [2021-10-28 09:26:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:26:23,198 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 83 transitions. [2021-10-28 09:26:23,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 18 [2021-10-28 09:26:23,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 63 states and 74 transitions. [2021-10-28 09:26:23,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-10-28 09:26:23,200 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2021-10-28 09:26:23,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 74 transitions. [2021-10-28 09:26:23,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:26:23,201 INFO L681 BuchiCegarLoop]: Abstraction has 63 states and 74 transitions. [2021-10-28 09:26:23,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 74 transitions. [2021-10-28 09:26:23,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 56. [2021-10-28 09:26:23,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 55 states have internal predecessors, (67), 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) [2021-10-28 09:26:23,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 67 transitions. [2021-10-28 09:26:23,208 INFO L704 BuchiCegarLoop]: Abstraction has 56 states and 67 transitions. [2021-10-28 09:26:23,208 INFO L587 BuchiCegarLoop]: Abstraction has 56 states and 67 transitions. [2021-10-28 09:26:23,208 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-28 09:26:23,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 67 transitions. [2021-10-28 09:26:23,209 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2021-10-28 09:26:23,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:26:23,209 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:26:23,210 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2021-10-28 09:26:23,210 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1, 1, 1] [2021-10-28 09:26:23,210 INFO L791 eck$LassoCheckResult]: Stem: 2752#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2753#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 2768#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2780#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2779#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2775#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 2772#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 2771#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2764#L553-1 [2021-10-28 09:26:23,210 INFO L793 eck$LassoCheckResult]: Loop: 2764#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2806#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2802#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 2803#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 2762#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2763#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2754#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2755#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 2769#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 2759#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2764#L553-1 [2021-10-28 09:26:23,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:23,211 INFO L85 PathProgramCache]: Analyzing trace with hash 177751413, now seen corresponding path program 3 times [2021-10-28 09:26:23,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:23,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435534847] [2021-10-28 09:26:23,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:23,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:23,226 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:23,240 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:23,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:23,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1294255583, now seen corresponding path program 1 times [2021-10-28 09:26:23,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:23,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449321541] [2021-10-28 09:26:23,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:23,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:23,306 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:23,334 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:23,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:23,336 INFO L85 PathProgramCache]: Analyzing trace with hash 2067938965, now seen corresponding path program 1 times [2021-10-28 09:26:23,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:23,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599527018] [2021-10-28 09:26:23,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:23,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:23,385 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:23,426 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:27,387 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:26:27,387 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:26:27,387 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:26:27,387 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:26:27,387 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:26:27,388 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:27,388 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:26:27,388 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:26:27,388 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration12_Lasso [2021-10-28 09:26:27,388 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:26:27,388 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:26:27,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:27,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:27,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:27,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:27,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:27,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:28,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:29,295 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:26:29,295 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:26:29,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:29,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:29,297 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:29,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-28 09:26:29,298 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 [2021-10-28 09:26:29,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:29,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:29,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:29,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:29,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:29,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:29,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:29,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:29,334 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:29,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:29,335 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:29,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-28 09:26:29,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:26:29,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:29,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:29,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:29,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:29,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:29,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:29,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:29,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:29,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:29,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:29,370 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:29,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-28 09:26:29,372 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 [2021-10-28 09:26:29,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:29,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:29,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:29,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:29,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:29,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:29,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:29,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:29,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:29,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:29,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:29,429 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:29,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-28 09:26:29,430 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 [2021-10-28 09:26:29,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:29,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:29,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:29,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:29,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:29,439 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:29,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:29,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:29,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:29,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:29,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:29,463 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:29,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-28 09:26:29,464 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 [2021-10-28 09:26:29,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:29,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:29,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:29,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:29,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:29,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:29,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:29,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:29,498 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:29,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:29,499 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:29,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-28 09:26:29,500 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 [2021-10-28 09:26:29,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:29,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:29,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:29,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:29,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:29,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:29,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:29,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:29,539 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:29,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:29,540 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:29,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-28 09:26:29,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:26:29,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:29,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:29,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:29,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:29,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:29,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:29,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:29,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-10-28 09:26:29,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:29,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:29,583 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:29,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-28 09:26:29,584 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 [2021-10-28 09:26:29,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:29,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:29,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:29,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:29,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:29,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:29,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:29,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-10-28 09:26:29,621 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:29,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:29,622 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:29,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-28 09:26:29,623 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 [2021-10-28 09:26:29,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:29,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:29,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:29,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:29,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:29,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:29,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:29,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-10-28 09:26:29,662 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:29,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:29,663 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:29,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-28 09:26:29,664 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 [2021-10-28 09:26:29,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:29,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:29,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:29,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:29,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:29,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:29,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:29,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:29,720 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:29,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:29,721 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:29,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-28 09:26:29,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:26:29,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:29,731 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 09:26:29,731 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:26:29,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:29,746 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-10-28 09:26:29,746 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 09:26:29,790 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:26:29,837 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 09:26:29,837 INFO L444 ModelExtractionUtils]: 6 out of 31 variables were initially zero. Simplification set additionally 23 variables to zero. [2021-10-28 09:26:29,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:29,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:29,838 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:29,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-28 09:26:29,839 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:26:29,848 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2021-10-28 09:26:29,848 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:26:29,849 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_7) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_7 Supporting invariants [] [2021-10-28 09:26:29,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-10-28 09:26:30,019 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-10-28 09:26:30,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:30,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:26:30,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:30,081 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 14 treesize of output 12 [2021-10-28 09:26:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:30,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 09:26:30,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:30,232 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-10-28 09:26:30,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:30,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:30,355 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-10-28 09:26:30,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 282 treesize of output 116 [2021-10-28 09:26:30,400 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 0 case distinctions, treesize of input 27 treesize of output 19 [2021-10-28 09:26:30,523 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-28 09:26:30,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-10-28 09:26:30,677 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:26:30,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 44 [2021-10-28 09:26:30,925 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:26:30,926 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 36 [2021-10-28 09:26:30,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:30,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:31,040 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-10-28 09:26:31,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 291 treesize of output 121 [2021-10-28 09:26:31,112 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:26:31,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 43 [2021-10-28 09:26:32,621 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:26:32,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 91 treesize of output 54 [2021-10-28 09:26:33,076 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:26:33,077 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 7 loop predicates [2021-10-28 09:26:33,077 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 67 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:26:33,265 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 67 transitions. cyclomatic complexity: 16. Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 144 states and 171 transitions. Complement of second has 16 states. [2021-10-28 09:26:33,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2021-10-28 09:26:33,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:26:33,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 18 transitions. [2021-10-28 09:26:33,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 18 transitions. Stem has 8 letters. Loop has 10 letters. [2021-10-28 09:26:33,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:33,266 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:26:33,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:33,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:26:33,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:33,323 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 14 treesize of output 12 [2021-10-28 09:26:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:33,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 09:26:33,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:33,480 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-10-28 09:26:33,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:33,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:33,596 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-10-28 09:26:33,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 282 treesize of output 116 [2021-10-28 09:26:33,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 59 [2021-10-28 09:26:33,731 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:26:33,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 44 [2021-10-28 09:26:33,978 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:26:33,979 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 36 [2021-10-28 09:26:34,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:34,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:34,105 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-10-28 09:26:34,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 291 treesize of output 121 [2021-10-28 09:26:34,773 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-28 09:26:34,828 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:26:34,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 35 [2021-10-28 09:26:35,814 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:26:35,815 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 7 loop predicates [2021-10-28 09:26:35,815 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 67 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:26:36,031 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 67 transitions. cyclomatic complexity: 16. Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 87 states and 101 transitions. Complement of second has 16 states. [2021-10-28 09:26:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2021-10-28 09:26:36,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:26:36,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2021-10-28 09:26:36,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 12 transitions. Stem has 8 letters. Loop has 10 letters. [2021-10-28 09:26:36,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:36,034 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:26:36,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:36,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:26:36,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:36,103 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 14 treesize of output 12 [2021-10-28 09:26:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:36,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 09:26:36,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:36,285 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-10-28 09:26:36,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:36,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:36,389 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-10-28 09:26:36,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 282 treesize of output 116 [2021-10-28 09:26:36,452 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:26:36,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 43 [2021-10-28 09:26:36,589 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 0 case distinctions, treesize of input 51 treesize of output 31 [2021-10-28 09:26:36,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 42 [2021-10-28 09:26:36,854 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:26:36,854 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 36 [2021-10-28 09:26:36,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:36,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:36,942 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-10-28 09:26:36,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 291 treesize of output 121 [2021-10-28 09:26:38,596 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 0 case distinctions, treesize of input 27 treesize of output 19 [2021-10-28 09:26:39,103 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 0 case distinctions, treesize of input 85 treesize of output 53 [2021-10-28 09:26:39,222 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:26:39,223 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 1 case distinctions, treesize of input 85 treesize of output 53 [2021-10-28 09:26:39,992 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 0 case distinctions, treesize of input 27 treesize of output 19 [2021-10-28 09:26:40,123 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 0 case distinctions, treesize of input 27 treesize of output 19 [2021-10-28 09:26:40,315 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:26:40,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 67 [2021-10-28 09:26:40,537 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:26:40,538 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 7 loop predicates [2021-10-28 09:26:40,538 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 67 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:26:40,748 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 67 transitions. cyclomatic complexity: 16. Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 153 states and 180 transitions. Complement of second has 23 states. [2021-10-28 09:26:40,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2021-10-28 09:26:40,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:26:40,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 25 transitions. [2021-10-28 09:26:40,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 25 transitions. Stem has 8 letters. Loop has 10 letters. [2021-10-28 09:26:40,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:40,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 25 transitions. Stem has 18 letters. Loop has 10 letters. [2021-10-28 09:26:40,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:40,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 25 transitions. Stem has 8 letters. Loop has 20 letters. [2021-10-28 09:26:40,752 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:40,752 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 180 transitions. [2021-10-28 09:26:40,754 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-10-28 09:26:40,755 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 100 states and 124 transitions. [2021-10-28 09:26:40,755 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-28 09:26:40,755 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 09:26:40,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 100 states and 124 transitions. [2021-10-28 09:26:40,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:26:40,756 INFO L681 BuchiCegarLoop]: Abstraction has 100 states and 124 transitions. [2021-10-28 09:26:40,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states and 124 transitions. [2021-10-28 09:26:40,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 64. [2021-10-28 09:26:40,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 64 states have (on average 1.296875) internal successors, (83), 63 states have internal predecessors, (83), 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) [2021-10-28 09:26:40,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 83 transitions. [2021-10-28 09:26:40,760 INFO L704 BuchiCegarLoop]: Abstraction has 64 states and 83 transitions. [2021-10-28 09:26:40,761 INFO L587 BuchiCegarLoop]: Abstraction has 64 states and 83 transitions. [2021-10-28 09:26:40,761 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-28 09:26:40,761 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 64 states and 83 transitions. [2021-10-28 09:26:40,761 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-10-28 09:26:40,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:26:40,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:26:40,762 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1] [2021-10-28 09:26:40,762 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:26:40,763 INFO L791 eck$LassoCheckResult]: Stem: 3565#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3566#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 3580#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 3590#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 3586#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 3587#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 3599#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 3575#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 3576#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 3600#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 3585#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 3584#L554-2 [2021-10-28 09:26:40,763 INFO L793 eck$LassoCheckResult]: Loop: 3584#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 3593#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 3588#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 3589#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 3583#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 3584#L554-2 [2021-10-28 09:26:40,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:40,763 INFO L85 PathProgramCache]: Analyzing trace with hash -302321096, now seen corresponding path program 3 times [2021-10-28 09:26:40,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:40,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282963556] [2021-10-28 09:26:40,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:40,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:40,781 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:40,797 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:40,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:40,798 INFO L85 PathProgramCache]: Analyzing trace with hash 53782946, now seen corresponding path program 2 times [2021-10-28 09:26:40,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:40,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921320101] [2021-10-28 09:26:40,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:40,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:40,809 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:40,817 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:40,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:40,818 INFO L85 PathProgramCache]: Analyzing trace with hash 337347019, now seen corresponding path program 2 times [2021-10-28 09:26:40,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:40,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157778802] [2021-10-28 09:26:40,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:40,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:40,847 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:40,872 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:42,952 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:26:42,952 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:26:42,952 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:26:42,952 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:26:42,953 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:26:42,953 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:42,953 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:26:42,953 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:26:42,953 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration13_Lasso [2021-10-28 09:26:42,953 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:26:42,953 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:26:42,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:42,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:42,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:42,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:42,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:42,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:42,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:42,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:42,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:42,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:42,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:42,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:42,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:42,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:42,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:43,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:43,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:43,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:43,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:43,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:43,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:43,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:43,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:43,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:43,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:43,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:43,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:43,826 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:26:43,827 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:26:43,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:43,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:43,829 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:43,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-28 09:26:43,831 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 [2021-10-28 09:26:43,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:43,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:43,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:43,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:43,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:43,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:43,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:43,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:43,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:43,861 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:43,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:43,862 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:43,863 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 [2021-10-28 09:26:43,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-28 09:26:43,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:43,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:43,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:43,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:43,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:43,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:43,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:43,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:43,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:43,893 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:43,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:43,893 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:43,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-28 09:26:43,894 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 [2021-10-28 09:26:43,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:43,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:43,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:43,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:43,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:43,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:43,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:43,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:43,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-10-28 09:26:43,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:43,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:43,925 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:43,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-28 09:26:43,926 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 [2021-10-28 09:26:43,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:43,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:43,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:43,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:43,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:43,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:43,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:43,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:43,960 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:43,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:43,960 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:43,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-28 09:26:43,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:26:43,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:43,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:43,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:43,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:43,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:43,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:43,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:43,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:43,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:43,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:43,994 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:43,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-28 09:26:43,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:26:44,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:44,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:44,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:44,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:44,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:44,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:44,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:44,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:44,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-10-28 09:26:44,024 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:44,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:44,025 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:44,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-28 09:26:44,026 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 [2021-10-28 09:26:44,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:44,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:44,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:44,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:44,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:44,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:44,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:44,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-10-28 09:26:44,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:44,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:44,058 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:44,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-28 09:26:44,059 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 [2021-10-28 09:26:44,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:44,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:44,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:44,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:44,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:44,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:44,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:44,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:44,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:44,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:44,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:44,089 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:44,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-10-28 09:26:44,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:26:44,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:44,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:44,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:44,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:44,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:44,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:44,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:44,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:44,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:44,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:44,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:44,121 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:44,122 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 [2021-10-28 09:26:44,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-10-28 09:26:44,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:44,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:44,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:44,130 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:26:44,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:44,130 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:26:44,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:44,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:44,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-10-28 09:26:44,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:44,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:44,155 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:44,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-10-28 09:26:44,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:26:44,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:44,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:44,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:44,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:44,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:44,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:44,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:44,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:44,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:44,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:44,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:44,188 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:44,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-10-28 09:26:44,189 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 [2021-10-28 09:26:44,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:44,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:44,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:44,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:44,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:44,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:44,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:44,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:44,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:44,220 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:44,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:44,220 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:44,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-10-28 09:26:44,222 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 [2021-10-28 09:26:44,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:44,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:44,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:44,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:44,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:44,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:44,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:44,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:44,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:44,252 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:44,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:44,253 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:44,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-10-28 09:26:44,254 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 [2021-10-28 09:26:44,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:44,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:44,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:44,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:44,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:44,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:44,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:44,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:44,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:44,286 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:44,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:44,286 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:44,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-10-28 09:26:44,288 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 [2021-10-28 09:26:44,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:44,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:44,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:44,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:44,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:44,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:44,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:44,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:44,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:44,319 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:44,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:44,320 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:44,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-10-28 09:26:44,321 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 [2021-10-28 09:26:44,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:44,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:44,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:44,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:44,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:26:44,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:26:44,343 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:26:44,351 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-28 09:26:44,351 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-28 09:26:44,351 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:44,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:44,361 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:44,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-10-28 09:26:44,363 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:26:44,372 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:26:44,372 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:26:44,372 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_8) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_8 Supporting invariants [] [2021-10-28 09:26:44,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:44,470 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-10-28 09:26:44,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:44,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:26:44,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:44,537 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 14 treesize of output 12 [2021-10-28 09:26:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:44,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:26:44,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:44,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:44,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:26:44,720 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-10-28 09:26:44,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 271 treesize of output 113 [2021-10-28 09:26:45,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:45,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-10-28 09:26:46,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-10-28 09:26:46,032 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 0 case distinctions, treesize of input 28 treesize of output 20 [2021-10-28 09:26:47,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-10-28 09:26:47,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-10-28 09:26:47,703 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 0 case distinctions, treesize of input 28 treesize of output 20 [2021-10-28 09:26:48,163 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 0 case distinctions, treesize of input 76 treesize of output 48 [2021-10-28 09:26:48,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-10-28 09:26:48,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-10-28 09:26:48,826 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 0 case distinctions, treesize of input 28 treesize of output 20 [2021-10-28 09:26:48,922 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:26:48,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 72 [2021-10-28 09:26:49,115 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:26:49,116 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 1 case distinctions, treesize of input 76 treesize of output 48 [2021-10-28 09:26:49,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:26:49,427 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2021-10-28 09:26:49,427 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 64 states and 83 transitions. cyclomatic complexity: 26 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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) [2021-10-28 09:26:49,510 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 64 states and 83 transitions. cyclomatic complexity: 26. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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 99 states and 122 transitions. Complement of second has 10 states. [2021-10-28 09:26:49,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:26:49,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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) [2021-10-28 09:26:49,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2021-10-28 09:26:49,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 11 letters. Loop has 5 letters. [2021-10-28 09:26:49,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:49,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 16 letters. Loop has 5 letters. [2021-10-28 09:26:49,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:49,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 11 letters. Loop has 10 letters. [2021-10-28 09:26:49,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:26:49,511 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 122 transitions. [2021-10-28 09:26:49,512 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-10-28 09:26:49,513 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 79 states and 98 transitions. [2021-10-28 09:26:49,513 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-28 09:26:49,513 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-28 09:26:49,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 98 transitions. [2021-10-28 09:26:49,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:26:49,514 INFO L681 BuchiCegarLoop]: Abstraction has 79 states and 98 transitions. [2021-10-28 09:26:49,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 98 transitions. [2021-10-28 09:26:49,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 63. [2021-10-28 09:26:49,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.2857142857142858) internal successors, (81), 62 states have internal predecessors, (81), 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) [2021-10-28 09:26:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 81 transitions. [2021-10-28 09:26:49,518 INFO L704 BuchiCegarLoop]: Abstraction has 63 states and 81 transitions. [2021-10-28 09:26:49,518 INFO L587 BuchiCegarLoop]: Abstraction has 63 states and 81 transitions. [2021-10-28 09:26:49,518 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-28 09:26:49,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 81 transitions. [2021-10-28 09:26:49,519 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-10-28 09:26:49,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:26:49,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:26:49,519 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 1, 1, 1, 1, 1] [2021-10-28 09:26:49,528 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:26:49,528 INFO L791 eck$LassoCheckResult]: Stem: 3908#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3909#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 3925#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 3922#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 3923#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 3968#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 3916#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 3917#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 3921#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 3967#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 3964#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 3954#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 3955#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 3932#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 3933#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 3928#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 3914#L554-2 [2021-10-28 09:26:49,528 INFO L793 eck$LassoCheckResult]: Loop: 3914#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 3915#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 3950#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 3949#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 3926#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 3914#L554-2 [2021-10-28 09:26:49,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:49,530 INFO L85 PathProgramCache]: Analyzing trace with hash 88414793, now seen corresponding path program 3 times [2021-10-28 09:26:49,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:49,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347837096] [2021-10-28 09:26:49,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:49,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:49,556 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:49,578 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:49,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:49,578 INFO L85 PathProgramCache]: Analyzing trace with hash 53782946, now seen corresponding path program 3 times [2021-10-28 09:26:49,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:49,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447428973] [2021-10-28 09:26:49,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:49,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:49,589 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:49,595 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:49,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:49,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1508686938, now seen corresponding path program 4 times [2021-10-28 09:26:49,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:49,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075428408] [2021-10-28 09:26:49,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:49,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:49,625 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:49,655 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:56,091 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:26:56,091 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:26:56,091 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:26:56,091 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:26:56,091 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:26:56,091 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:56,091 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:26:56,091 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:26:56,091 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration14_Lasso [2021-10-28 09:26:56,091 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:26:56,092 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:26:56,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:56,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:56,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:56,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:56,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:56,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:56,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:56,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:56,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:56,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:56,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:56,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:56,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:59,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:59,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:59,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:59,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:59,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:59,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:59,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:59,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:59,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:59,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:59,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:59,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:59,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:59,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:59,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:26:59,714 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:26:59,714 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:26:59,715 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:59,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:59,716 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:59,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-10-28 09:26:59,726 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 [2021-10-28 09:26:59,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:59,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:59,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:59,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:59,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:59,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:59,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:59,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:59,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:59,763 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:59,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:59,766 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:59,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-10-28 09:26:59,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:26:59,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:59,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:59,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:59,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:59,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:59,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:59,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:59,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:59,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:59,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:59,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:59,818 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:59,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-10-28 09:26:59,820 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 [2021-10-28 09:26:59,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:59,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:59,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:59,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:59,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:59,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:59,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:59,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:59,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:59,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:59,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:59,858 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:59,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-10-28 09:26:59,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:26:59,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:59,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:59,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:59,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:59,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:59,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:59,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:59,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:59,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2021-10-28 09:26:59,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:59,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:59,900 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:59,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-10-28 09:26:59,901 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 [2021-10-28 09:26:59,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:59,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:59,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:59,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:59,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:59,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:59,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:59,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:59,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:59,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:59,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:59,941 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:59,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-10-28 09:26:59,943 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 [2021-10-28 09:26:59,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:59,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:59,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:59,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:59,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:59,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:59,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:59,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:26:59,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:59,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:26:59,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:59,985 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:59,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-10-28 09:26:59,987 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 [2021-10-28 09:26:59,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:26:59,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:26:59,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:26:59,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:26:59,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:26:59,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:26:59,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:26:59,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:27:00,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2021-10-28 09:27:00,024 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:27:00,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:27:00,025 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:27:00,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-10-28 09:27:00,027 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 [2021-10-28 09:27:00,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:27:00,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:27:00,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:27:00,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:27:00,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:27:00,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:27:00,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:27:00,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:27:00,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2021-10-28 09:27:00,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:27:00,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:27:00,065 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:27:00,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-10-28 09:27:00,067 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 [2021-10-28 09:27:00,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:27:00,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:27:00,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:27:00,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:27:00,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:27:00,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:27:00,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:27:00,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2021-10-28 09:27:00,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:27:00,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:27:00,139 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:27:00,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-10-28 09:27:00,141 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 [2021-10-28 09:27:00,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:27:00,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:27:00,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:27:00,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:27:00,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:27:00,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:27:00,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:27:00,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2021-10-28 09:27:00,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:27:00,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:27:00,182 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:27:00,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-10-28 09:27:00,183 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 [2021-10-28 09:27:00,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:27:00,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:27:00,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:27:00,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:27:00,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:27:00,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:27:00,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:27:00,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:27:00,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2021-10-28 09:27:00,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:27:00,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:27:00,222 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:27:00,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-10-28 09:27:00,223 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 [2021-10-28 09:27:00,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:27:00,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:27:00,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:27:00,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:27:00,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:27:00,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:27:00,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:27:00,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:27:00,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2021-10-28 09:27:00,260 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:27:00,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:27:00,261 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:27:00,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-10-28 09:27:00,263 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 [2021-10-28 09:27:00,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:27:00,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:27:00,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:27:00,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:27:00,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:27:00,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:27:00,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:27:00,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2021-10-28 09:27:00,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:27:00,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:27:00,307 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:27:00,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-10-28 09:27:00,308 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 [2021-10-28 09:27:00,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:27:00,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:27:00,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:27:00,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:27:00,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:27:00,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:27:00,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:27:00,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2021-10-28 09:27:00,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:27:00,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:27:00,354 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:27:00,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-10-28 09:27:00,356 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 [2021-10-28 09:27:00,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:27:00,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:27:00,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:27:00,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:27:00,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:27:00,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:27:00,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:27:00,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2021-10-28 09:27:00,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:27:00,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:27:00,400 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:27:00,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-10-28 09:27:00,402 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 [2021-10-28 09:27:00,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:27:00,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:27:00,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:27:00,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:27:00,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:27:00,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:27:00,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:27:00,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2021-10-28 09:27:00,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:27:00,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:27:00,442 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:27:00,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-10-28 09:27:00,444 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 [2021-10-28 09:27:00,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:27:00,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:27:00,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:27:00,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:27:00,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:27:00,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:27:00,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:27:00,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2021-10-28 09:27:00,503 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:27:00,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:27:00,504 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:27:00,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-10-28 09:27:00,506 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 [2021-10-28 09:27:00,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:27:00,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:27:00,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:27:00,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:27:00,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:27:00,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:27:00,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:27:00,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2021-10-28 09:27:00,590 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:27:00,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:27:00,600 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:27:00,606 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 [2021-10-28 09:27:00,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:27:00,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:27:00,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:27:00,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:27:00,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-10-28 09:27:00,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:27:00,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:27:00,644 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:27:00,659 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-28 09:27:00,659 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-10-28 09:27:00,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:27:00,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:27:00,660 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:27:00,666 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:27:00,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-10-28 09:27:00,695 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:27:00,695 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:27:00,695 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_9) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_9 Supporting invariants [] [2021-10-28 09:27:00,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2021-10-28 09:27:00,895 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-10-28 09:27:00,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:27:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:27:00,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:27:00,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:27:00,997 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 14 treesize of output 12 [2021-10-28 09:27:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:27:01,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:27:01,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:27:01,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:27:01,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:27:01,348 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-10-28 09:27:01,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 271 treesize of output 113 [2021-10-28 09:27:02,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-10-28 09:27:02,930 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 0 case distinctions, treesize of input 28 treesize of output 20 [2021-10-28 09:27:03,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Forceful destruction successful, exit code 0 [2021-10-28 09:27:04,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-10-28 09:27:04,970 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 0 case distinctions, treesize of input 28 treesize of output 20 [2021-10-28 09:27:05,756 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:27:05,757 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 1 case distinctions, treesize of input 76 treesize of output 48 [2021-10-28 09:27:06,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-10-28 09:27:06,913 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 0 case distinctions, treesize of input 28 treesize of output 20 [2021-10-28 09:27:07,049 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:27:07,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 72 [2021-10-28 09:27:07,257 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 0 case distinctions, treesize of input 76 treesize of output 48 [2021-10-28 09:27:07,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:27:07,550 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2021-10-28 09:27:07,550 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 63 states and 81 transitions. cyclomatic complexity: 25 Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:27:07,670 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 63 states and 81 transitions. cyclomatic complexity: 25. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 87 states and 108 transitions. Complement of second has 10 states. [2021-10-28 09:27:07,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:27:07,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:27:07,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2021-10-28 09:27:07,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 16 letters. Loop has 5 letters. [2021-10-28 09:27:07,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:27:07,672 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:27:07,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:27:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:27:07,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:27:07,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:27:07,745 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 14 treesize of output 12 [2021-10-28 09:27:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:27:07,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:27:07,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:27:07,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:27:07,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:27:08,030 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-10-28 09:27:08,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 271 treesize of output 113 [2021-10-28 09:27:08,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 44 [2021-10-28 09:27:08,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-10-28 09:27:09,018 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 0 case distinctions, treesize of input 28 treesize of output 20 [2021-10-28 09:27:09,118 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:27:09,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 53 [2021-10-28 09:27:09,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:27:09,408 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 4 loop predicates [2021-10-28 09:27:09,408 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 63 states and 81 transitions. cyclomatic complexity: 25 Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:27:09,506 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 63 states and 81 transitions. cyclomatic complexity: 25. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 87 states and 108 transitions. Complement of second has 10 states. [2021-10-28 09:27:09,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:27:09,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:27:09,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2021-10-28 09:27:09,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 16 letters. Loop has 5 letters. [2021-10-28 09:27:09,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:27:09,519 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:27:09,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:27:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:27:09,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:27:09,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:27:09,621 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 14 treesize of output 12 [2021-10-28 09:27:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:27:09,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:27:09,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:27:09,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:27:09,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:27:09,934 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-10-28 09:27:09,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 271 treesize of output 113 [2021-10-28 09:27:10,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 44 [2021-10-28 09:27:11,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-10-28 09:27:11,057 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 0 case distinctions, treesize of input 28 treesize of output 20 [2021-10-28 09:27:11,174 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:27:11,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 53 [2021-10-28 09:27:11,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:27:11,489 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2021-10-28 09:27:11,489 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 63 states and 81 transitions. cyclomatic complexity: 25 Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:27:11,620 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 63 states and 81 transitions. cyclomatic complexity: 25. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 76 states and 97 transitions. Complement of second has 9 states. [2021-10-28 09:27:11,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:27:11,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:27:11,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2021-10-28 09:27:11,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 16 letters. Loop has 5 letters. [2021-10-28 09:27:11,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:27:11,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 21 letters. Loop has 5 letters. [2021-10-28 09:27:11,622 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:27:11,622 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 16 letters. Loop has 10 letters. [2021-10-28 09:27:11,622 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:27:11,622 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 97 transitions. [2021-10-28 09:27:11,623 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:27:11,624 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 50 states and 62 transitions. [2021-10-28 09:27:11,624 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-28 09:27:11,625 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-28 09:27:11,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 62 transitions. [2021-10-28 09:27:11,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:27:11,625 INFO L681 BuchiCegarLoop]: Abstraction has 50 states and 62 transitions. [2021-10-28 09:27:11,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 62 transitions. [2021-10-28 09:27:11,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2021-10-28 09:27:11,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 47 states have internal predecessors, (59), 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) [2021-10-28 09:27:11,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2021-10-28 09:27:11,629 INFO L704 BuchiCegarLoop]: Abstraction has 48 states and 59 transitions. [2021-10-28 09:27:11,629 INFO L587 BuchiCegarLoop]: Abstraction has 48 states and 59 transitions. [2021-10-28 09:27:11,629 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-28 09:27:11,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 59 transitions. [2021-10-28 09:27:11,630 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:27:11,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:27:11,631 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:27:11,631 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 2, 2, 1, 1, 1, 1] [2021-10-28 09:27:11,632 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:27:11,632 INFO L791 eck$LassoCheckResult]: Stem: 4577#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 4578#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 4591#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 4595#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 4596#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 4594#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 4583#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 4585#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 4589#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 4618#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 4616#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 4614#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 4607#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 4611#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 4610#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 4609#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 4606#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 4600#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 4598#L553-1 [2021-10-28 09:27:11,632 INFO L793 eck$LassoCheckResult]: Loop: 4598#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 4579#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 4580#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 4597#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 4599#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 4598#L553-1 [2021-10-28 09:27:11,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:27:11,633 INFO L85 PathProgramCache]: Analyzing trace with hash 2067938965, now seen corresponding path program 5 times [2021-10-28 09:27:11,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:27:11,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981933774] [2021-10-28 09:27:11,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:27:11,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:27:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:27:11,689 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:27:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:27:11,727 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:27:11,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:27:11,728 INFO L85 PathProgramCache]: Analyzing trace with hash 38421686, now seen corresponding path program 4 times [2021-10-28 09:27:11,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:27:11,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605484703] [2021-10-28 09:27:11,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:27:11,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:27:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:27:11,748 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:27:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:27:11,759 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:27:11,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:27:11,760 INFO L85 PathProgramCache]: Analyzing trace with hash 155976354, now seen corresponding path program 6 times [2021-10-28 09:27:11,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:27:11,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261737979] [2021-10-28 09:27:11,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:27:11,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:27:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:27:11,827 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:27:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:27:11,868 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:27:23,503 WARN L207 SmtUtils]: Spent 10.92 s on a formula simplification. DAG size of input: 273 DAG size of output: 211 [2021-10-28 09:27:28,632 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:27:28,632 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:27:28,633 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:27:28,633 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:27:28,633 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:27:28,633 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:27:28,633 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:27:28,633 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:27:28,633 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration15_Lasso [2021-10-28 09:27:28,633 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:27:28,633 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:27:28,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:27:28,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:27:28,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:27:28,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:27:28,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:27:28,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:27:28,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:27:28,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:27:28,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:27:28,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:27:28,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:27:28,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:27:28,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:27:28,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:27:28,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:27:28,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:27:28,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:28:19,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:28:19,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:28:19,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:28:19,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:28:19,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:28:19,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:28:19,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:28:19,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:28:19,850 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:28:19,850 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:28:19,850 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:19,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:19,853 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:19,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-10-28 09:28:19,855 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 [2021-10-28 09:28:19,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:19,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:19,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:19,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:19,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:28:19,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:28:19,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:19,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2021-10-28 09:28:19,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:19,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:19,918 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:19,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-10-28 09:28:19,919 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 [2021-10-28 09:28:19,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:19,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:19,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:19,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:19,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:19,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:19,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:19,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:19,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2021-10-28 09:28:19,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:19,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:19,957 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:19,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-10-28 09:28:19,959 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 [2021-10-28 09:28:19,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:19,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:19,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:19,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:19,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:19,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:19,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:19,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:19,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:19,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:19,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:19,996 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:19,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-10-28 09:28:19,997 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 [2021-10-28 09:28:20,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:20,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:20,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:20,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:20,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:20,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:20,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2021-10-28 09:28:20,034 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:20,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:20,035 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:20,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-10-28 09:28:20,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:28:20,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:20,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:20,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:28:20,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:28:20,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:20,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:20,076 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:20,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:20,077 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:20,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-10-28 09:28:20,078 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 [2021-10-28 09:28:20,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:20,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:20,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:20,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:20,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:20,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:20,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2021-10-28 09:28:20,115 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:20,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:20,116 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:20,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-10-28 09:28:20,117 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 [2021-10-28 09:28:20,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:20,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:20,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:20,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:20,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:20,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:20,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2021-10-28 09:28:20,155 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:20,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:20,156 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:20,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-10-28 09:28:20,157 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 [2021-10-28 09:28:20,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:20,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:20,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:20,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:20,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:20,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:20,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:20,194 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:20,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:20,194 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:20,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-10-28 09:28:20,196 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 [2021-10-28 09:28:20,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:20,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:20,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:28:20,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:28:20,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:20,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2021-10-28 09:28:20,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:20,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:20,236 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:20,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-10-28 09:28:20,238 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 [2021-10-28 09:28:20,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:20,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:20,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:20,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:20,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:20,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:20,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:20,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:20,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:20,296 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:20,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-10-28 09:28:20,298 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 [2021-10-28 09:28:20,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:20,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:20,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:20,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:20,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:20,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:20,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2021-10-28 09:28:20,335 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:20,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:20,336 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:20,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-10-28 09:28:20,338 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 [2021-10-28 09:28:20,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:20,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:20,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:28:20,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:28:20,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:20,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:20,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:20,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:20,378 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:20,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-10-28 09:28:20,380 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 [2021-10-28 09:28:20,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:20,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:20,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:20,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:20,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:20,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:20,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2021-10-28 09:28:20,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:20,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:20,417 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:20,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2021-10-28 09:28:20,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:28:20,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:20,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:20,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:20,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:20,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:20,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:20,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2021-10-28 09:28:20,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:20,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:20,456 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:20,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2021-10-28 09:28:20,458 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 [2021-10-28 09:28:20,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:20,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:20,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:20,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:20,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:20,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:20,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:20,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:20,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:20,495 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:20,497 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 [2021-10-28 09:28:20,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2021-10-28 09:28:20,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:20,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:20,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:20,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:20,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:20,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:20,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2021-10-28 09:28:20,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:20,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:20,537 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:20,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2021-10-28 09:28:20,538 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 [2021-10-28 09:28:20,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:20,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:20,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:28:20,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:28:20,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:20,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:20,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:20,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:20,578 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:20,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2021-10-28 09:28:20,580 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 [2021-10-28 09:28:20,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:20,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:20,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,592 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:28:20,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:28:20,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:20,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2021-10-28 09:28:20,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:20,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:20,626 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:20,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2021-10-28 09:28:20,627 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 [2021-10-28 09:28:20,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,637 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 09:28:20,637 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:28:20,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,656 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-10-28 09:28:20,656 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 09:28:20,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:20,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:20,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:20,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:20,761 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:20,770 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 [2021-10-28 09:28:20,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:20,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:20,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2021-10-28 09:28:20,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:28:20,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:28:20,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:20,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:20,851 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:20,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:20,852 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:20,854 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 [2021-10-28 09:28:20,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:20,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:20,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:28:20,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:28:20,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2021-10-28 09:28:20,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:20,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:20,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:20,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:20,930 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:20,932 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 [2021-10-28 09:28:20,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:20,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:20,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:20,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:20,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:28:20,948 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:28:20,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2021-10-28 09:28:20,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:21,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:21,020 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:21,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:21,021 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:21,023 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 [2021-10-28 09:28:21,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:21,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:21,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:21,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:21,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:28:21,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:28:21,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2021-10-28 09:28:21,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:21,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:21,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:21,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:21,101 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:21,103 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 [2021-10-28 09:28:21,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:21,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:21,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:21,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:21,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2021-10-28 09:28:21,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:28:21,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:28:21,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:21,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:21,201 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:21,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:21,202 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:21,204 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 [2021-10-28 09:28:21,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:21,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:21,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:21,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:21,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:21,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:21,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:21,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2021-10-28 09:28:21,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:21,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:21,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:21,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:21,273 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:21,278 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 [2021-10-28 09:28:21,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:21,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:21,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:21,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:21,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:21,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:21,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:21,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2021-10-28 09:28:21,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:21,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:21,351 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:21,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:21,353 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:21,358 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 [2021-10-28 09:28:21,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:21,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:21,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:21,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:21,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:28:21,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:28:21,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2021-10-28 09:28:21,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:21,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:21,428 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:21,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:21,429 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:21,431 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 [2021-10-28 09:28:21,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:21,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:21,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:21,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:21,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:21,444 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:21,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:21,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2021-10-28 09:28:21,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:21,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:21,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:21,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:21,502 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:21,505 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 [2021-10-28 09:28:21,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:21,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:21,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:21,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:21,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:21,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:21,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:21,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2021-10-28 09:28:21,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:21,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:21,574 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:21,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:21,575 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:21,578 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 [2021-10-28 09:28:21,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:21,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:21,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:21,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:21,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:21,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:21,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:21,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2021-10-28 09:28:21,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:21,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:21,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:21,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:21,625 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:21,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2021-10-28 09:28:21,626 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 [2021-10-28 09:28:21,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:21,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:21,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:21,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:21,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:21,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:21,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:21,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:21,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Ended with exit code 0 [2021-10-28 09:28:21,663 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:21,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:21,664 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:21,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2021-10-28 09:28:21,665 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 [2021-10-28 09:28:21,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:21,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:21,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:21,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:21,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:28:21,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:28:21,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:21,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:21,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2021-10-28 09:28:21,702 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 09:28:21,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:21,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:21,703 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:21,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2021-10-28 09:28:21,705 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 [2021-10-28 09:28:21,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:21,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:21,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:21,714 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:21,716 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 09:28:21,716 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 09:28:21,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:21,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Ended with exit code 0 [2021-10-28 09:28:21,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:21,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:21,748 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:21,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2021-10-28 09:28:21,749 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 [2021-10-28 09:28:21,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:21,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:21,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:21,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:21,759 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:21,759 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:28:21,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:21,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:21,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Ended with exit code 0 [2021-10-28 09:28:21,819 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:21,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:21,820 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:21,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2021-10-28 09:28:21,821 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 [2021-10-28 09:28:21,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:21,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:21,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:21,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:21,830 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:21,831 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:28:21,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:21,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:21,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:21,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:21,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:21,859 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:21,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2021-10-28 09:28:21,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:28:21,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:21,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:21,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:21,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:21,870 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:21,871 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:28:21,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:21,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:21,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:21,898 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:21,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:21,899 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:21,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2021-10-28 09:28:21,900 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 [2021-10-28 09:28:21,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:21,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:21,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:21,909 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:21,911 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 09:28:21,911 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 09:28:21,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:21,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:21,991 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:21,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:21,992 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:21,998 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 [2021-10-28 09:28:22,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:22,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:22,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:22,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:22,010 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:22,011 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:28:22,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:22,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2021-10-28 09:28:22,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:22,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:22,067 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:22,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:22,068 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:22,074 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 [2021-10-28 09:28:22,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:22,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:22,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:22,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:22,087 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:22,087 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:28:22,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:22,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2021-10-28 09:28:22,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:22,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:22,140 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:22,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:22,141 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:22,146 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 [2021-10-28 09:28:22,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:22,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:22,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:22,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:22,159 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:22,159 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:28:22,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:22,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2021-10-28 09:28:22,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:22,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:22,215 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:22,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:22,220 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:22,226 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 [2021-10-28 09:28:22,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:22,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:22,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:22,238 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:22,242 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 09:28:22,242 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 09:28:22,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2021-10-28 09:28:22,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:22,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:22,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:22,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:22,318 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:22,320 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 [2021-10-28 09:28:22,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:22,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:22,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:22,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:22,332 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:22,333 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:28:22,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:22,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2021-10-28 09:28:22,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:22,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:22,390 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:22,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:22,391 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:22,393 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 [2021-10-28 09:28:22,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:22,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:22,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:22,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:22,405 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:22,406 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:28:22,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:22,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2021-10-28 09:28:22,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:22,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:22,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:22,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:22,468 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:22,472 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 [2021-10-28 09:28:22,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:22,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:22,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:22,484 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:22,486 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 09:28:22,486 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 09:28:22,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2021-10-28 09:28:22,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:22,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:22,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:22,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:22,549 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:22,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:28:22,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:22,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:22,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:22,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:22,568 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:22,569 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:28:22,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:22,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2021-10-28 09:28:22,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:22,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:22,627 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:22,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:22,628 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:22,634 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 [2021-10-28 09:28:22,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:22,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:22,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:22,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:22,646 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:22,647 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:28:22,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:22,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2021-10-28 09:28:22,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:22,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Ended with exit code 0 [2021-10-28 09:28:22,694 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:22,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:22,694 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:22,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2021-10-28 09:28:22,696 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 [2021-10-28 09:28:22,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:22,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:22,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:22,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:22,705 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:22,706 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:28:22,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:22,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:22,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2021-10-28 09:28:22,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:22,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:22,734 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:22,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2021-10-28 09:28:22,735 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 [2021-10-28 09:28:22,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:22,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:28:22,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:22,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:22,745 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:22,745 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:28:22,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:28:22,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:22,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Ended with exit code 0 [2021-10-28 09:28:22,773 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:22,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:22,774 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:22,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2021-10-28 09:28:22,775 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 [2021-10-28 09:28:22,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:22,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:22,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:22,785 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:22,786 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 09:28:22,786 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 09:28:22,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:22,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:22,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:22,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:22,817 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:22,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2021-10-28 09:28:22,818 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 [2021-10-28 09:28:22,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:22,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:28:22,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:28:22,827 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:22,830 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 09:28:22,831 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 09:28:22,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:28:22,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:22,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:22,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:22,865 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:22,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2021-10-28 09:28:22,866 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 [2021-10-28 09:28:22,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:28:22,877 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 09:28:22,877 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:28:22,877 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:28:22,909 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2021-10-28 09:28:22,909 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-10-28 09:28:23,002 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:28:23,085 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-28 09:28:23,085 INFO L444 ModelExtractionUtils]: 20 out of 49 variables were initially zero. Simplification set additionally 25 variables to zero. [2021-10-28 09:28:23,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:28:23,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:28:23,087 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:28:23,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2021-10-28 09:28:23,088 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:28:23,100 INFO L438 nArgumentSynthesizer]: Removed 6 redundant supporting invariants from a total of 6. [2021-10-28 09:28:23,100 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:28:23,100 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_10 + 1 f1 = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_10 Supporting invariants [] [2021-10-28 09:28:23,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:23,280 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-10-28 09:28:23,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:28:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:28:23,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-28 09:28:23,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:28:23,380 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 14 treesize of output 12 [2021-10-28 09:28:23,603 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 23 treesize of output 18 [2021-10-28 09:28:23,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:28:23,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:28:23,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 09:28:23,740 INFO L354 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2021-10-28 09:28:23,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 274 treesize of output 96 [2021-10-28 09:28:23,799 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 0 case distinctions, treesize of input 47 treesize of output 35 [2021-10-28 09:28:23,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 38 [2021-10-28 09:28:23,877 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 0 case distinctions, treesize of input 51 treesize of output 31 [2021-10-28 09:28:24,212 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-10-28 09:28:24,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 39 treesize of output 23 [2021-10-28 09:28:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:28:24,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:28:24,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:28:24,636 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:28:24,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 69 [2021-10-28 09:28:24,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:28:24,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:28:24,814 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-10-28 09:28:24,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 346 treesize of output 160 [2021-10-28 09:28:25,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 112 [2021-10-28 09:28:25,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 98 [2021-10-28 09:28:26,153 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:28:26,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 88 [2021-10-28 09:28:26,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:28:26,499 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 5 loop predicates [2021-10-28 09:28:26,499 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 59 transitions. cyclomatic complexity: 16 Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 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) [2021-10-28 09:28:26,801 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 59 transitions. cyclomatic complexity: 16. Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 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) Result 72 states and 85 transitions. Complement of second has 12 states. [2021-10-28 09:28:26,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2021-10-28 09:28:26,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 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) [2021-10-28 09:28:26,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-10-28 09:28:26,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. Stem has 18 letters. Loop has 5 letters. [2021-10-28 09:28:26,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:28:26,802 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:28:26,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:28:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:28:26,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-28 09:28:26,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:28:26,894 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 14 treesize of output 12 [2021-10-28 09:28:27,182 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 23 treesize of output 18 [2021-10-28 09:28:27,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 09:28:27,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:28:27,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:28:27,327 INFO L354 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2021-10-28 09:28:27,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 274 treesize of output 96 [2021-10-28 09:28:27,361 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 0 case distinctions, treesize of input 27 treesize of output 19 [2021-10-28 09:28:27,529 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 0 case distinctions, treesize of input 72 treesize of output 44 [2021-10-28 09:28:27,863 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-10-28 09:28:27,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 39 treesize of output 23 [2021-10-28 09:28:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:28:28,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:28:28,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:28:28,402 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:28:28,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 69 [2021-10-28 09:28:28,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:28:28,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:28:28,599 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-10-28 09:28:28,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 346 treesize of output 160 [2021-10-28 09:28:29,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 120 [2021-10-28 09:28:30,259 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:28:30,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 88 [2021-10-28 09:28:30,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:28:30,954 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 5 loop predicates [2021-10-28 09:28:30,954 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 59 transitions. cyclomatic complexity: 16 Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 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) [2021-10-28 09:28:31,262 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 59 transitions. cyclomatic complexity: 16. Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 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) Result 61 states and 72 transitions. Complement of second has 10 states. [2021-10-28 09:28:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:28:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 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) [2021-10-28 09:28:31,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2021-10-28 09:28:31,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 7 transitions. Stem has 18 letters. Loop has 5 letters. [2021-10-28 09:28:31,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:28:31,265 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:28:31,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:28:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:28:31,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-28 09:28:31,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:28:31,358 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 14 treesize of output 12 [2021-10-28 09:28:31,649 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 23 treesize of output 18 [2021-10-28 09:28:31,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:28:31,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:28:31,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-28 09:28:31,809 INFO L354 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2021-10-28 09:28:31,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 274 treesize of output 96 [2021-10-28 09:28:31,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-10-28 09:28:31,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 43 [2021-10-28 09:28:32,043 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 0 case distinctions, treesize of input 27 treesize of output 19 [2021-10-28 09:28:32,148 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 0 case distinctions, treesize of input 72 treesize of output 44 [2021-10-28 09:28:32,543 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-10-28 09:28:32,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 39 treesize of output 23 [2021-10-28 09:28:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:28:32,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:28:32,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:28:33,133 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:28:33,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 69 [2021-10-28 09:28:33,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:28:33,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:28:33,406 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-10-28 09:28:33,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 346 treesize of output 160 [2021-10-28 09:28:34,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 120 [2021-10-28 09:28:35,516 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:28:35,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 88 [2021-10-28 09:28:36,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:28:36,089 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 5 loop predicates [2021-10-28 09:28:36,090 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 59 transitions. cyclomatic complexity: 16 Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 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) [2021-10-28 09:28:37,082 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 59 transitions. cyclomatic complexity: 16. Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 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) Result 109 states and 127 transitions. Complement of second has 19 states. [2021-10-28 09:28:37,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 8 stem states 4 non-accepting loop states 1 accepting loop states [2021-10-28 09:28:37,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 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) [2021-10-28 09:28:37,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 24 transitions. [2021-10-28 09:28:37,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 24 transitions. Stem has 18 letters. Loop has 5 letters. [2021-10-28 09:28:37,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:28:37,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 24 transitions. Stem has 23 letters. Loop has 5 letters. [2021-10-28 09:28:37,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:28:37,085 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 24 transitions. Stem has 18 letters. Loop has 10 letters. [2021-10-28 09:28:37,085 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:28:37,085 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 109 states and 127 transitions. [2021-10-28 09:28:37,087 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:28:37,087 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 109 states to 0 states and 0 transitions. [2021-10-28 09:28:37,087 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:28:37,088 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:28:37,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:28:37,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:28:37,088 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:28:37,088 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:28:37,088 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:28:37,089 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-28 09:28:37,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:28:37,089 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:28:37,089 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:28:37,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:28:37 BoogieIcfgContainer [2021-10-28 09:28:37,096 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:28:37,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:28:37,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:28:37,097 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:28:37,098 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:24:09" (3/4) ... [2021-10-28 09:28:37,102 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:28:37,102 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:28:37,103 INFO L168 Benchmark]: Toolchain (without parser) took 269050.77 ms. Allocated memory was 90.2 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 52.8 MB in the beginning and 522.9 MB in the end (delta: -470.1 MB). Peak memory consumption was 2.6 GB. Max. memory is 16.1 GB. [2021-10-28 09:28:37,104 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 90.2 MB. Free memory is still 70.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:28:37,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.63 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 52.6 MB in the beginning and 77.7 MB in the end (delta: -25.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:28:37,105 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.29 ms. Allocated memory is still 109.1 MB. Free memory was 77.7 MB in the beginning and 76.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:28:37,105 INFO L168 Benchmark]: Boogie Preprocessor took 53.54 ms. Allocated memory is still 109.1 MB. Free memory was 76.2 MB in the beginning and 74.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:28:37,106 INFO L168 Benchmark]: RCFGBuilder took 448.97 ms. Allocated memory is still 109.1 MB. Free memory was 74.6 MB in the beginning and 63.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:28:37,106 INFO L168 Benchmark]: BuchiAutomizer took 268045.12 ms. Allocated memory was 109.1 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 62.5 MB in the beginning and 524.0 MB in the end (delta: -461.4 MB). Peak memory consumption was 2.6 GB. Max. memory is 16.1 GB. [2021-10-28 09:28:37,107 INFO L168 Benchmark]: Witness Printer took 5.87 ms. Allocated memory is still 3.1 GB. Free memory was 524.0 MB in the beginning and 522.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:28:37,109 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 90.2 MB. Free memory is still 70.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 420.63 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 52.6 MB in the beginning and 77.7 MB in the end (delta: -25.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.29 ms. Allocated memory is still 109.1 MB. Free memory was 77.7 MB in the beginning and 76.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.54 ms. Allocated memory is still 109.1 MB. Free memory was 76.2 MB in the beginning and 74.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 448.97 ms. Allocated memory is still 109.1 MB. Free memory was 74.6 MB in the beginning and 63.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 268045.12 ms. Allocated memory was 109.1 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 62.5 MB in the beginning and 524.0 MB in the end (delta: -461.4 MB). Peak memory consumption was 2.6 GB. Max. memory is 16.1 GB. * Witness Printer took 5.87 ms. Allocated memory is still 3.1 GB. Free memory was 524.0 MB in the beginning and 522.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 15 terminating modules (5 trivial, 6 deterministic, 4 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 8 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[z][z] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 7 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[z][z] and consists of 6 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 7 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 9 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[z][z] and consists of 6 locations. One nondeterministic module has 2-nested ranking function (if 2 * unknown-#memory_int-unknown[y][y] + 1 > 0 then 1 else 0), (if 2 * unknown-#memory_int-unknown[y][y] + 1 > 0 then 2 * unknown-#memory_int-unknown[y][y] + 1 else 2 * unknown-#memory_int-unknown[x][x]) and consists of 13 locations. 5 modules have a trivial ranking function, the largest among these consists of 18 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 268.0s and 16 iterations. TraceHistogramMax:4. Analysis of lassos took 145.2s. Construction of modules took 15.3s. Büchi inclusion checks took 107.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 14. Automata minimization 0.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 184 StatesRemovedByMinimization, 13 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 72 states and ocurred in iteration 9. Nontrivial modules had stage [6, 0, 4, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/5 HoareTripleCheckerStatistics: 55 SDtfs, 200 SDslu, 60 SDs, 0 SdLazy, 1206 SolverSat, 269 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 15.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU2 SILI0 SILT0 lasso10 LassoPreprocessingBenchmarks: Lassos: inital2360291 mio100 ax100 hnf100 lsp99 ukn5 mio100 lsp36 div100 bol102 ite100 ukn100 eq178 hnf89 smp94 dnf150 smp89 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 236ms VariablesStem: 7 VariablesLoop: 8 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 6 MotzkinApplications: 30 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:28:37,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:37,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Ended with exit code 0 [2021-10-28 09:28:37,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (97)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:37,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2021-10-28 09:28:37,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2021-10-28 09:28:38,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce21be8-d9f9-44c2-88dd-ccde34324df1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...