./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrcspn-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrcspn-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f64b3fe201853945f195ec183c791419b294b96abed6f2b53814faca3533a624 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:34:45,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:34:45,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:34:45,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:34:45,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:34:45,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:34:45,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:34:45,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:34:45,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:34:45,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:34:45,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:34:45,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:34:45,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:34:45,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:34:45,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:34:45,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:34:45,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:34:45,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:34:45,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:34:45,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:34:45,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:34:45,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:34:45,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:34:45,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:34:45,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:34:45,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:34:45,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:34:45,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:34:45,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:34:45,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:34:45,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:34:45,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:34:45,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:34:45,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:34:45,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:34:45,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:34:45,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:34:45,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:34:45,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:34:45,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:34:45,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:34:45,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-07 00:34:45,763 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:34:45,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:34:45,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:34:45,764 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:34:45,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:34:45,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:34:45,765 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:34:45,765 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-07 00:34:45,765 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-07 00:34:45,765 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-07 00:34:45,766 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-07 00:34:45,766 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-07 00:34:45,766 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-07 00:34:45,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:34:45,766 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 00:34:45,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:34:45,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:34:45,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-07 00:34:45,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-07 00:34:45,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-07 00:34:45,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:34:45,767 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-07 00:34:45,767 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:34:45,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-07 00:34:45,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:34:45,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:34:45,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:34:45,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:34:45,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:34:45,769 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-07 00:34:45,769 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_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f64b3fe201853945f195ec183c791419b294b96abed6f2b53814faca3533a624 [2021-12-07 00:34:45,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:34:45,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:34:45,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:34:45,964 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:34:45,964 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:34:45,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-memory-alloca/cstrcspn-alloca-2.i [2021-12-07 00:34:46,015 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/data/1255aca93/a8ab701cd23d484dbc8f22fdeb5a695b/FLAG6f7f4dd94 [2021-12-07 00:34:46,441 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:34:46,441 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/sv-benchmarks/c/termination-memory-alloca/cstrcspn-alloca-2.i [2021-12-07 00:34:46,451 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/data/1255aca93/a8ab701cd23d484dbc8f22fdeb5a695b/FLAG6f7f4dd94 [2021-12-07 00:34:46,460 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/data/1255aca93/a8ab701cd23d484dbc8f22fdeb5a695b [2021-12-07 00:34:46,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:34:46,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:34:46,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:34:46,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:34:46,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:34:46,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:34:46" (1/1) ... [2021-12-07 00:34:46,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@150f304e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:46, skipping insertion in model container [2021-12-07 00:34:46,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:34:46" (1/1) ... [2021-12-07 00:34:46,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:34:46,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:34:46,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:34:46,689 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:34:46,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:34:46,735 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:34:46,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:46 WrapperNode [2021-12-07 00:34:46,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:34:46,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:34:46,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:34:46,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:34:46,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:46" (1/1) ... [2021-12-07 00:34:46,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:46" (1/1) ... [2021-12-07 00:34:46,768 INFO L137 Inliner]: procedures = 111, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2021-12-07 00:34:46,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:34:46,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:34:46,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:34:46,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:34:46,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:46" (1/1) ... [2021-12-07 00:34:46,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:46" (1/1) ... [2021-12-07 00:34:46,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:46" (1/1) ... [2021-12-07 00:34:46,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:46" (1/1) ... [2021-12-07 00:34:46,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:46" (1/1) ... [2021-12-07 00:34:46,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:46" (1/1) ... [2021-12-07 00:34:46,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:46" (1/1) ... [2021-12-07 00:34:46,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:34:46,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:34:46,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:34:46,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:34:46,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:46" (1/1) ... [2021-12-07 00:34:46,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:46,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:46,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:46,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-07 00:34:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:34:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:34:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:34:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:34:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:34:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:34:46,919 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:34:46,920 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:34:47,010 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:34:47,014 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:34:47,014 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-07 00:34:47,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:34:47 BoogieIcfgContainer [2021-12-07 00:34:47,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:34:47,016 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-07 00:34:47,016 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-07 00:34:47,019 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-07 00:34:47,019 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:34:47,020 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:34:46" (1/3) ... [2021-12-07 00:34:47,020 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68a40238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:34:47, skipping insertion in model container [2021-12-07 00:34:47,020 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:34:47,020 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:46" (2/3) ... [2021-12-07 00:34:47,021 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68a40238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:34:47, skipping insertion in model container [2021-12-07 00:34:47,021 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:34:47,021 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:34:47" (3/3) ... [2021-12-07 00:34:47,022 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrcspn-alloca-2.i [2021-12-07 00:34:47,054 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-07 00:34:47,054 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-07 00:34:47,054 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-07 00:34:47,054 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-07 00:34:47,054 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-07 00:34:47,054 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-07 00:34:47,054 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-07 00:34:47,054 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-07 00:34:47,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:34:47,079 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-07 00:34:47,079 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:34:47,079 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:34:47,083 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-07 00:34:47,084 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-07 00:34:47,084 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-07 00:34:47,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:34:47,086 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-07 00:34:47,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:34:47,086 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:34:47,087 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-07 00:34:47,087 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-07 00:34:47,096 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 4#L565true assume !(main_~length1~0#1 < 1); 13#L565-2true assume !(main_~length2~0#1 < 1); 18#L568-1true call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem4#1, cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset, cstrcspn_#t~mem5#1, cstrcspn_#t~mem6#1, cstrcspn_#t~short7#1, cstrcspn_#t~mem9#1, cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 7#L552-4true [2021-12-07 00:34:47,096 INFO L793 eck$LassoCheckResult]: Loop: 7#L552-4true call cstrcspn_#t~mem3#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 12#L552-1true assume !!(0 != cstrcspn_#t~mem3#1);havoc cstrcspn_#t~mem3#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem4#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem4#1; 11#L555-5true assume !true; 14#L555-6true call cstrcspn_#t~mem9#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 17#L557true assume !(cstrcspn_#t~mem9#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem9#1; 6#L552-3true cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset; 7#L552-4true [2021-12-07 00:34:47,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:47,101 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-12-07 00:34:47,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:34:47,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353719883] [2021-12-07 00:34:47,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:34:47,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:34:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:47,198 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:34:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:47,231 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:34:47,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:47,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2021-12-07 00:34:47,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:34:47,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071058435] [2021-12-07 00:34:47,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:34:47,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:34:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:34:47,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:34:47,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:34:47,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071058435] [2021-12-07 00:34:47,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071058435] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:34:47,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:34:47,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:34:47,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056967429] [2021-12-07 00:34:47,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:34:47,277 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-07 00:34:47,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:34:47,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 00:34:47,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 00:34:47,307 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:34:47,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:34:47,312 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-12-07 00:34:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 00:34:47,318 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2021-12-07 00:34:47,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-07 00:34:47,323 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2021-12-07 00:34:47,324 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-12-07 00:34:47,324 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-12-07 00:34:47,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2021-12-07 00:34:47,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:34:47,325 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-12-07 00:34:47,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2021-12-07 00:34:47,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-12-07 00:34:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:34:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2021-12-07 00:34:47,350 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-12-07 00:34:47,350 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-12-07 00:34:47,350 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-07 00:34:47,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2021-12-07 00:34:47,351 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-07 00:34:47,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:34:47,351 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:34:47,352 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-07 00:34:47,352 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:34:47,352 INFO L791 eck$LassoCheckResult]: Stem: 48#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 49#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 44#L565 assume !(main_~length1~0#1 < 1); 45#L565-2 assume !(main_~length2~0#1 < 1); 56#L568-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem4#1, cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset, cstrcspn_#t~mem5#1, cstrcspn_#t~mem6#1, cstrcspn_#t~short7#1, cstrcspn_#t~mem9#1, cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 47#L552-4 [2021-12-07 00:34:47,353 INFO L793 eck$LassoCheckResult]: Loop: 47#L552-4 call cstrcspn_#t~mem3#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 53#L552-1 assume !!(0 != cstrcspn_#t~mem3#1);havoc cstrcspn_#t~mem3#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem4#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem4#1; 52#L555-5 call cstrcspn_#t~mem5#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := 0 != cstrcspn_#t~mem5#1; 54#L555-1 assume cstrcspn_#t~short7#1;call cstrcspn_#t~mem6#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := cstrcspn_#t~mem6#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 50#L555-3 assume !cstrcspn_#t~short7#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~mem6#1;havoc cstrcspn_#t~short7#1; 51#L555-6 call cstrcspn_#t~mem9#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 55#L557 assume !(cstrcspn_#t~mem9#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem9#1; 46#L552-3 cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset; 47#L552-4 [2021-12-07 00:34:47,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:47,354 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2021-12-07 00:34:47,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:34:47,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706931357] [2021-12-07 00:34:47,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:34:47,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:34:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:47,374 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:34:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:47,392 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:34:47,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:47,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2021-12-07 00:34:47,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:34:47,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159701149] [2021-12-07 00:34:47,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:34:47,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:34:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:47,405 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:34:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:47,415 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:34:47,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:47,416 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2021-12-07 00:34:47,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:34:47,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103179559] [2021-12-07 00:34:47,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:34:47,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:34:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:47,446 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:34:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:47,472 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:34:47,997 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:34:47,997 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:34:47,997 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:34:47,997 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:34:47,997 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:34:47,997 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:47,997 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:34:47,998 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:34:47,998 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-2.i_Iteration2_Lasso [2021-12-07 00:34:47,998 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:34:47,998 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:34:48,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:48,630 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:34:48,634 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:34:48,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:48,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:48,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:48,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-07 00:34:48,638 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 [2021-12-07 00:34:48,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:48,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:48,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:48,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:48,653 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:48,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:48,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:48,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-07 00:34:48,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:48,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:48,679 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:48,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-07 00:34:48,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:48,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:48,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:48,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:48,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:48,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:48,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:48,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:48,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:48,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-07 00:34:48,722 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:48,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:48,723 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:48,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-07 00:34:48,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:48,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:48,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:48,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:48,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:48,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:48,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:48,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:48,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-07 00:34:48,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:48,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:48,759 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:48,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-07 00:34:48,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:48,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:48,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:48,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:48,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:48,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:48,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:48,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:48,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:48,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-07 00:34:48,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:48,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:48,789 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:48,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-07 00:34:48,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:48,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:48,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:48,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:48,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:48,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:48,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:48,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:48,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:48,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-07 00:34:48,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:48,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:48,819 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:48,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-07 00:34:48,820 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 [2021-12-07 00:34:48,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:48,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:48,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:48,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:48,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:48,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:48,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:48,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:48,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-07 00:34:48,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:48,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:48,849 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:48,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-07 00:34:48,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:48,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:48,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:48,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:48,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:48,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:48,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:48,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:48,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-07 00:34:48,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:48,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:48,881 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:48,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-07 00:34:48,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:48,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:48,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:48,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:48,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:48,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:48,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:48,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:48,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:48,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-07 00:34:48,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:48,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:48,910 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:48,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-07 00:34:48,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:48,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:48,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:48,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:48,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:48,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:48,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:48,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:48,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:48,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-07 00:34:48,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:48,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:48,941 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:48,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-07 00:34:48,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:48,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:48,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:48,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:48,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:48,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:48,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:48,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:48,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:48,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-07 00:34:48,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:48,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:48,970 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:48,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-07 00:34:48,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:48,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:48,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:48,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:48,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:48,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:48,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:48,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:48,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:48,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-07 00:34:48,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:49,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:49,000 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:49,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-07 00:34:49,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:49,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:49,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:49,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:49,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:49,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:49,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:49,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:49,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:49,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-07 00:34:49,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:49,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:49,029 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:49,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-07 00:34:49,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:49,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:49,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:49,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:49,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:49,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:49,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:49,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:49,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-07 00:34:49,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:49,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:49,060 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:49,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-07 00:34:49,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:49,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:49,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:49,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:49,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:49,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:49,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:49,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:49,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:49,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-07 00:34:49,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:49,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:49,090 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:49,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-07 00:34:49,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:49,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:49,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:49,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:49,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:49,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:49,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:49,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:49,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:49,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-07 00:34:49,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:49,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:49,120 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:49,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-07 00:34:49,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:49,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:49,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:49,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:49,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:49,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:49,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:49,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:49,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:49,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-07 00:34:49,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:49,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:49,149 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:49,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-07 00:34:49,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:49,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:49,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:49,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:49,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:49,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:49,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:49,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:49,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:49,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-07 00:34:49,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:49,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:49,178 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:49,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-07 00:34:49,179 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 [2021-12-07 00:34:49,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:49,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:49,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:49,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:49,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:49,188 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:49,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:49,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:49,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-07 00:34:49,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:49,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:49,208 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:49,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-07 00:34:49,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:49,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:49,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:49,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:49,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:49,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:49,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:49,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:49,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-07 00:34:49,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:49,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:49,242 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:49,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-07 00:34:49,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:49,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:49,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:49,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:49,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:49,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:49,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:49,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:49,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:49,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-07 00:34:49,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:49,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:49,272 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:49,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-07 00:34:49,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:49,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:49,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:49,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:49,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:49,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:49,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:49,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:49,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-07 00:34:49,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:49,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:49,308 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:49,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-07 00:34:49,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:49,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:49,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:49,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:49,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:49,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:49,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:49,330 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 00:34:49,340 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-07 00:34:49,340 INFO L444 ModelExtractionUtils]: 24 out of 28 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-07 00:34:49,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:49,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:49,346 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:49,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-07 00:34:49,347 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 00:34:49,357 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-07 00:34:49,358 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 00:34:49,358 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~sc1~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_1) = -1*ULTIMATE.start_cstrcspn_~sc1~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_1 Supporting invariants [] [2021-12-07 00:34:49,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-07 00:34:49,402 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-12-07 00:34:49,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:34:49,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 00:34:49,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:34:49,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-07 00:34:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:34:49,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 00:34:49,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:34:49,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:34:49,540 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-07 00:34:49,541 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:34:49,592 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 4 states. [2021-12-07 00:34:49,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-07 00:34:49,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:34:49,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2021-12-07 00:34:49,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2021-12-07 00:34:49,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:34:49,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2021-12-07 00:34:49,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:34:49,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2021-12-07 00:34:49,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:34:49,597 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2021-12-07 00:34:49,598 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:34:49,599 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2021-12-07 00:34:49,599 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-07 00:34:49,599 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-07 00:34:49,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-12-07 00:34:49,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 00:34:49,599 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-12-07 00:34:49,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-12-07 00:34:49,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-12-07 00:34:49,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:34:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-12-07 00:34:49,602 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-12-07 00:34:49,602 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-12-07 00:34:49,602 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-07 00:34:49,602 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-12-07 00:34:49,603 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:34:49,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:34:49,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:34:49,603 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:34:49,603 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:34:49,603 INFO L791 eck$LassoCheckResult]: Stem: 182#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 183#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 178#L565 assume !(main_~length1~0#1 < 1); 179#L565-2 assume !(main_~length2~0#1 < 1); 195#L568-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem4#1, cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset, cstrcspn_#t~mem5#1, cstrcspn_#t~mem6#1, cstrcspn_#t~short7#1, cstrcspn_#t~mem9#1, cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 189#L552-4 call cstrcspn_#t~mem3#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 191#L552-1 assume !!(0 != cstrcspn_#t~mem3#1);havoc cstrcspn_#t~mem3#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem4#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem4#1; 185#L555-5 [2021-12-07 00:34:49,604 INFO L793 eck$LassoCheckResult]: Loop: 185#L555-5 call cstrcspn_#t~mem5#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := 0 != cstrcspn_#t~mem5#1; 192#L555-1 assume cstrcspn_#t~short7#1;call cstrcspn_#t~mem6#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := cstrcspn_#t~mem6#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 184#L555-3 assume !!cstrcspn_#t~short7#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~mem6#1;havoc cstrcspn_#t~short7#1;cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post8#1.base, 1 + cstrcspn_#t~post8#1.offset;havoc cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset; 185#L555-5 [2021-12-07 00:34:49,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:49,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2021-12-07 00:34:49,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:34:49,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526532005] [2021-12-07 00:34:49,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:34:49,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:34:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:49,623 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:34:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:49,643 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:34:49,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:49,644 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2021-12-07 00:34:49,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:34:49,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910901383] [2021-12-07 00:34:49,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:34:49,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:34:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:49,651 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:34:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:49,657 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:34:49,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:49,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2021-12-07 00:34:49,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:34:49,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987334206] [2021-12-07 00:34:49,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:34:49,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:34:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:49,674 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:34:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:49,691 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:34:50,174 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:34:50,174 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:34:50,174 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:34:50,174 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:34:50,174 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:34:50,174 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:50,174 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:34:50,174 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:34:50,174 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-2.i_Iteration3_Lasso [2021-12-07 00:34:50,174 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:34:50,174 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:34:50,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:50,785 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:34:50,785 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:34:50,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:50,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:50,785 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:50,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-07 00:34:50,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:50,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:50,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:50,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:50,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:50,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:50,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:50,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:50,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-07 00:34:50,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:50,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:50,816 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:50,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-07 00:34:50,818 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 [2021-12-07 00:34:50,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:50,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:50,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:50,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:50,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:50,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:50,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:50,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:50,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-07 00:34:50,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:50,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:50,846 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:50,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-07 00:34:50,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:50,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:50,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:50,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:50,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:50,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:50,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:50,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:50,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-07 00:34:50,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:50,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:50,892 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:50,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-07 00:34:50,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:50,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:50,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:50,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:50,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:50,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:50,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:50,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:50,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:50,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-07 00:34:50,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:50,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:50,921 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:50,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-07 00:34:50,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:50,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:50,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:50,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:50,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:50,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:50,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:50,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:50,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:50,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-07 00:34:50,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:50,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:50,952 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:50,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-07 00:34:50,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:50,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:50,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:50,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:50,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:50,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:50,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:50,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:50,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:50,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-07 00:34:50,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:50,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:50,981 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:50,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-07 00:34:50,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:50,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:50,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:50,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:50,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:50,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:50,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:50,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:51,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-07 00:34:51,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:51,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:51,017 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:51,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-07 00:34:51,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:51,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:51,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:51,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:51,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:51,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:51,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:51,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:51,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:51,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-07 00:34:51,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:51,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:51,047 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:51,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-07 00:34:51,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:51,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:51,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:51,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:51,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:51,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:51,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:51,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:51,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-07 00:34:51,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:51,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:51,080 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:51,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-07 00:34:51,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:51,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:51,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:51,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:51,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:51,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:51,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:51,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:51,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-07 00:34:51,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:51,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:51,114 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:51,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-07 00:34:51,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:51,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:51,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:51,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:51,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:51,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:51,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:51,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:51,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-07 00:34:51,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:51,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:51,144 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:51,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-07 00:34:51,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:51,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:51,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:51,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:51,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:51,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:51,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:51,176 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 00:34:51,221 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2021-12-07 00:34:51,221 INFO L444 ModelExtractionUtils]: 12 out of 49 variables were initially zero. Simplification set additionally 32 variables to zero. [2021-12-07 00:34:51,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:51,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:51,222 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:51,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-07 00:34:51,223 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 00:34:51,232 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-07 00:34:51,232 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 00:34:51,232 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~s~0#1.offset, ULTIMATE.start_main_~length2~0#1) = -1*ULTIMATE.start_cstrcspn_~s~0#1.offset + 1*ULTIMATE.start_main_~length2~0#1 Supporting invariants [1*ULTIMATE.start_main_~length2~0#1 - 1*v_rep(select #length ULTIMATE.start_cstrcspn_~s~0#1.base)_2 >= 0] [2021-12-07 00:34:51,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-07 00:34:51,288 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2021-12-07 00:34:51,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:34:51,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-07 00:34:51,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:34:51,361 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 00:34:51,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-12-07 00:34:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:34:51,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-07 00:34:51,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:34:51,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:34:51,405 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-07 00:34:51,405 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:34:51,440 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 6 states. [2021-12-07 00:34:51,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-07 00:34:51,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:34:51,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-12-07 00:34:51,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2021-12-07 00:34:51,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:34:51,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2021-12-07 00:34:51,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:34:51,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2021-12-07 00:34:51,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:34:51,442 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2021-12-07 00:34:51,444 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:34:51,445 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2021-12-07 00:34:51,445 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-07 00:34:51,445 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-07 00:34:51,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2021-12-07 00:34:51,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 00:34:51,445 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-12-07 00:34:51,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2021-12-07 00:34:51,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-12-07 00:34:51,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:34:51,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2021-12-07 00:34:51,448 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-12-07 00:34:51,448 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-12-07 00:34:51,448 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-07 00:34:51,448 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2021-12-07 00:34:51,449 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:34:51,449 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:34:51,449 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:34:51,450 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:34:51,450 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:34:51,450 INFO L791 eck$LassoCheckResult]: Stem: 366#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 367#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 362#L565 assume !(main_~length1~0#1 < 1); 363#L565-2 assume !(main_~length2~0#1 < 1); 380#L568-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem4#1, cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset, cstrcspn_#t~mem5#1, cstrcspn_#t~mem6#1, cstrcspn_#t~short7#1, cstrcspn_#t~mem9#1, cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 372#L552-4 call cstrcspn_#t~mem3#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 373#L552-1 assume !!(0 != cstrcspn_#t~mem3#1);havoc cstrcspn_#t~mem3#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem4#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem4#1; 383#L555-5 call cstrcspn_#t~mem5#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := 0 != cstrcspn_#t~mem5#1; 381#L555-1 assume !cstrcspn_#t~short7#1; 370#L555-3 assume !cstrcspn_#t~short7#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~mem6#1;havoc cstrcspn_#t~short7#1; 371#L555-6 call cstrcspn_#t~mem9#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 379#L557 assume !(cstrcspn_#t~mem9#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem9#1; 364#L552-3 cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset; 365#L552-4 call cstrcspn_#t~mem3#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 375#L552-1 assume !!(0 != cstrcspn_#t~mem3#1);havoc cstrcspn_#t~mem3#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem4#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem4#1; 369#L555-5 [2021-12-07 00:34:51,450 INFO L793 eck$LassoCheckResult]: Loop: 369#L555-5 call cstrcspn_#t~mem5#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := 0 != cstrcspn_#t~mem5#1; 376#L555-1 assume cstrcspn_#t~short7#1;call cstrcspn_#t~mem6#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := cstrcspn_#t~mem6#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 368#L555-3 assume !!cstrcspn_#t~short7#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~mem6#1;havoc cstrcspn_#t~short7#1;cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post8#1.base, 1 + cstrcspn_#t~post8#1.offset;havoc cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset; 369#L555-5 [2021-12-07 00:34:51,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:51,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2021-12-07 00:34:51,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:34:51,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332520139] [2021-12-07 00:34:51,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:34:51,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:34:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:51,469 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:34:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:51,488 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:34:51,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:51,489 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2021-12-07 00:34:51,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:34:51,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771379582] [2021-12-07 00:34:51,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:34:51,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:34:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:51,494 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:34:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:51,500 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:34:51,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:51,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1999924968, now seen corresponding path program 1 times [2021-12-07 00:34:51,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:34:51,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604144446] [2021-12-07 00:34:51,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:34:51,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:34:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:34:51,567 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:34:51,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:34:51,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604144446] [2021-12-07 00:34:51,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604144446] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:34:51,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748750592] [2021-12-07 00:34:51,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:34:51,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:34:51,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:51,568 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:34:51,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2021-12-07 00:34:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:34:51,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-07 00:34:51,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:34:51,643 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-07 00:34:51,643 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 9 treesize of output 15 [2021-12-07 00:34:51,686 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:34:51,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:34:51,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-07 00:34:51,734 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:34:51,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748750592] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:34:51,735 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 00:34:51,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 11 [2021-12-07 00:34:51,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249818210] [2021-12-07 00:34:51,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 00:34:51,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:34:51,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 00:34:51,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-12-07 00:34:51,806 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:34:51,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:34:51,889 INFO L93 Difference]: Finished difference Result 59 states and 72 transitions. [2021-12-07 00:34:51,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:34:51,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 72 transitions. [2021-12-07 00:34:51,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:34:51,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 43 states and 53 transitions. [2021-12-07 00:34:51,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-07 00:34:51,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-12-07 00:34:51,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 53 transitions. [2021-12-07 00:34:51,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 00:34:51,893 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2021-12-07 00:34:51,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 53 transitions. [2021-12-07 00:34:51,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 28. [2021-12-07 00:34:51,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:34:51,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2021-12-07 00:34:51,896 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-12-07 00:34:51,896 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-12-07 00:34:51,896 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-07 00:34:51,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2021-12-07 00:34:51,897 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:34:51,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:34:51,897 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:34:51,897 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:34:51,897 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:34:51,898 INFO L791 eck$LassoCheckResult]: Stem: 571#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 572#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 567#L565 assume !(main_~length1~0#1 < 1); 568#L565-2 assume !(main_~length2~0#1 < 1); 587#L568-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem4#1, cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset, cstrcspn_#t~mem5#1, cstrcspn_#t~mem6#1, cstrcspn_#t~short7#1, cstrcspn_#t~mem9#1, cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 577#L552-4 call cstrcspn_#t~mem3#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 578#L552-1 assume !!(0 != cstrcspn_#t~mem3#1);havoc cstrcspn_#t~mem3#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem4#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem4#1; 593#L555-5 call cstrcspn_#t~mem5#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := 0 != cstrcspn_#t~mem5#1; 588#L555-1 assume cstrcspn_#t~short7#1;call cstrcspn_#t~mem6#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := cstrcspn_#t~mem6#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 589#L555-3 assume !cstrcspn_#t~short7#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~mem6#1;havoc cstrcspn_#t~short7#1; 585#L555-6 call cstrcspn_#t~mem9#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 586#L557 assume !(cstrcspn_#t~mem9#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem9#1; 569#L552-3 cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset; 570#L552-4 call cstrcspn_#t~mem3#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 580#L552-1 assume !!(0 != cstrcspn_#t~mem3#1);havoc cstrcspn_#t~mem3#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem4#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem4#1; 574#L555-5 [2021-12-07 00:34:51,898 INFO L793 eck$LassoCheckResult]: Loop: 574#L555-5 call cstrcspn_#t~mem5#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := 0 != cstrcspn_#t~mem5#1; 581#L555-1 assume cstrcspn_#t~short7#1;call cstrcspn_#t~mem6#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := cstrcspn_#t~mem6#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 573#L555-3 assume !!cstrcspn_#t~short7#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~mem6#1;havoc cstrcspn_#t~short7#1;cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post8#1.base, 1 + cstrcspn_#t~post8#1.offset;havoc cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset; 574#L555-5 [2021-12-07 00:34:51,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:51,898 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2021-12-07 00:34:51,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:34:51,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409568426] [2021-12-07 00:34:51,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:34:51,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:34:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:51,916 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:34:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:51,935 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:34:51,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:51,936 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2021-12-07 00:34:51,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:34:51,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577663750] [2021-12-07 00:34:51,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:34:51,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:34:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:51,941 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:34:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:51,946 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:34:51,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:51,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2021-12-07 00:34:51,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:34:51,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189477571] [2021-12-07 00:34:51,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:34:51,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:34:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:51,967 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:34:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:34:51,988 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:34:52,941 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:34:52,941 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:34:52,941 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:34:52,941 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:34:52,942 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:34:52,942 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:52,942 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:34:52,942 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:34:52,942 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-2.i_Iteration5_Lasso [2021-12-07 00:34:52,942 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:34:52,942 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:34:52,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:52,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:52,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:52,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:52,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:52,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:52,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:52,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:52,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:52,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:53,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:53,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:53,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:53,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:53,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:53,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:53,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:53,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:53,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:53,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:53,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:53,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:53,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:34:54,383 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:34:54,383 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:34:54,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:54,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:54,384 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:54,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-07 00:34:54,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:54,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:54,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:54,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:54,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:54,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:54,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:54,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:54,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:54,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-07 00:34:54,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:54,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:54,415 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:54,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-07 00:34:54,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:54,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:54,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:54,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:54,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:54,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:54,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:54,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:54,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:54,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-07 00:34:54,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:54,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:54,444 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:54,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-07 00:34:54,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:54,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:54,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:54,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:54,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:54,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:54,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:54,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:54,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:54,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-07 00:34:54,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:54,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:54,473 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:54,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-07 00:34:54,474 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 [2021-12-07 00:34:54,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:54,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:54,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:54,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:54,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:54,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:54,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:54,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:54,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-07 00:34:54,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:54,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:54,501 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:54,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-07 00:34:54,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:54,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:54,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:54,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:54,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:54,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:54,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:54,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:54,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-07 00:34:54,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:54,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:54,531 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:54,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-07 00:34:54,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:54,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:54,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:54,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:54,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:54,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:54,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:54,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:54,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:54,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-12-07 00:34:54,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:54,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:54,561 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:54,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-07 00:34:54,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:54,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:54,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:54,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:54,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:54,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:54,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:54,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:54,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:54,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-12-07 00:34:54,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:54,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:54,589 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:54,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-07 00:34:54,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:54,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:54,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:54,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:54,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:54,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:54,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:54,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:54,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-07 00:34:54,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:54,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:54,620 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:54,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-07 00:34:54,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:54,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:54,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:34:54,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:54,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:54,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:54,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:34:54,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:34:54,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:54,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-07 00:34:54,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:54,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:54,649 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:54,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-07 00:34:54,650 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 [2021-12-07 00:34:54,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:54,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:54,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:54,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:54,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:54,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:54,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:54,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-07 00:34:54,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:54,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:54,679 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:54,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-07 00:34:54,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:54,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:54,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:54,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:54,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:54,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:54,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:54,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:54,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-07 00:34:54,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:54,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:54,721 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:54,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-07 00:34:54,723 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 [2021-12-07 00:34:54,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:54,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:54,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:54,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:54,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:54,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:54,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:54,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-07 00:34:54,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:54,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:54,754 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:54,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-07 00:34:54,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:54,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:54,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:54,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:54,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:54,765 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:54,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:54,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:34:54,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-07 00:34:54,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:54,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:54,788 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:54,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-07 00:34:54,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:34:54,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:34:54,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:34:54,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:34:54,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:34:54,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:34:54,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:34:54,818 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 00:34:54,853 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2021-12-07 00:34:54,853 INFO L444 ModelExtractionUtils]: 23 out of 52 variables were initially zero. Simplification set additionally 26 variables to zero. [2021-12-07 00:34:54,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:34:54,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:34:54,855 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:34:54,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-07 00:34:54,855 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 00:34:54,865 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-07 00:34:54,865 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 00:34:54,865 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcspn_~s2#1.base)_1, ULTIMATE.start_cstrcspn_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcspn_~s2#1.base)_1 - 1*ULTIMATE.start_cstrcspn_~s~0#1.offset Supporting invariants [] [2021-12-07 00:34:54,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-07 00:34:54,975 INFO L297 tatePredicateManager]: 28 out of 30 supporting invariants were superfluous and have been removed [2021-12-07 00:34:54,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:34:55,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 00:34:55,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:34:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:34:55,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 00:34:55,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:34:55,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-07 00:34:55,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:34:55,069 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-07 00:34:55,069 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:34:55,091 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 58 transitions. Complement of second has 6 states. [2021-12-07 00:34:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-07 00:34:55,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:34:55,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-12-07 00:34:55,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-12-07 00:34:55,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:34:55,092 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-07 00:34:55,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:34:55,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 00:34:55,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:34:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:34:55,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 00:34:55,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:34:55,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:34:55,171 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-07 00:34:55,171 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:34:55,191 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 58 transitions. Complement of second has 6 states. [2021-12-07 00:34:55,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-07 00:34:55,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:34:55,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-12-07 00:34:55,192 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-12-07 00:34:55,192 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:34:55,192 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-07 00:34:55,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:34:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:34:55,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 00:34:55,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:34:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:34:55,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 00:34:55,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:34:55,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:34:55,273 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 2 loop predicates [2021-12-07 00:34:55,273 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:34:55,297 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 60 transitions. Complement of second has 5 states. [2021-12-07 00:34:55,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-07 00:34:55,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:34:55,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-12-07 00:34:55,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2021-12-07 00:34:55,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:34:55,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2021-12-07 00:34:55,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:34:55,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2021-12-07 00:34:55,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:34:55,299 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 60 transitions. [2021-12-07 00:34:55,301 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 00:34:55,301 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 0 states and 0 transitions. [2021-12-07 00:34:55,301 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-07 00:34:55,301 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-07 00:34:55,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-07 00:34:55,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:34:55,301 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:34:55,301 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:34:55,301 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:34:55,301 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-07 00:34:55,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-07 00:34:55,301 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 00:34:55,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-07 00:34:55,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 12:34:55 BoogieIcfgContainer [2021-12-07 00:34:55,306 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-07 00:34:55,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:34:55,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:34:55,306 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:34:55,306 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:34:47" (3/4) ... [2021-12-07 00:34:55,308 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 00:34:55,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:34:55,309 INFO L158 Benchmark]: Toolchain (without parser) took 8845.95ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 60.6MB in the beginning and 41.5MB in the end (delta: 19.1MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2021-12-07 00:34:55,309 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 94.4MB. Free memory was 48.1MB in the beginning and 48.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:34:55,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.05ms. Allocated memory is still 94.4MB. Free memory was 60.5MB in the beginning and 64.9MB in the end (delta: -4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 00:34:55,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.81ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 62.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:34:55,310 INFO L158 Benchmark]: Boogie Preprocessor took 21.37ms. Allocated memory is still 94.4MB. Free memory was 62.8MB in the beginning and 61.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:34:55,310 INFO L158 Benchmark]: RCFGBuilder took 225.17ms. Allocated memory is still 94.4MB. Free memory was 61.4MB in the beginning and 50.2MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-07 00:34:55,310 INFO L158 Benchmark]: BuchiAutomizer took 8289.26ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 49.9MB in the beginning and 42.5MB in the end (delta: 7.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-07 00:34:55,310 INFO L158 Benchmark]: Witness Printer took 2.30ms. Allocated memory is still 113.2MB. Free memory was 42.5MB in the beginning and 41.5MB in the end (delta: 959.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:34:55,312 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 94.4MB. Free memory was 48.1MB in the beginning and 48.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.05ms. Allocated memory is still 94.4MB. Free memory was 60.5MB in the beginning and 64.9MB in the end (delta: -4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.81ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 62.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.37ms. Allocated memory is still 94.4MB. Free memory was 62.8MB in the beginning and 61.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 225.17ms. Allocated memory is still 94.4MB. Free memory was 61.4MB in the beginning and 50.2MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 8289.26ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 49.9MB in the beginning and 42.5MB in the end (delta: 7.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 2.30ms. Allocated memory is still 113.2MB. Free memory was 42.5MB in the beginning and 41.5MB in the end (delta: 959.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * sc1 + unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] and consists of 3 locations. One deterministic module has affine ranking function -1 * s + length2 and consists of 4 locations. One nondeterministic module has affine ranking function -1 * s + unknown-#length-unknown[s2] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.2s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 7.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 28 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 217 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 113 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 167 IncrementalHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 104 mSDtfsCounter, 167 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital267 mio100 ax106 hnf100 lsp99 ukn85 mio100 lsp32 div129 bol100 ite100 ukn100 eq166 hnf78 smp87 dnf1056 smp24 tf100 neg94 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-07 00:34:55,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2021-12-07 00:34:55,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e0775b-ecb7-4ce3-ae7c-099cfff1eb37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE