./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strtok_r.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strtok_r.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF --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 768358a1bcdb56fc885a8df113baa43d689898e0e32c0ab06e790a868148d36d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:21:46,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:21:46,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:21:46,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:21:46,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:21:46,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:21:46,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:21:46,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:21:46,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:21:46,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:21:46,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:21:46,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:21:46,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:21:46,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:21:46,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:21:46,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:21:46,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:21:46,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:21:46,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:21:46,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:21:46,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:21:46,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:21:46,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:21:46,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:21:46,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:21:46,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:21:46,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:21:46,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:21:46,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:21:46,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:21:46,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:21:46,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:21:46,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:21:46,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:21:46,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:21:46,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:21:46,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:21:46,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:21:46,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:21:46,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:21:46,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:21:46,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 07:21:47,024 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:21:47,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:21:47,025 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:21:47,025 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:21:47,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:21:47,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:21:47,027 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:21:47,027 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 07:21:47,027 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 07:21:47,027 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 07:21:47,027 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 07:21:47,028 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 07:21:47,028 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 07:21:47,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:21:47,028 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:21:47,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:21:47,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:21:47,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 07:21:47,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 07:21:47,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 07:21:47,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:21:47,030 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 07:21:47,030 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:21:47,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 07:21:47,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:21:47,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:21:47,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:21:47,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:21:47,031 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:21:47,032 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 07:21:47,033 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_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 768358a1bcdb56fc885a8df113baa43d689898e0e32c0ab06e790a868148d36d [2021-11-20 07:21:47,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:21:47,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:21:47,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:21:47,360 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:21:47,360 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:21:47,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-dietlibc/strtok_r.i [2021-11-20 07:21:47,435 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/data/8d167470c/6e83ae9b58b9431c8ce448f49417460d/FLAG9e8564b31 [2021-11-20 07:21:47,993 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:21:47,994 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/sv-benchmarks/c/termination-dietlibc/strtok_r.i [2021-11-20 07:21:48,028 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/data/8d167470c/6e83ae9b58b9431c8ce448f49417460d/FLAG9e8564b31 [2021-11-20 07:21:48,272 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/data/8d167470c/6e83ae9b58b9431c8ce448f49417460d [2021-11-20 07:21:48,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:21:48,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:21:48,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:21:48,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:21:48,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:21:48,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:21:48" (1/1) ... [2021-11-20 07:21:48,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12842732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:48, skipping insertion in model container [2021-11-20 07:21:48,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:21:48" (1/1) ... [2021-11-20 07:21:48,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:21:48,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:21:48,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:21:48,661 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:21:48,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:21:48,746 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:21:48,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:48 WrapperNode [2021-11-20 07:21:48,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:21:48,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:21:48,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:21:48,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:21:48,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:48" (1/1) ... [2021-11-20 07:21:48,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:48" (1/1) ... [2021-11-20 07:21:48,807 INFO L137 Inliner]: procedures = 118, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 155 [2021-11-20 07:21:48,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:21:48,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:21:48,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:21:48,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:21:48,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:48" (1/1) ... [2021-11-20 07:21:48,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:48" (1/1) ... [2021-11-20 07:21:48,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:48" (1/1) ... [2021-11-20 07:21:48,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:48" (1/1) ... [2021-11-20 07:21:48,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:48" (1/1) ... [2021-11-20 07:21:48,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:48" (1/1) ... [2021-11-20 07:21:48,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:48" (1/1) ... [2021-11-20 07:21:48,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:21:48,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:21:48,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:21:48,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:21:48,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:48" (1/1) ... [2021-11-20 07:21:48,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:48,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:48,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:48,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 07:21:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:21:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:21:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:21:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:21:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:21:48,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:21:48,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:21:48,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:21:48,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:21:49,112 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:21:49,114 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:21:49,445 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:21:49,452 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:21:49,453 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-20 07:21:49,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:21:49 BoogieIcfgContainer [2021-11-20 07:21:49,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:21:49,456 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 07:21:49,456 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 07:21:49,459 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 07:21:49,460 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:21:49,461 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:21:48" (1/3) ... [2021-11-20 07:21:49,462 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34058c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:21:49, skipping insertion in model container [2021-11-20 07:21:49,462 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:21:49,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:48" (2/3) ... [2021-11-20 07:21:49,463 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34058c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:21:49, skipping insertion in model container [2021-11-20 07:21:49,463 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:21:49,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:21:49" (3/3) ... [2021-11-20 07:21:49,465 INFO L388 chiAutomizerObserver]: Analyzing ICFG strtok_r.i [2021-11-20 07:21:49,511 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 07:21:49,511 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 07:21:49,511 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 07:21:49,511 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 07:21:49,512 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 07:21:49,512 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 07:21:49,512 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 07:21:49,512 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 07:21:49,528 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 34 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 33 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:49,550 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-11-20 07:21:49,550 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:21:49,550 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:21:49,557 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-20 07:21:49,557 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-20 07:21:49,557 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 07:21:49,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 34 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 33 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:49,561 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-11-20 07:21:49,561 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:21:49,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:21:49,562 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-20 07:21:49,562 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-20 07:21:49,570 INFO L791 eck$LassoCheckResult]: Stem: 22#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 8#L544true assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 30#L548true assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 26#L532true assume strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0;call strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset := read~$Pointer$(strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, 8);strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset; 23#L532-2true assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 10#L510-4true [2021-11-20 07:21:49,571 INFO L793 eck$LassoCheckResult]: Loop: 10#L510-4true call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 31#L510-1true assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 7#L511-6true assume !true; 27#L511-7true call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 17#L512true assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 16#L510-3true strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 10#L510-4true [2021-11-20 07:21:49,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:49,578 INFO L85 PathProgramCache]: Analyzing trace with hash 889571276, now seen corresponding path program 1 times [2021-11-20 07:21:49,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:49,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804777313] [2021-11-20 07:21:49,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:49,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:49,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:21:49,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:49,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804777313] [2021-11-20 07:21:49,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804777313] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:21:49,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:21:49,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:21:49,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432118552] [2021-11-20 07:21:49,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:21:49,789 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 07:21:49,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:49,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1573281738, now seen corresponding path program 1 times [2021-11-20 07:21:49,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:49,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947807266] [2021-11-20 07:21:49,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:49,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:49,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:21:49,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:49,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947807266] [2021-11-20 07:21:49,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947807266] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:21:49,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:21:49,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:21:49,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831437033] [2021-11-20 07:21:49,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:21:49,809 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-20 07:21:49,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:21:49,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:21:49,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:21:49,843 INFO L87 Difference]: Start difference. First operand has 34 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 33 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2021-11-20 07:21:49,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:21:49,852 INFO L93 Difference]: Finished difference Result 34 states and 45 transitions. [2021-11-20 07:21:49,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:21:49,857 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 45 transitions. [2021-11-20 07:21:49,860 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-11-20 07:21:49,864 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 26 states and 32 transitions. [2021-11-20 07:21:49,865 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-11-20 07:21:49,866 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2021-11-20 07:21:49,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2021-11-20 07:21:49,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:21:49,867 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-11-20 07:21:49,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2021-11-20 07:21:49,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-20 07:21:49,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 25 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:49,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2021-11-20 07:21:49,894 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-11-20 07:21:49,895 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-11-20 07:21:49,895 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 07:21:49,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 32 transitions. [2021-11-20 07:21:49,896 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-11-20 07:21:49,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:21:49,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:21:49,897 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-20 07:21:49,897 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:21:49,897 INFO L791 eck$LassoCheckResult]: Stem: 99#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 86#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 84#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 85#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 101#L532 assume strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0;call strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset := read~$Pointer$(strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, 8);strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset; 100#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 87#L510-4 [2021-11-20 07:21:49,898 INFO L793 eck$LassoCheckResult]: Loop: 87#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 88#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 82#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 83#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 103#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 102#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 94#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 93#L510-3 strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 87#L510-4 [2021-11-20 07:21:49,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:49,899 INFO L85 PathProgramCache]: Analyzing trace with hash 889571276, now seen corresponding path program 2 times [2021-11-20 07:21:49,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:49,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785258841] [2021-11-20 07:21:49,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:49,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:49,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:21:49,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:49,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785258841] [2021-11-20 07:21:49,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785258841] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:21:49,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:21:49,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:21:49,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316713793] [2021-11-20 07:21:49,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:21:49,960 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 07:21:49,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:49,961 INFO L85 PathProgramCache]: Analyzing trace with hash -347496813, now seen corresponding path program 1 times [2021-11-20 07:21:49,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:49,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712264200] [2021-11-20 07:21:49,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:49,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:21:49,979 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:21:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:21:50,030 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:21:50,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:21:50,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:21:50,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:21:50,359 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:50,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:21:50,395 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2021-11-20 07:21:50,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:21:50,396 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2021-11-20 07:21:50,402 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-11-20 07:21:50,406 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 31 transitions. [2021-11-20 07:21:50,407 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-11-20 07:21:50,408 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2021-11-20 07:21:50,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 31 transitions. [2021-11-20 07:21:50,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:21:50,409 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-11-20 07:21:50,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 31 transitions. [2021-11-20 07:21:50,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-20 07:21:50,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 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) [2021-11-20 07:21:50,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2021-11-20 07:21:50,414 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-11-20 07:21:50,414 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-11-20 07:21:50,414 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 07:21:50,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 31 transitions. [2021-11-20 07:21:50,416 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-11-20 07:21:50,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:21:50,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:21:50,417 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-20 07:21:50,417 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:21:50,418 INFO L791 eck$LassoCheckResult]: Stem: 160#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 147#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 145#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 146#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 162#L532 assume !(strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0); 161#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 148#L510-4 [2021-11-20 07:21:50,419 INFO L793 eck$LassoCheckResult]: Loop: 148#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 149#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 143#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 144#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 164#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 163#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 155#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 154#L510-3 strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 148#L510-4 [2021-11-20 07:21:50,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:50,420 INFO L85 PathProgramCache]: Analyzing trace with hash 889571338, now seen corresponding path program 1 times [2021-11-20 07:21:50,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:50,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952291199] [2021-11-20 07:21:50,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:50,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:21:50,472 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:21:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:21:50,503 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:21:50,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:50,504 INFO L85 PathProgramCache]: Analyzing trace with hash -347496813, now seen corresponding path program 2 times [2021-11-20 07:21:50,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:50,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931296962] [2021-11-20 07:21:50,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:50,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:21:50,513 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:21:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:21:50,523 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:21:50,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:50,524 INFO L85 PathProgramCache]: Analyzing trace with hash -126923364, now seen corresponding path program 1 times [2021-11-20 07:21:50,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:50,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062836135] [2021-11-20 07:21:50,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:50,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:21:50,555 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:21:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:21:50,591 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:21:52,276 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:21:52,277 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:21:52,277 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:21:52,277 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:21:52,277 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:21:52,277 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:52,277 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:21:52,278 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:21:52,278 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration3_Lasso [2021-11-20 07:21:52,278 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:21:52,278 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:21:52,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:52,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:21:53,455 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:21:53,459 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:21:53,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:53,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:53,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:53,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 07:21:53,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:53,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:53,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:53,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:53,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:53,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:53,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:53,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:53,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:53,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:53,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:53,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:53,547 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:53,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 07:21:53,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:53,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:53,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:53,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:53,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:53,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:53,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:53,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:53,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:53,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:53,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:53,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:53,599 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:53,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 07:21:53,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:53,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:53,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:53,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:53,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:53,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:53,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:53,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:53,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:53,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-11-20 07:21:53,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:53,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:53,675 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:53,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 07:21:53,680 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 [2021-11-20 07:21:53,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:53,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:53,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:53,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:53,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:53,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:53,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:53,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:53,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-20 07:21:53,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:53,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:53,728 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:53,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 07:21:53,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:53,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:53,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:53,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:53,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:53,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:53,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:53,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:53,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:53,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:53,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:53,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:53,782 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:53,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 07:21:53,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:53,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:53,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:53,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:53,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:53,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:53,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:53,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:53,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:53,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-20 07:21:53,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:53,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:53,822 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:53,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 07:21:53,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:53,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:53,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:53,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:53,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:53,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:53,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:53,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:53,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:53,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-20 07:21:53,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:53,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:53,861 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:53,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 07:21:53,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:53,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:53,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:53,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:53,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:53,873 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:21:53,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:21:53,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:53,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:53,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:53,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:53,939 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:53,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:53,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 07:21:53,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:53,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:53,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:53,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:53,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:53,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:53,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:53,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:53,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:53,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:53,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:53,977 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:53,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 07:21:53,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:53,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:53,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:53,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:53,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:21:54,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:21:54,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:54,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,039 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 07:21:54,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:54,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:54,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:54,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:54,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,108 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 07:21:54,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:54,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:54,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:54,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:54,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,154 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 07:21:54,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:54,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:54,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:54,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-11-20 07:21:54,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,185 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 07:21:54,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:54,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:54,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:54,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:54,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,219 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 07:21:54,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:54,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:54,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:54,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:54,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,259 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 07:21:54,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:54,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:54,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:54,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:54,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,294 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 07:21:54,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:54,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:54,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:54,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-11-20 07:21:54,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,329 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 07:21:54,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:54,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:54,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:54,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:54,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,366 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 07:21:54,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:54,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:54,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:54,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:54,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,403 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 07:21:54,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:21:54,418 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:21:54,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:54,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,445 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 07:21:54,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:21:54,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:21:54,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-11-20 07:21:54,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,483 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 07:21:54,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:21:54,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:21:54,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:54,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,571 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:21:54,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:21:54,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 07:21:54,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:54,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,643 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 07:21:54,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:21:54,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:21:54,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:54,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,708 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 07:21:54,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:21:54,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:21:54,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:54,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,773 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 07:21:54,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:21:54,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:21:54,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:54,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,835 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 07:21:54,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:21:54,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:21:54,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-20 07:21:54,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,878 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 07:21:54,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:21:54,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:21:54,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:54,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:54,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:54,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:54,960 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:54,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:54,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:54,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:54,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:54,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:54,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:54,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:54,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:54,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 07:21:54,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:55,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:55,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:55,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:55,023 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:55,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:55,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:55,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:55,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:55,034 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:21:55,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:55,036 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:21:55,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:55,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 07:21:55,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:55,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:55,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:55,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:55,062 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:55,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:55,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 07:21:55,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:55,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:55,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:55,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:55,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:21:55,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:21:55,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:55,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:55,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:55,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:55,143 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:55,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:55,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:55,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:21:55,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:55,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:55,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:55,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:21:55,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:21:55,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 07:21:55,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:55,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:55,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:55,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:55,219 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:55,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:55,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:55,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:55,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:55,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:55,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:21:55,233 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:21:55,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 07:21:55,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:21:55,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:55,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:55,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:55,281 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:55,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:21:55,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:21:55,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:21:55,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:21:55,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:21:55,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:21:55,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:21:55,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 07:21:55,322 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:21:55,411 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-11-20 07:21:55,411 INFO L444 ModelExtractionUtils]: 10 out of 31 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-11-20 07:21:55,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:21:55,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:55,415 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:55,416 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:21:55,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 07:21:55,444 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 07:21:55,444 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:21:55,445 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strspn_~s#1.offset, ULTIMATE.start_main_~in_len~0#1) = -1*ULTIMATE.start_strspn_~s#1.offset + 1*ULTIMATE.start_main_~in_len~0#1 Supporting invariants [1*ULTIMATE.start_main_~in_len~0#1 - 1*v_rep(select #length ULTIMATE.start_strspn_~s#1.base)_1 >= 0] [2021-11-20 07:21:55,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:55,589 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2021-11-20 07:21:55,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:55,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-20 07:21:55,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:21:55,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-20 07:21:55,812 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-11-20 07:21:55,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 37 [2021-11-20 07:21:55,836 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-20 07:21:55,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-11-20 07:21:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:55,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 07:21:55,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:21:56,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:21:56,069 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-11-20 07:21:56,069 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:56,123 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 34 transitions. Complement of second has 4 states. [2021-11-20 07:21:56,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-20 07:21:56,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:56,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-11-20 07:21:56,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 8 letters. [2021-11-20 07:21:56,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:21:56,128 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 07:21:56,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:56,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-20 07:21:56,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:21:56,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-20 07:21:56,247 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-11-20 07:21:56,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 37 [2021-11-20 07:21:56,265 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-20 07:21:56,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-11-20 07:21:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:56,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 07:21:56,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:21:56,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:21:56,415 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2021-11-20 07:21:56,416 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:56,446 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 34 transitions. Complement of second has 4 states. [2021-11-20 07:21:56,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-20 07:21:56,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:56,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-11-20 07:21:56,448 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 8 letters. [2021-11-20 07:21:56,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:21:56,448 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 07:21:56,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:56,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-20 07:21:56,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:21:56,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-20 07:21:56,580 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-11-20 07:21:56,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 37 [2021-11-20 07:21:56,615 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-20 07:21:56,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-11-20 07:21:56,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 07:21:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:56,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 07:21:56,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:21:56,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:21:56,760 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-11-20 07:21:56,761 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:56,813 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 34 transitions. Complement of second has 3 states. [2021-11-20 07:21:56,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-20 07:21:56,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:56,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2021-11-20 07:21:56,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 6 letters. Loop has 8 letters. [2021-11-20 07:21:56,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:21:56,820 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 07:21:56,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:56,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-20 07:21:56,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:21:56,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-20 07:21:56,927 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-11-20 07:21:56,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 37 [2021-11-20 07:21:56,942 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-20 07:21:56,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-11-20 07:21:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:57,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 07:21:57,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:21:57,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:21:57,096 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2021-11-20 07:21:57,096 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:57,141 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 34 transitions. Complement of second has 3 states. [2021-11-20 07:21:57,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-20 07:21:57,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:57,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2021-11-20 07:21:57,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 6 letters. Loop has 8 letters. [2021-11-20 07:21:57,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:21:57,145 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 07:21:57,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:57,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-20 07:21:57,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:21:57,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-20 07:21:57,252 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-11-20 07:21:57,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 37 [2021-11-20 07:21:57,267 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-20 07:21:57,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-11-20 07:21:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:57,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 07:21:57,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:21:57,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:21:57,405 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-11-20 07:21:57,406 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 26 states and 31 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:57,509 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 26 states and 31 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 98 states and 149 transitions. Complement of second has 8 states 4 powerset states4 rank states. The highest rank that occured is 1 [2021-11-20 07:21:57,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-20 07:21:57,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:21:57,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions. [2021-11-20 07:21:57,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 62 transitions. Stem has 6 letters. Loop has 8 letters. [2021-11-20 07:21:57,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:21:57,513 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 07:21:57,513 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:549) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-20 07:21:57,517 INFO L158 Benchmark]: Toolchain (without parser) took 9238.83ms. Allocated memory was 102.8MB in the beginning and 188.7MB in the end (delta: 86.0MB). Free memory was 79.4MB in the beginning and 80.1MB in the end (delta: -623.0kB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. [2021-11-20 07:21:57,518 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 102.8MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:21:57,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.96ms. Allocated memory is still 102.8MB. Free memory was 79.2MB in the beginning and 63.3MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 07:21:57,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.81ms. Allocated memory is still 102.8MB. Free memory was 63.1MB in the beginning and 61.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:21:57,519 INFO L158 Benchmark]: Boogie Preprocessor took 46.64ms. Allocated memory is still 102.8MB. Free memory was 60.9MB in the beginning and 59.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:21:57,525 INFO L158 Benchmark]: RCFGBuilder took 599.34ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 59.2MB in the beginning and 101.0MB in the end (delta: -41.9MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2021-11-20 07:21:57,525 INFO L158 Benchmark]: BuchiAutomizer took 8059.14ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 101.0MB in the beginning and 80.1MB in the end (delta: 20.9MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. [2021-11-20 07:21:57,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 102.8MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.96ms. Allocated memory is still 102.8MB. Free memory was 79.2MB in the beginning and 63.3MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.81ms. Allocated memory is still 102.8MB. Free memory was 63.1MB in the beginning and 61.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.64ms. Allocated memory is still 102.8MB. Free memory was 60.9MB in the beginning and 59.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 599.34ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 59.2MB in the beginning and 101.0MB in the end (delta: -41.9MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 8059.14ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 101.0MB in the beginning and 80.1MB in the end (delta: 20.9MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-20 07:21:57,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdb7a02-d425-49b9-8a80-a8351442f758/bin/uautomizer-DQz5hQGWxF/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient