./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strtok_r.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be --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 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:23:48,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:23:48,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:23:48,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:23:48,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:23:48,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:23:48,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:23:48,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:23:48,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:23:48,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:23:48,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:23:48,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:23:48,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:23:48,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:23:48,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:23:48,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:23:48,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:23:48,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:23:48,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:23:48,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:23:48,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:23:48,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:23:48,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:23:49,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:23:49,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:23:49,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:23:49,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:23:49,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:23:49,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:23:49,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:23:49,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:23:49,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:23:49,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:23:49,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:23:49,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:23:49,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:23:49,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:23:49,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:23:49,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:23:49,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:23:49,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:23:49,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 19:23:49,043 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:23:49,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:23:49,044 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:23:49,044 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:23:49,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:23:49,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:23:49,046 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:23:49,046 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:23:49,046 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:23:49,047 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:23:49,047 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:23:49,047 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:23:49,047 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:23:49,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:23:49,048 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:23:49,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:23:49,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:23:49,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:23:49,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:23:49,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:23:49,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:23:49,049 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:23:49,049 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:23:49,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:23:49,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:23:49,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:23:49,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:23:49,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:23:49,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:23:49,052 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:23:49,052 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_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 768358a1bcdb56fc885a8df113baa43d689898e0e32c0ab06e790a868148d36d [2021-10-21 19:23:49,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:23:49,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:23:49,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:23:49,328 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:23:49,329 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:23:49,330 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-dietlibc/strtok_r.i [2021-10-21 19:23:49,407 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/data/f82b46b35/776e100a747d4723ba0bc83bf5a32914/FLAG735a9fdc1 [2021-10-21 19:23:49,967 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:23:49,968 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/sv-benchmarks/c/termination-dietlibc/strtok_r.i [2021-10-21 19:23:49,995 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/data/f82b46b35/776e100a747d4723ba0bc83bf5a32914/FLAG735a9fdc1 [2021-10-21 19:23:50,296 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/data/f82b46b35/776e100a747d4723ba0bc83bf5a32914 [2021-10-21 19:23:50,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:23:50,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:23:50,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:23:50,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:23:50,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:23:50,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:23:50" (1/1) ... [2021-10-21 19:23:50,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c56ff48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:50, skipping insertion in model container [2021-10-21 19:23:50,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:23:50" (1/1) ... [2021-10-21 19:23:50,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:23:50,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:23:50,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:23:50,808 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:23:50,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:23:50,903 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:23:50,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:50 WrapperNode [2021-10-21 19:23:50,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:23:50,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:23:50,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:23:50,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:23:50,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:50" (1/1) ... [2021-10-21 19:23:50,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:50" (1/1) ... [2021-10-21 19:23:50,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:23:50,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:23:50,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:23:50,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:23:50,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:50" (1/1) ... [2021-10-21 19:23:50,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:50" (1/1) ... [2021-10-21 19:23:50,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:50" (1/1) ... [2021-10-21 19:23:50,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:50" (1/1) ... [2021-10-21 19:23:50,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:50" (1/1) ... [2021-10-21 19:23:50,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:50" (1/1) ... [2021-10-21 19:23:50,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:50" (1/1) ... [2021-10-21 19:23:50,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:23:50,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:23:50,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:23:50,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:23:50,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:50" (1/1) ... [2021-10-21 19:23:51,001 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:23:51,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:23:51,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:23:51,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:23:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:23:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:23:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:23:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 19:23:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 19:23:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:23:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 19:23:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:23:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:23:51,434 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:23:51,434 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-21 19:23:51,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:23:51 BoogieIcfgContainer [2021-10-21 19:23:51,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:23:51,437 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:23:51,437 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:23:51,441 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:23:51,442 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:23:51,442 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:23:50" (1/3) ... [2021-10-21 19:23:51,443 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6aed8a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:23:51, skipping insertion in model container [2021-10-21 19:23:51,443 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:23:51,443 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:50" (2/3) ... [2021-10-21 19:23:51,444 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6aed8a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:23:51, skipping insertion in model container [2021-10-21 19:23:51,444 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:23:51,444 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:23:51" (3/3) ... [2021-10-21 19:23:51,445 INFO L389 chiAutomizerObserver]: Analyzing ICFG strtok_r.i [2021-10-21 19:23:51,500 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:23:51,500 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:23:51,500 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:23:51,500 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:23:51,501 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:23:51,501 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:23:51,501 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:23:51,501 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:23:51,523 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) [2021-10-21 19:23:51,559 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-21 19:23:51,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:23:51,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:23:51,563 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:23:51,563 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:23:51,563 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:23:51,564 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) [2021-10-21 19:23:51,567 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-21 19:23:51,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:23:51,567 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:23:51,568 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:23:51,568 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:23:51,575 INFO L791 eck$LassoCheckResult]: Stem: 22#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 8#L544true assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 30#L548true assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 26#L532true assume strtok_r_~s.base == 0 && strtok_r_~s.offset == 0;call strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset := read~$Pointer$(strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, 8);strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset; 23#L532-2true strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 10#L510-4true [2021-10-21 19:23:51,575 INFO L793 eck$LassoCheckResult]: Loop: 10#L510-4true call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 31#L510-1true assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 7#L511-6true assume !true; 27#L511-7true call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 17#L512true assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 16#L510-3true strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 10#L510-4true [2021-10-21 19:23:51,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:23:51,582 INFO L82 PathProgramCache]: Analyzing trace with hash 889571276, now seen corresponding path program 1 times [2021-10-21 19:23:51,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:23:51,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250520530] [2021-10-21 19:23:51,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:23:51,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:23:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:23:51,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:23:51,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:23:51,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250520530] [2021-10-21 19:23:51,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250520530] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:23:51,804 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:23:51,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:23:51,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376886853] [2021-10-21 19:23:51,810 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:23:51,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:23:51,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1573281738, now seen corresponding path program 1 times [2021-10-21 19:23:51,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:23:51,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020352970] [2021-10-21 19:23:51,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:23:51,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:23:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:23:51,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:23:51,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:23:51,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020352970] [2021-10-21 19:23:51,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020352970] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:23:51,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:23:51,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:23:51,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866027897] [2021-10-21 19:23:51,840 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 19:23:51,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:23:51,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:23:51,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:23:51,860 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) [2021-10-21 19:23:51,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:23:51,890 INFO L93 Difference]: Finished difference Result 34 states and 45 transitions. [2021-10-21 19:23:51,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:23:51,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 45 transitions. [2021-10-21 19:23:51,895 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-21 19:23:51,899 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 26 states and 32 transitions. [2021-10-21 19:23:51,902 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-10-21 19:23:51,903 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2021-10-21 19:23:51,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2021-10-21 19:23:51,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:23:51,904 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-10-21 19:23:51,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2021-10-21 19:23:51,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-21 19:23:51,949 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) [2021-10-21 19:23:51,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2021-10-21 19:23:51,953 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-10-21 19:23:51,954 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-10-21 19:23:51,954 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:23:51,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 32 transitions. [2021-10-21 19:23:51,959 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-21 19:23:51,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:23:51,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:23:51,961 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:23:51,962 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:23:51,963 INFO L791 eck$LassoCheckResult]: Stem: 99#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 86#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 84#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 85#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 101#L532 assume strtok_r_~s.base == 0 && strtok_r_~s.offset == 0;call strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset := read~$Pointer$(strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, 8);strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset; 100#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 87#L510-4 [2021-10-21 19:23:51,963 INFO L793 eck$LassoCheckResult]: Loop: 87#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 88#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 82#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 83#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 103#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 102#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 94#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 93#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 87#L510-4 [2021-10-21 19:23:51,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:23:51,967 INFO L82 PathProgramCache]: Analyzing trace with hash 889571276, now seen corresponding path program 2 times [2021-10-21 19:23:51,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:23:51,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629738702] [2021-10-21 19:23:51,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:23:51,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:23:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:23:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:23:52,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:23:52,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629738702] [2021-10-21 19:23:52,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629738702] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:23:52,080 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:23:52,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:23:52,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969627400] [2021-10-21 19:23:52,081 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:23:52,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:23:52,082 INFO L82 PathProgramCache]: Analyzing trace with hash -347496813, now seen corresponding path program 1 times [2021-10-21 19:23:52,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:23:52,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683735719] [2021-10-21 19:23:52,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:23:52,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:23:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:23:52,099 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:23:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:23:52,131 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:23:52,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:23:52,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:23:52,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:23:52,443 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) [2021-10-21 19:23:52,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:23:52,478 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2021-10-21 19:23:52,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:23:52,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2021-10-21 19:23:52,485 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-21 19:23:52,490 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 31 transitions. [2021-10-21 19:23:52,491 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-10-21 19:23:52,491 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2021-10-21 19:23:52,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 31 transitions. [2021-10-21 19:23:52,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:23:52,492 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-10-21 19:23:52,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 31 transitions. [2021-10-21 19:23:52,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-21 19:23:52,495 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) [2021-10-21 19:23:52,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2021-10-21 19:23:52,496 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-10-21 19:23:52,496 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-10-21 19:23:52,497 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:23:52,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 31 transitions. [2021-10-21 19:23:52,500 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-21 19:23:52,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:23:52,501 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:23:52,502 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:23:52,502 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:23:52,502 INFO L791 eck$LassoCheckResult]: Stem: 160#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 147#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 145#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 146#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 162#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 161#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 148#L510-4 [2021-10-21 19:23:52,502 INFO L793 eck$LassoCheckResult]: Loop: 148#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 149#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 143#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 144#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 164#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 163#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 155#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 154#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 148#L510-4 [2021-10-21 19:23:52,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:23:52,505 INFO L82 PathProgramCache]: Analyzing trace with hash 889571338, now seen corresponding path program 1 times [2021-10-21 19:23:52,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:23:52,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965820431] [2021-10-21 19:23:52,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:23:52,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:23:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:23:52,548 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:23:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:23:52,595 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:23:52,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:23:52,595 INFO L82 PathProgramCache]: Analyzing trace with hash -347496813, now seen corresponding path program 2 times [2021-10-21 19:23:52,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:23:52,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330676858] [2021-10-21 19:23:52,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:23:52,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:23:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:23:52,624 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:23:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:23:52,638 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:23:52,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:23:52,639 INFO L82 PathProgramCache]: Analyzing trace with hash -126923364, now seen corresponding path program 1 times [2021-10-21 19:23:52,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:23:52,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296033260] [2021-10-21 19:23:52,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:23:52,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:23:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:23:52,705 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:23:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:23:52,776 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:23:54,458 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:23:54,459 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:23:54,459 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:23:54,459 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:23:54,459 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:23:54,459 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:23:54,459 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:23:54,459 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:23:54,460 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration3_Lasso [2021-10-21 19:23:54,460 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:23:54,460 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:23:54,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:54,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:55,781 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:23:55,794 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:23:55,796 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:23:55,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:23:55,798 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:23:55,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:23:55,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:23:55,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:23:55,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:23:55,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:23:55,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:23:55,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:23:55,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:23:55,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:23:55,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:23:55,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:23:55,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:23:55,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:23:55,893 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:23:55,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:23:55,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:23:55,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:23:55,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:23:55,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:23:55,903 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:23:55,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:23:55,906 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:23:55,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:23:55,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:23:55,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:23:55,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:23:55,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:23:55,962 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:23:55,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:23:55,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:23:55,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:23:55,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:23:55,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:23:55,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:23:55,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:23:55,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:23:56,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:23:56,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:23:56,031 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:23:56,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:23:56,033 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:23:56,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:23:56,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:23:56,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:23:56,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:23:56,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:23:56,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:23:56,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:23:56,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:23:56,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:23:56,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-21 19:23:56,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:23:56,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:23:56,090 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:23:56,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:23:56,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:23:56,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:23:56,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:23:56,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:23:56,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:23:56,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:23:56,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:23:56,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:23:56,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-21 19:23:56,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:23:56,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:23:56,132 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:23:56,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:23:56,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:23:56,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:23:56,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:23:56,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:23:56,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:23:56,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:23:56,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:23:56,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:23:56,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-21 19:23:56,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:23:56,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:23:56,181 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:23:56,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:23:56,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:23:56,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:23:56,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:23:56,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:23:56,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:23:56,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:23:56,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:23:56,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:23:56,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:23:56,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:23:56,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:23:56,235 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:23:56,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:23:56,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:23:56,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:23:56,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:23:56,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:23:56,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:23:56,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:23:56,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:23:56,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:23:56,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:23:56,307 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:23:56,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:23:56,309 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:23:56,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:23:56,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:23:56,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:23:56,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:23:56,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:23:56,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:23:56,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:23:56,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:23:56,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:23:56,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-21 19:23:56,348 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:23:56,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:23:56,350 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:23:56,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:23:56,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:23:56,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:23:56,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:23:56,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:23:56,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:23:56,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:23:56,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:23:56,403 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:23:56,453 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-21 19:23:56,453 INFO L444 ModelExtractionUtils]: 11 out of 31 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-10-21 19:23:56,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:23:56,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:23:56,484 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:23:56,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 19:23:56,548 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:23:56,586 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:23:56,586 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:23:56,587 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc25.base)_1, ULTIMATE.start_strspn_~s.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc25.base)_1 - 1*ULTIMATE.start_strspn_~s.offset Supporting invariants [] [2021-10-21 19:23:56,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:23:56,719 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2021-10-21 19:23:56,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:23:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:23:56,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-21 19:23:56,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:23:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:23:56,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:23:56,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:23:57,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:23:57,020 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 [2021-10-21 19:23:57,021 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) [2021-10-21 19:23:57,128 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 46 states and 57 transitions. Complement of second has 6 states. [2021-10-21 19:23:57,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:23:57,130 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) [2021-10-21 19:23:57,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2021-10-21 19:23:57,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 8 letters. [2021-10-21 19:23:57,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:23:57,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 14 letters. Loop has 8 letters. [2021-10-21 19:23:57,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:23:57,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 16 letters. [2021-10-21 19:23:57,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:23:57,137 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 57 transitions. [2021-10-21 19:23:57,140 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-21 19:23:57,142 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 34 states and 42 transitions. [2021-10-21 19:23:57,142 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-21 19:23:57,165 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-10-21 19:23:57,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 42 transitions. [2021-10-21 19:23:57,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:23:57,166 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-10-21 19:23:57,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 42 transitions. [2021-10-21 19:23:57,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-10-21 19:23:57,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:23:57,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2021-10-21 19:23:57,175 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-10-21 19:23:57,175 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-10-21 19:23:57,175 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 19:23:57,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2021-10-21 19:23:57,179 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-21 19:23:57,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:23:57,180 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:23:57,180 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:23:57,180 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:23:57,181 INFO L791 eck$LassoCheckResult]: Stem: 360#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 343#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 341#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 342#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 362#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 361#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 344#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 346#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 337#L511-6 [2021-10-21 19:23:57,181 INFO L793 eck$LassoCheckResult]: Loop: 337#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 338#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 365#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 356#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 337#L511-6 [2021-10-21 19:23:57,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:23:57,182 INFO L82 PathProgramCache]: Analyzing trace with hash 179564655, now seen corresponding path program 1 times [2021-10-21 19:23:57,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:23:57,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524052672] [2021-10-21 19:23:57,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:23:57,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:23:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:23:57,235 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:23:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:23:57,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 19:23:57,269 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:23:57,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:23:57,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1911846, now seen corresponding path program 1 times [2021-10-21 19:23:57,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:23:57,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011795823] [2021-10-21 19:23:57,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:23:57,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:23:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:23:57,284 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:23:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:23:57,306 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:23:57,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:23:57,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1251527276, now seen corresponding path program 1 times [2021-10-21 19:23:57,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:23:57,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669314154] [2021-10-21 19:23:57,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:23:57,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:23:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:23:57,351 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:23:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:23:57,396 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:23:58,929 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:23:58,930 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:23:58,930 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:23:58,930 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:23:58,930 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:23:58,930 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:23:58,930 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:23:58,931 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:23:58,931 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration4_Lasso [2021-10-21 19:23:58,931 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:23:58,931 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:23:58,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:58,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:59,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:59,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:59,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:59,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:59,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:59,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:59,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:59,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:59,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:59,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:23:59,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:00,250 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:24:00,250 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:24:00,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:00,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:00,253 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:00,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:00,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:00,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:00,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:00,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:00,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:00,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:00,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:00,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 19:24:00,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:00,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:00,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:00,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:00,322 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:00,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:00,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:00,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:00,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:00,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:00,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:00,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:00,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:00,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 19:24:00,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:00,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:00,403 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:00,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:00,408 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:00,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:00,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 19:24:00,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:00,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:00,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:00,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:00,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:00,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:00,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:00,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:00,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:00,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:00,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:00,478 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:00,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:00,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:00,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:00,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:00,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:00,495 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:00,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:00,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 19:24:00,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:00,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:00,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:00,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:00,554 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:00,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 19:24:00,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:00,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:00,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:00,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:00,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:00,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:00,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:00,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:00,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:00,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:00,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:00,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:00,592 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:00,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 19:24:00,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:00,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:00,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:00,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:00,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:00,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:00,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:00,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:00,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:00,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:00,625 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:00,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:00,626 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:00,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 19:24:00,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:00,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:00,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:00,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:00,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:00,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:00,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:00,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:00,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:00,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:00,682 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:00,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:00,683 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:00,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 19:24:00,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:00,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:00,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:00,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:00,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:00,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:00,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:00,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:00,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:00,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:00,715 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:00,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:00,716 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:00,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:00,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:00,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:00,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:00,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:00,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:00,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:00,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:00,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 19:24:00,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:00,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:00,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:00,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:00,812 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:00,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:00,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:00,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:00,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:00,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:00,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:00,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:00,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:00,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 19:24:00,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:00,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-21 19:24:00,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:00,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:00,863 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:00,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 19:24:00,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:00,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:00,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:00,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:00,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:00,874 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:00,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:00,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:00,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:00,897 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:00,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:00,897 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:00,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 19:24:00,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:00,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:00,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:00,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:00,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:00,907 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:00,907 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:00,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:00,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:00,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:00,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:00,951 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:00,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 19:24:00,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:00,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:00,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:00,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:00,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:00,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:00,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:00,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:00,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:00,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:00,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:00,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:00,985 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:00,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 19:24:00,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:00,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:00,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:00,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:00,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:00,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:00,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:00,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:01,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:01,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:01,052 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:01,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:01,053 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:01,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 19:24:01,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:01,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:01,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:01,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:01,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:01,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:01,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:01,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:01,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:01,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:01,082 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:01,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:01,083 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:01,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 19:24:01,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:01,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:01,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:01,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:01,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:01,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:01,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:01,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:01,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:01,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-21 19:24:01,116 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:01,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:01,117 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:01,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 19:24:01,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:01,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:01,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:01,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:01,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:01,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:01,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:01,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:01,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:01,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:01,171 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:01,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:01,171 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:01,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-21 19:24:01,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:01,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:01,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:01,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:01,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:01,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:01,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:01,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:01,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:01,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:01,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:01,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:01,205 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:01,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-21 19:24:01,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:01,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:01,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:01,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:01,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:01,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:01,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:01,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:01,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:01,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-21 19:24:01,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:01,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:01,247 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:01,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-21 19:24:01,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:01,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:01,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:01,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:01,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:01,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:01,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:01,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:01,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:01,297 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:01,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:01,298 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:01,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-21 19:24:01,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:01,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:01,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:01,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:01,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:01,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:01,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:01,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:01,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:01,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:01,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:01,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:01,340 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:01,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-21 19:24:01,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:01,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:01,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:01,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:01,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:01,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:01,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:01,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:01,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:01,386 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:01,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:01,388 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:01,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 19:24:01,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:01,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:01,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:01,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:01,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:01,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:01,403 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:01,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:01,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-21 19:24:01,466 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:01,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:01,467 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:01,476 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 [2021-10-21 19:24:01,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:01,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:01,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:01,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:01,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:01,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:01,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 19:24:01,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:01,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-21 19:24:01,539 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:01,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:01,540 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:01,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 19:24:01,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:01,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:01,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:01,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:01,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:01,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:01,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:01,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:01,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-21 19:24:01,608 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:01,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:01,609 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:01,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:01,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:01,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:01,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:01,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:01,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:01,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:01,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 19:24:01,650 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:24:01,674 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-21 19:24:01,674 INFO L444 ModelExtractionUtils]: 34 out of 49 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-10-21 19:24:01,674 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:01,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:01,675 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:01,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 19:24:01,683 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:24:01,720 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:24:01,720 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:24:01,720 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_2, ULTIMATE.start_strspn_~a~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_2 - 1*ULTIMATE.start_strspn_~a~0.offset Supporting invariants [] [2021-10-21 19:24:01,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:01,833 INFO L297 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2021-10-21 19:24:01,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:01,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-21 19:24:01,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:01,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:24:01,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:02,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:02,041 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 [2021-10-21 19:24:02,041 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:02,158 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 11. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 100 states and 123 transitions. Complement of second has 7 states. [2021-10-21 19:24:02,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:24:02,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:02,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2021-10-21 19:24:02,161 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-21 19:24:02,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:02,161 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 12 letters. Loop has 4 letters. [2021-10-21 19:24:02,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:02,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 8 letters. Loop has 8 letters. [2021-10-21 19:24:02,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:02,163 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 123 transitions. [2021-10-21 19:24:02,168 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 28 [2021-10-21 19:24:02,172 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 79 states and 99 transitions. [2021-10-21 19:24:02,172 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53 [2021-10-21 19:24:02,173 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2021-10-21 19:24:02,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 99 transitions. [2021-10-21 19:24:02,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:24:02,173 INFO L681 BuchiCegarLoop]: Abstraction has 79 states and 99 transitions. [2021-10-21 19:24:02,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 99 transitions. [2021-10-21 19:24:02,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 49. [2021-10-21 19:24:02,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 48 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:02,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 65 transitions. [2021-10-21 19:24:02,185 INFO L704 BuchiCegarLoop]: Abstraction has 49 states and 65 transitions. [2021-10-21 19:24:02,185 INFO L587 BuchiCegarLoop]: Abstraction has 49 states and 65 transitions. [2021-10-21 19:24:02,185 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 19:24:02,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 65 transitions. [2021-10-21 19:24:02,188 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-21 19:24:02,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:24:02,189 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:24:02,190 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:24:02,190 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:24:02,192 INFO L791 eck$LassoCheckResult]: Stem: 647#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 627#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 625#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 626#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 649#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 648#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 628#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 630#L510-1 assume !(0 != strspn_#t~mem10);havoc strspn_#t~mem10; 640#L510-5 strspn_#res := strspn_~l~0; 645#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 646#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 618#L523-4 [2021-10-21 19:24:02,192 INFO L793 eck$LassoCheckResult]: Loop: 618#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 619#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 637#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 634#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 635#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 636#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 618#L523-4 [2021-10-21 19:24:02,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:02,193 INFO L82 PathProgramCache]: Analyzing trace with hash -2118613646, now seen corresponding path program 1 times [2021-10-21 19:24:02,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:02,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146000563] [2021-10-21 19:24:02,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:02,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:02,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:02,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:24:02,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146000563] [2021-10-21 19:24:02,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146000563] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:24:02,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:24:02,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-21 19:24:02,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110050145] [2021-10-21 19:24:02,361 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:24:02,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:02,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1361307093, now seen corresponding path program 1 times [2021-10-21 19:24:02,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:02,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069321980] [2021-10-21 19:24:02,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:02,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:02,367 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:02,372 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:02,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:24:02,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:24:02,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:24:02,471 INFO L87 Difference]: Start difference. First operand 49 states and 65 transitions. cyclomatic complexity: 21 Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:02,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:24:02,648 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2021-10-21 19:24:02,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:24:02,649 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 73 transitions. [2021-10-21 19:24:02,649 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-21 19:24:02,650 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 55 states and 70 transitions. [2021-10-21 19:24:02,650 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-10-21 19:24:02,650 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-10-21 19:24:02,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 70 transitions. [2021-10-21 19:24:02,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:24:02,650 INFO L681 BuchiCegarLoop]: Abstraction has 55 states and 70 transitions. [2021-10-21 19:24:02,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 70 transitions. [2021-10-21 19:24:02,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2021-10-21 19:24:02,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 48 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:02,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 64 transitions. [2021-10-21 19:24:02,654 INFO L704 BuchiCegarLoop]: Abstraction has 49 states and 64 transitions. [2021-10-21 19:24:02,654 INFO L587 BuchiCegarLoop]: Abstraction has 49 states and 64 transitions. [2021-10-21 19:24:02,654 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 19:24:02,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 64 transitions. [2021-10-21 19:24:02,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-21 19:24:02,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:24:02,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:24:02,656 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:24:02,656 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:24:02,656 INFO L791 eck$LassoCheckResult]: Stem: 779#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 758#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 756#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 757#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 781#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 780#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 759#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 760#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 776#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 795#L511-1 assume !strspn_#t~short7; 785#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 783#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 772#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 769#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 762#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 764#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 774#L511-6 [2021-10-21 19:24:02,656 INFO L793 eck$LassoCheckResult]: Loop: 774#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 786#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 787#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 773#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 774#L511-6 [2021-10-21 19:24:02,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:02,657 INFO L82 PathProgramCache]: Analyzing trace with hash 60739587, now seen corresponding path program 1 times [2021-10-21 19:24:02,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:02,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214583558] [2021-10-21 19:24:02,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:02,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:02,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:02,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:24:02,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214583558] [2021-10-21 19:24:02,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214583558] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:24:02,703 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:24:02,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:24:02,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585582978] [2021-10-21 19:24:02,704 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:24:02,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:02,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1911846, now seen corresponding path program 2 times [2021-10-21 19:24:02,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:02,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915796680] [2021-10-21 19:24:02,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:02,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:02,711 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:02,716 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:02,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:24:02,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:24:02,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:24:02,834 INFO L87 Difference]: Start difference. First operand 49 states and 64 transitions. cyclomatic complexity: 20 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:02,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:24:02,883 INFO L93 Difference]: Finished difference Result 74 states and 91 transitions. [2021-10-21 19:24:02,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:24:02,884 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 91 transitions. [2021-10-21 19:24:02,885 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-10-21 19:24:02,886 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 71 states and 87 transitions. [2021-10-21 19:24:02,886 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2021-10-21 19:24:02,886 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-10-21 19:24:02,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 87 transitions. [2021-10-21 19:24:02,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:24:02,886 INFO L681 BuchiCegarLoop]: Abstraction has 71 states and 87 transitions. [2021-10-21 19:24:02,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 87 transitions. [2021-10-21 19:24:02,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 50. [2021-10-21 19:24:02,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.28) internal successors, (64), 49 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:02,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2021-10-21 19:24:02,892 INFO L704 BuchiCegarLoop]: Abstraction has 50 states and 64 transitions. [2021-10-21 19:24:02,892 INFO L587 BuchiCegarLoop]: Abstraction has 50 states and 64 transitions. [2021-10-21 19:24:02,892 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-21 19:24:02,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 64 transitions. [2021-10-21 19:24:02,893 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-21 19:24:02,893 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:24:02,893 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:24:02,894 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:24:02,894 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:24:02,894 INFO L791 eck$LassoCheckResult]: Stem: 910#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 890#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 888#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 889#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 912#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 911#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 891#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 892#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 907#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 928#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 920#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 914#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 904#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 901#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 894#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 896#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 884#L511-6 [2021-10-21 19:24:02,894 INFO L793 eck$LassoCheckResult]: Loop: 884#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 885#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 918#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 905#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 884#L511-6 [2021-10-21 19:24:02,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:02,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1714267775, now seen corresponding path program 2 times [2021-10-21 19:24:02,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:02,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266625341] [2021-10-21 19:24:02,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:02,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:02,913 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:02,936 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:02,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:02,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1911846, now seen corresponding path program 3 times [2021-10-21 19:24:02,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:02,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594159973] [2021-10-21 19:24:02,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:02,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:02,944 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:02,952 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:02,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:02,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1311163814, now seen corresponding path program 1 times [2021-10-21 19:24:02,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:02,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619601939] [2021-10-21 19:24:02,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:02,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:02,985 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:03,022 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:04,972 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:24:04,972 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:24:04,972 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:24:04,972 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:24:04,972 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:24:04,973 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:04,973 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:24:04,973 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:24:04,973 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration7_Lasso [2021-10-21 19:24:04,973 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:24:04,973 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:24:04,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:05,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:06,347 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:24:06,347 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:24:06,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,350 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 19:24:06,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:06,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:06,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:06,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:06,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:06,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-21 19:24:06,383 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,383 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-21 19:24:06,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:06,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:06,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:06,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:06,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:06,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-21 19:24:06,413 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,414 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-21 19:24:06,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:06,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:06,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:06,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:06,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:06,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-21 19:24:06,444 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,445 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-21 19:24:06,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:06,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:06,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:06,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:06,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:06,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-21 19:24:06,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,484 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-21 19:24:06,486 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 [2021-10-21 19:24:06,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:06,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:06,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:06,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:06,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-21 19:24:06,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,515 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-21 19:24:06,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:06,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:06,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:06,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:06,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-21 19:24:06,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,576 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-21 19:24:06,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:06,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:06,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:06,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:06,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-21 19:24:06,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,646 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:06,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:06,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:06,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-21 19:24:06,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:06,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:06,715 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,716 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:06,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-21 19:24:06,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:06,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:06,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:06,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-21 19:24:06,770 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,771 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-21 19:24:06,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:06,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:06,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:06,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:06,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:06,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,813 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-21 19:24:06,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:06,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:06,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:06,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:06,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-21 19:24:06,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,858 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-21 19:24:06,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:06,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:06,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:06,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:06,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:06,893 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,893 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-21 19:24:06,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:06,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:06,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:06,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:06,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:06,926 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,927 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-21 19:24:06,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:06,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:06,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:06,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:06,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:06,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-21 19:24:06,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,957 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-21 19:24:06,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:06,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:06,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:06,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:06,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:06,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,990 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-21 19:24:06,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:07,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:07,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:07,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:07,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:07,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:07,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:07,023 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:24:07,062 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-10-21 19:24:07,062 INFO L444 ModelExtractionUtils]: 24 out of 49 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-10-21 19:24:07,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:07,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:07,063 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:07,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-21 19:24:07,064 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:24:07,071 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:24:07,072 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:24:07,072 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_3, ULTIMATE.start_strspn_~a~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_3 - 1*ULTIMATE.start_strspn_~a~0.offset Supporting invariants [] [2021-10-21 19:24:07,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-21 19:24:07,234 INFO L297 tatePredicateManager]: 29 out of 30 supporting invariants were superfluous and have been removed [2021-10-21 19:24:07,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:07,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-21 19:24:07,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:07,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:24:07,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:07,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:07,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:07,487 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 [2021-10-21 19:24:07,487 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:07,554 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 98 states and 123 transitions. Complement of second has 7 states. [2021-10-21 19:24:07,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:24:07,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:07,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2021-10-21 19:24:07,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 16 letters. Loop has 4 letters. [2021-10-21 19:24:07,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:07,556 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:24:07,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:07,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-21 19:24:07,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:07,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:24:07,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:07,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:07,796 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 [2021-10-21 19:24:07,797 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:07,854 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 98 states and 123 transitions. Complement of second has 7 states. [2021-10-21 19:24:07,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:24:07,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:07,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2021-10-21 19:24:07,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 16 letters. Loop has 4 letters. [2021-10-21 19:24:07,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:07,855 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:24:07,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:07,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-21 19:24:07,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:08,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:24:08,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:08,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:08,073 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 [2021-10-21 19:24:08,074 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:08,142 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 87 states and 114 transitions. Complement of second has 6 states. [2021-10-21 19:24:08,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:24:08,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:08,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 56 transitions. [2021-10-21 19:24:08,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 16 letters. Loop has 4 letters. [2021-10-21 19:24:08,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:08,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 20 letters. Loop has 4 letters. [2021-10-21 19:24:08,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:08,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 16 letters. Loop has 8 letters. [2021-10-21 19:24:08,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:08,156 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 114 transitions. [2021-10-21 19:24:08,157 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 19:24:08,158 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 55 states and 71 transitions. [2021-10-21 19:24:08,158 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-10-21 19:24:08,159 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-21 19:24:08,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 71 transitions. [2021-10-21 19:24:08,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:24:08,159 INFO L681 BuchiCegarLoop]: Abstraction has 55 states and 71 transitions. [2021-10-21 19:24:08,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 71 transitions. [2021-10-21 19:24:08,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 40. [2021-10-21 19:24:08,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.25) internal successors, (50), 39 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:08,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2021-10-21 19:24:08,162 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-10-21 19:24:08,162 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-10-21 19:24:08,162 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-21 19:24:08,163 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 50 transitions. [2021-10-21 19:24:08,163 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 19:24:08,163 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:24:08,163 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:24:08,164 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:24:08,164 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:24:08,164 INFO L791 eck$LassoCheckResult]: Stem: 1604#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1587#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 1585#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 1586#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 1606#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 1605#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 1588#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 1590#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 1579#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 1581#L511-1 assume !strspn_#t~short7; 1609#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 1607#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 1598#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 1599#L510-5 strspn_#res := strspn_~l~0; 1602#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 1603#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 1577#L523-4 [2021-10-21 19:24:08,165 INFO L793 eck$LassoCheckResult]: Loop: 1577#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 1578#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 1596#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 1593#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 1594#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 1595#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 1577#L523-4 [2021-10-21 19:24:08,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:08,165 INFO L82 PathProgramCache]: Analyzing trace with hash 60685095, now seen corresponding path program 1 times [2021-10-21 19:24:08,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:08,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842937097] [2021-10-21 19:24:08,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:08,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:08,195 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:08,217 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:08,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:08,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1361307093, now seen corresponding path program 2 times [2021-10-21 19:24:08,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:08,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051184184] [2021-10-21 19:24:08,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:08,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:08,223 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:08,227 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:08,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:08,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1593745617, now seen corresponding path program 1 times [2021-10-21 19:24:08,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:08,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109508104] [2021-10-21 19:24:08,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:08,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:08,252 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:08,276 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:10,262 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:24:10,262 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:24:10,262 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:24:10,262 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:24:10,262 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:24:10,262 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:10,262 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:24:10,263 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:24:10,263 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration8_Lasso [2021-10-21 19:24:10,263 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:24:10,263 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:24:10,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:10,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:10,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:10,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:10,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:10,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:10,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:10,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:10,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:10,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:10,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:10,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:12,099 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:24:12,099 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:24:12,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,102 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-21 19:24:12,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:12,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:12,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:12,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:12,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:12,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:12,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:12,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:12,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:12,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:12,153 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,154 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-21 19:24:12,155 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 [2021-10-21 19:24:12,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:12,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:12,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:12,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:12,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:12,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:12,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:12,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:12,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-21 19:24:12,183 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,184 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-21 19:24:12,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:12,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:12,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:12,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:12,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:12,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:12,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:12,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:12,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:12,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-21 19:24:12,212 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,213 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-21 19:24:12,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:12,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:12,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:12,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:12,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:12,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:12,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:12,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:12,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:12,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:12,248 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,248 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-21 19:24:12,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:12,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:12,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:12,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:12,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:12,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:12,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:12,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:12,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:12,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-21 19:24:12,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,284 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-21 19:24:12,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:12,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:12,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:12,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:12,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:12,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:12,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:12,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:12,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:12,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-10-21 19:24:12,316 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,317 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-21 19:24:12,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:12,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:12,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:12,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:12,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:12,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:12,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:12,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:12,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:12,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:12,351 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,352 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-21 19:24:12,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:12,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:12,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:12,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:12,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:12,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:12,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:12,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:12,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:12,390 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,391 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-21 19:24:12,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:12,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:12,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:12,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:12,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:12,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:12,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:12,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:12,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:12,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-21 19:24:12,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,426 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-21 19:24:12,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:12,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:12,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:12,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:12,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:12,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:12,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:12,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:12,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:12,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-21 19:24:12,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,467 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-21 19:24:12,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:12,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:12,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:12,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:12,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:12,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:12,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:12,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:12,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:12,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-21 19:24:12,497 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,498 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-21 19:24:12,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:12,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:12,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:12,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:12,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:12,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:12,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:12,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:12,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:12,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:12,527 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,528 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-21 19:24:12,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:12,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:12,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:12,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:12,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:12,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:12,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:12,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:12,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:12,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,597 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-21 19:24:12,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:12,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:12,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:12,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:12,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:12,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:12,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:12,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:12,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-10-21 19:24:12,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,630 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-21 19:24:12,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:12,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:12,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:12,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:12,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:12,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:12,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:12,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:12,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:12,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,724 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-21 19:24:12,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:12,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:12,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:12,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:12,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:12,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:12,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:12,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:12,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-21 19:24:12,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,786 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-21 19:24:12,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:12,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:12,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:12,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:12,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:12,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:12,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:12,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:12,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:12,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-10-21 19:24:12,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,816 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-21 19:24:12,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:12,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:12,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:12,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:12,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:12,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:12,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:12,882 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:24:12,913 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-10-21 19:24:12,913 INFO L444 ModelExtractionUtils]: 82 out of 88 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-21 19:24:12,913 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,920 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,921 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:24:12,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-21 19:24:12,938 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:24:12,938 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:24:12,938 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_strcspn_~s.base)_1, ULTIMATE.start_strcspn_~s.offset) = 1*v_rep(select #length ULTIMATE.start_strcspn_~s.base)_1 - 1*ULTIMATE.start_strcspn_~s.offset Supporting invariants [] [2021-10-21 19:24:12,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:13,074 INFO L297 tatePredicateManager]: 32 out of 32 supporting invariants were superfluous and have been removed [2021-10-21 19:24:13,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:13,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:24:13,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:13,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:24:13,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:13,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:13,221 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:24:13,221 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 50 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:13,234 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 50 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 60 transitions. Complement of second has 4 states. [2021-10-21 19:24:13,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:24:13,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:13,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2021-10-21 19:24:13,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 16 letters. Loop has 6 letters. [2021-10-21 19:24:13,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:13,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 22 letters. Loop has 6 letters. [2021-10-21 19:24:13,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:13,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 16 letters. Loop has 12 letters. [2021-10-21 19:24:13,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:13,238 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 60 transitions. [2021-10-21 19:24:13,238 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:24:13,239 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 46 states and 58 transitions. [2021-10-21 19:24:13,239 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-10-21 19:24:13,239 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-21 19:24:13,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 58 transitions. [2021-10-21 19:24:13,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:24:13,239 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2021-10-21 19:24:13,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 58 transitions. [2021-10-21 19:24:13,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-10-21 19:24:13,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 45 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:13,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2021-10-21 19:24:13,242 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2021-10-21 19:24:13,242 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2021-10-21 19:24:13,242 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-21 19:24:13,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 58 transitions. [2021-10-21 19:24:13,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:24:13,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:24:13,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:24:13,243 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:24:13,244 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:24:13,244 INFO L791 eck$LassoCheckResult]: Stem: 1912#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1893#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 1891#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 1892#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 1914#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 1913#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 1894#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 1896#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 1885#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 1887#L511-1 assume !strspn_#t~short7; 1917#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 1915#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 1906#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 1907#L510-5 strspn_#res := strspn_~l~0; 1910#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 1911#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 1881#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 1883#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 1903#L524-4 [2021-10-21 19:24:13,244 INFO L793 eck$LassoCheckResult]: Loop: 1903#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 1899#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 1877#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 1878#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 1903#L524-4 [2021-10-21 19:24:13,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:13,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1811163636, now seen corresponding path program 1 times [2021-10-21 19:24:13,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:13,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589943442] [2021-10-21 19:24:13,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:13,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:13,264 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:13,285 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:13,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:13,286 INFO L82 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 1 times [2021-10-21 19:24:13,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:13,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096347054] [2021-10-21 19:24:13,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:13,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:13,291 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:13,294 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:13,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:13,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1593747347, now seen corresponding path program 1 times [2021-10-21 19:24:13,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:13,295 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967344486] [2021-10-21 19:24:13,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:13,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:13,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:24:13,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967344486] [2021-10-21 19:24:13,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967344486] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:24:13,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:24:13,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-21 19:24:13,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200375505] [2021-10-21 19:24:13,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:24:13,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 19:24:13,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:24:13,493 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:13,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:24:13,700 INFO L93 Difference]: Finished difference Result 97 states and 119 transitions. [2021-10-21 19:24:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 19:24:13,700 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 119 transitions. [2021-10-21 19:24:13,701 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 19:24:13,702 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 78 states and 97 transitions. [2021-10-21 19:24:13,702 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-10-21 19:24:13,702 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-10-21 19:24:13,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 97 transitions. [2021-10-21 19:24:13,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:24:13,702 INFO L681 BuchiCegarLoop]: Abstraction has 78 states and 97 transitions. [2021-10-21 19:24:13,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states and 97 transitions. [2021-10-21 19:24:13,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 46. [2021-10-21 19:24:13,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 45 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2021-10-21 19:24:13,705 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 57 transitions. [2021-10-21 19:24:13,705 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 57 transitions. [2021-10-21 19:24:13,706 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-21 19:24:13,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 57 transitions. [2021-10-21 19:24:13,706 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:24:13,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:24:13,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:24:13,707 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:24:13,707 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:24:13,707 INFO L791 eck$LassoCheckResult]: Stem: 2081#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2062#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 2060#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 2061#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 2083#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 2082#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 2063#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2064#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 2057#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2059#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 2092#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2085#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 2077#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 2074#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 2066#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2067#L510-1 assume !(0 != strspn_#t~mem10);havoc strspn_#t~mem10; 2076#L510-5 strspn_#res := strspn_~l~0; 2079#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 2080#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 2051#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2053#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2072#L524-4 [2021-10-21 19:24:13,707 INFO L793 eck$LassoCheckResult]: Loop: 2072#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2068#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2047#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 2048#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 2072#L524-4 [2021-10-21 19:24:13,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:13,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1960799173, now seen corresponding path program 1 times [2021-10-21 19:24:13,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:13,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661511026] [2021-10-21 19:24:13,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:13,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:14,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:24:14,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661511026] [2021-10-21 19:24:14,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661511026] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:24:14,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481788558] [2021-10-21 19:24:14,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:14,007 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:24:14,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:14,008 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:24:14,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Waiting until timeout for monitored process [2021-10-21 19:24:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:14,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 52 conjunts are in the unsatisfiable core [2021-10-21 19:24:14,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:14,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:14,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-10-21 19:25:02,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-10-21 19:25:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:25:02,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481788558] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:25:02,032 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:25:02,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-10-21 19:25:02,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973176593] [2021-10-21 19:25:02,032 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:25:02,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:02,033 INFO L82 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 2 times [2021-10-21 19:25:02,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:25:02,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339242879] [2021-10-21 19:25:02,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:02,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:25:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:02,038 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:25:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:02,042 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:25:02,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:25:02,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-21 19:25:02,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=430, Unknown=5, NotChecked=0, Total=506 [2021-10-21 19:25:02,109 INFO L87 Difference]: Start difference. First operand 46 states and 57 transitions. cyclomatic complexity: 15 Second operand has 23 states, 22 states have (on average 1.7727272727272727) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:25:06,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:25:06,308 INFO L93 Difference]: Finished difference Result 95 states and 117 transitions. [2021-10-21 19:25:06,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 19:25:06,309 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 117 transitions. [2021-10-21 19:25:06,310 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:25:06,311 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 89 states and 111 transitions. [2021-10-21 19:25:06,311 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-10-21 19:25:06,311 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-10-21 19:25:06,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 111 transitions. [2021-10-21 19:25:06,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:25:06,311 INFO L681 BuchiCegarLoop]: Abstraction has 89 states and 111 transitions. [2021-10-21 19:25:06,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 111 transitions. [2021-10-21 19:25:06,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 57. [2021-10-21 19:25:06,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.2456140350877194) internal successors, (71), 56 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:25:06,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2021-10-21 19:25:06,315 INFO L704 BuchiCegarLoop]: Abstraction has 57 states and 71 transitions. [2021-10-21 19:25:06,315 INFO L587 BuchiCegarLoop]: Abstraction has 57 states and 71 transitions. [2021-10-21 19:25:06,315 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-21 19:25:06,315 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 71 transitions. [2021-10-21 19:25:06,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:25:06,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:25:06,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:25:06,316 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:25:06,316 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:25:06,317 INFO L791 eck$LassoCheckResult]: Stem: 2329#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2309#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 2307#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 2308#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 2331#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 2330#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 2310#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2312#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 2302#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2303#L511-1 assume !strspn_#t~short7; 2340#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2339#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 2338#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2336#L511-1 assume !strspn_#t~short7; 2334#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2332#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 2323#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 2324#L510-5 strspn_#res := strspn_~l~0; 2327#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 2328#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 2298#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2300#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2319#L524-4 [2021-10-21 19:25:06,317 INFO L793 eck$LassoCheckResult]: Loop: 2319#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2315#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2294#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 2295#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 2319#L524-4 [2021-10-21 19:25:06,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:06,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1052721677, now seen corresponding path program 1 times [2021-10-21 19:25:06,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:25:06,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585124355] [2021-10-21 19:25:06,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:06,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:25:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:25:06,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:25:06,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:25:06,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585124355] [2021-10-21 19:25:06,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585124355] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:25:06,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:25:06,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:25:06,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753506453] [2021-10-21 19:25:06,341 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:25:06,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:06,341 INFO L82 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 3 times [2021-10-21 19:25:06,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:25:06,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63623234] [2021-10-21 19:25:06,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:06,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:25:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:06,362 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:25:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:06,366 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:25:06,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:25:06,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:25:06,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:25:06,432 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. cyclomatic complexity: 19 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:25:06,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:25:06,441 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2021-10-21 19:25:06,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:25:06,442 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 72 transitions. [2021-10-21 19:25:06,442 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:25:06,443 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 58 states and 69 transitions. [2021-10-21 19:25:06,443 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-21 19:25:06,443 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-21 19:25:06,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 69 transitions. [2021-10-21 19:25:06,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:25:06,444 INFO L681 BuchiCegarLoop]: Abstraction has 58 states and 69 transitions. [2021-10-21 19:25:06,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 69 transitions. [2021-10-21 19:25:06,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2021-10-21 19:25:06,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 56 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:25:06,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2021-10-21 19:25:06,447 INFO L704 BuchiCegarLoop]: Abstraction has 57 states and 68 transitions. [2021-10-21 19:25:06,447 INFO L587 BuchiCegarLoop]: Abstraction has 57 states and 68 transitions. [2021-10-21 19:25:06,447 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-21 19:25:06,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 68 transitions. [2021-10-21 19:25:06,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:25:06,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:25:06,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:25:06,449 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:25:06,449 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:25:06,449 INFO L791 eck$LassoCheckResult]: Stem: 2452#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2433#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 2431#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 2432#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 2454#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 2453#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 2434#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2436#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 2426#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2427#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 2462#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2461#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 2460#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2459#L511-1 assume !strspn_#t~short7; 2457#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2455#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 2446#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 2447#L510-5 strspn_#res := strspn_~l~0; 2450#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 2451#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 2422#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2424#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2443#L524-4 [2021-10-21 19:25:06,449 INFO L793 eck$LassoCheckResult]: Loop: 2443#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2439#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2418#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 2419#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 2443#L524-4 [2021-10-21 19:25:06,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:06,450 INFO L82 PathProgramCache]: Analyzing trace with hash -465915663, now seen corresponding path program 1 times [2021-10-21 19:25:06,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:25:06,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185356456] [2021-10-21 19:25:06,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:06,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:25:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:06,468 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:25:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:06,486 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:25:06,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:06,487 INFO L82 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 4 times [2021-10-21 19:25:06,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:25:06,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775261409] [2021-10-21 19:25:06,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:06,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:25:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:06,492 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:25:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:06,495 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:25:06,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:06,496 INFO L82 PathProgramCache]: Analyzing trace with hash -187987976, now seen corresponding path program 1 times [2021-10-21 19:25:06,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:25:06,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797890111] [2021-10-21 19:25:06,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:06,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:25:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:06,515 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:25:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:06,544 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:25:09,337 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:25:09,337 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:25:09,338 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:25:09,338 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:25:09,338 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:25:09,338 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:09,338 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:25:09,338 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:25:09,338 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration12_Lasso [2021-10-21 19:25:09,338 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:25:09,338 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:25:09,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:09,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:10,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:10,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:10,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:10,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:10,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:10,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:10,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:10,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:10,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:10,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:10,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:10,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:10,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:10,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:11,409 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:25:11,409 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:25:11,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:11,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:11,411 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:11,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-21 19:25:11,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:11,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:11,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:11,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:11,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:11,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:11,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:11,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:11,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:11,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:11,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:11,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:11,444 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:11,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-21 19:25:11,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:11,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:11,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:11,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:11,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:11,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:11,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:11,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:11,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:11,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:11,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:11,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:11,490 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:11,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-21 19:25:11,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:11,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:11,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:11,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:11,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:11,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:11,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:11,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:11,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:11,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-21 19:25:11,523 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:11,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:11,524 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:11,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-21 19:25:11,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:11,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:11,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:11,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:11,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:11,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:11,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:11,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:11,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:11,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-21 19:25:11,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:11,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:11,556 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:11,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-21 19:25:11,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:11,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:11,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:11,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:11,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:11,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:11,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:11,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:11,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:11,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-21 19:25:11,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:11,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:11,585 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:11,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-21 19:25:11,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:11,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:11,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:11,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:11,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:11,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:11,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:11,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:11,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:11,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-21 19:25:11,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:11,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:11,614 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:11,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-21 19:25:11,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:11,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:11,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:11,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:11,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:11,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:11,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:11,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:11,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:11,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-10-21 19:25:11,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:11,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:11,644 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:11,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-21 19:25:11,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:11,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:11,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:11,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:11,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:11,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:11,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:11,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:11,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:11,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-10-21 19:25:11,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:11,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:11,676 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:11,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-21 19:25:11,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:11,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:11,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:11,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:11,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:11,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:11,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:11,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:11,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:11,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-10-21 19:25:11,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:11,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:11,707 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:11,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-21 19:25:11,709 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 [2021-10-21 19:25:11,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:11,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:11,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:11,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:11,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:11,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:11,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:11,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:11,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-10-21 19:25:11,738 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:11,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:11,738 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:11,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-21 19:25:11,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:11,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:11,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:11,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:11,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:11,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:11,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:11,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:11,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:11,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:11,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:11,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:11,778 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:11,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-21 19:25:11,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:11,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:11,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:11,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:11,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:11,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:11,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:11,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:11,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:11,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:11,807 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:11,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:11,808 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:11,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-21 19:25:11,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:11,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:11,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:11,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:11,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:11,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:11,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:11,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:11,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:11,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-10-21 19:25:11,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:11,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:11,838 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:11,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-21 19:25:11,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:11,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:11,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:11,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:11,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:11,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:11,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:11,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:11,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:11,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-10-21 19:25:11,868 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:11,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:11,869 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:11,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-21 19:25:11,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:11,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:11,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:11,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:11,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:11,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:11,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:11,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:11,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:11,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-10-21 19:25:11,903 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:11,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:11,904 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:11,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-21 19:25:11,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:11,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:11,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:11,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:11,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:11,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:25:11,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:25:11,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:11,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-10-21 19:25:11,944 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:11,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:11,945 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:11,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-21 19:25:11,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:11,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:11,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:11,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:11,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:11,955 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:25:11,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:25:11,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:12,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:12,010 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:12,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:12,011 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:12,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-21 19:25:12,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:12,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:12,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:12,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:12,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:12,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:12,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:12,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:12,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:12,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-10-21 19:25:12,041 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:12,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:12,042 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:12,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-21 19:25:12,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:12,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:12,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:12,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:12,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:12,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:12,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:12,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:12,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:12,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:12,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:12,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:12,075 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:12,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-21 19:25:12,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:12,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:12,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:12,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:12,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:12,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:12,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:12,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:12,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:12,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:12,111 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:12,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:12,112 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:12,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-21 19:25:12,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:12,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:12,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:12,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:12,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:12,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:12,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:12,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:12,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:12,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:12,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:12,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:12,150 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:12,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-21 19:25:12,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:12,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:12,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:12,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:12,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:12,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:12,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:12,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:12,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:12,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-10-21 19:25:12,182 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:12,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:12,183 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:12,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-21 19:25:12,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:12,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:12,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:12,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:12,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:12,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:12,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:12,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:12,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:12,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:12,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:12,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:12,214 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:12,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-21 19:25:12,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:12,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:12,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:12,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:12,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:12,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:12,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:12,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:12,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:12,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:12,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:12,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:12,246 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:12,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-21 19:25:12,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:12,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:12,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:12,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:12,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:12,270 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:25:12,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:25:12,296 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:25:12,352 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-21 19:25:12,352 INFO L444 ModelExtractionUtils]: 15 out of 76 variables were initially zero. Simplification set additionally 57 variables to zero. [2021-10-21 19:25:12,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:12,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:12,355 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:12,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-21 19:25:12,356 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:25:12,364 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:25:12,364 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:25:12,364 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_2, ULTIMATE.start_strcspn_~reject.offset) = -1*ULTIMATE.start_strcspn_~i~0 + 1*v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_2 - 1*ULTIMATE.start_strcspn_~reject.offset Supporting invariants [] [2021-10-21 19:25:12,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:12,532 INFO L297 tatePredicateManager]: 40 out of 40 supporting invariants were superfluous and have been removed [2021-10-21 19:25:12,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:25:12,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:25:12,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:25:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:25:12,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:25:12,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:25:12,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:25:12,718 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:25:12,718 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 57 states and 68 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:25:12,744 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 57 states and 68 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 84 states and 98 transitions. Complement of second has 5 states. [2021-10-21 19:25:12,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:25:12,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:25:12,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2021-10-21 19:25:12,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 22 letters. Loop has 4 letters. [2021-10-21 19:25:12,746 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:25:12,746 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 26 letters. Loop has 4 letters. [2021-10-21 19:25:12,746 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:25:12,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 22 letters. Loop has 8 letters. [2021-10-21 19:25:12,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:25:12,747 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 98 transitions. [2021-10-21 19:25:12,748 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:25:12,749 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 68 states and 80 transitions. [2021-10-21 19:25:12,749 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-21 19:25:12,749 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-21 19:25:12,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 80 transitions. [2021-10-21 19:25:12,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:25:12,750 INFO L681 BuchiCegarLoop]: Abstraction has 68 states and 80 transitions. [2021-10-21 19:25:12,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 80 transitions. [2021-10-21 19:25:12,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 63. [2021-10-21 19:25:12,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.1746031746031746) internal successors, (74), 62 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:25:12,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2021-10-21 19:25:12,753 INFO L704 BuchiCegarLoop]: Abstraction has 63 states and 74 transitions. [2021-10-21 19:25:12,753 INFO L587 BuchiCegarLoop]: Abstraction has 63 states and 74 transitions. [2021-10-21 19:25:12,754 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-21 19:25:12,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 74 transitions. [2021-10-21 19:25:12,754 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:25:12,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:25:12,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:25:12,755 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:25:12,756 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:25:12,756 INFO L791 eck$LassoCheckResult]: Stem: 2857#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2834#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 2832#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 2833#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 2860#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 2858#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 2835#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2837#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 2827#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2828#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 2869#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2868#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 2867#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2865#L511-1 assume !strspn_#t~short7; 2863#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2861#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 2847#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 2848#L510-5 strspn_#res := strspn_~l~0; 2855#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 2856#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 2822#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2823#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2845#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2878#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 2859#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 2843#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 2824#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2826#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2844#L524-4 [2021-10-21 19:25:12,756 INFO L793 eck$LassoCheckResult]: Loop: 2844#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2841#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2818#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 2819#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 2844#L524-4 [2021-10-21 19:25:12,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:12,757 INFO L82 PathProgramCache]: Analyzing trace with hash -269478821, now seen corresponding path program 1 times [2021-10-21 19:25:12,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:25:12,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431055799] [2021-10-21 19:25:12,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:12,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:25:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:25:12,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:25:12,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:25:12,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431055799] [2021-10-21 19:25:12,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431055799] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:25:12,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389658908] [2021-10-21 19:25:12,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:12,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:25:12,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:12,925 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:25:12,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (103)] Waiting until timeout for monitored process [2021-10-21 19:25:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:25:13,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-21 19:25:13,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:25:13,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-10-21 19:25:13,361 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:25:13,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389658908] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:25:13,362 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:25:13,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 17 [2021-10-21 19:25:13,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34441888] [2021-10-21 19:25:13,362 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:25:13,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:13,363 INFO L82 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 5 times [2021-10-21 19:25:13,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:25:13,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820534940] [2021-10-21 19:25:13,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:13,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:25:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:13,369 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:25:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:13,372 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:25:13,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:25:13,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-21 19:25:13,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-10-21 19:25:13,493 INFO L87 Difference]: Start difference. First operand 63 states and 74 transitions. cyclomatic complexity: 17 Second operand has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:25:13,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:13,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:25:13,921 INFO L93 Difference]: Finished difference Result 142 states and 161 transitions. [2021-10-21 19:25:13,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-21 19:25:13,921 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 161 transitions. [2021-10-21 19:25:13,922 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 19:25:13,925 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 140 states and 159 transitions. [2021-10-21 19:25:13,925 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2021-10-21 19:25:13,925 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-10-21 19:25:13,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 159 transitions. [2021-10-21 19:25:13,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:25:13,925 INFO L681 BuchiCegarLoop]: Abstraction has 140 states and 159 transitions. [2021-10-21 19:25:13,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 159 transitions. [2021-10-21 19:25:13,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 66. [2021-10-21 19:25:13,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.1666666666666667) internal successors, (77), 65 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:25:13,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 77 transitions. [2021-10-21 19:25:13,929 INFO L704 BuchiCegarLoop]: Abstraction has 66 states and 77 transitions. [2021-10-21 19:25:13,929 INFO L587 BuchiCegarLoop]: Abstraction has 66 states and 77 transitions. [2021-10-21 19:25:13,929 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-21 19:25:13,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states and 77 transitions. [2021-10-21 19:25:13,930 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:25:13,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:25:13,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:25:13,930 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:25:13,931 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:25:13,931 INFO L791 eck$LassoCheckResult]: Stem: 3184#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3164#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 3162#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 3163#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 3187#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 3185#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 3165#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 3167#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 3157#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 3158#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 3197#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 3195#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 3194#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 3193#L511-1 assume !strspn_#t~short7; 3190#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 3188#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 3177#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 3178#L510-5 strspn_#res := strspn_~l~0; 3182#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 3183#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 3152#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 3153#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 3180#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3171#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3150#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 3151#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 3192#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3199#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 3186#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 3172#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 3154#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 3156#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 3173#L524-4 [2021-10-21 19:25:13,931 INFO L793 eck$LassoCheckResult]: Loop: 3173#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3170#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3148#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 3149#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 3173#L524-4 [2021-10-21 19:25:13,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:13,932 INFO L82 PathProgramCache]: Analyzing trace with hash 579815970, now seen corresponding path program 1 times [2021-10-21 19:25:13,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:25:13,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194987092] [2021-10-21 19:25:13,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:13,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:25:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:13,948 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:25:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:13,970 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:25:13,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:13,970 INFO L82 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 6 times [2021-10-21 19:25:13,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:25:13,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178973480] [2021-10-21 19:25:13,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:13,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:25:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:13,976 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:25:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:13,979 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:25:13,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:13,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1474175145, now seen corresponding path program 2 times [2021-10-21 19:25:13,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:25:13,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652378089] [2021-10-21 19:25:13,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:13,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:25:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:13,995 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:25:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:14,017 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:25:17,126 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:25:17,126 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:25:17,127 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:25:17,127 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:25:17,127 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:25:17,127 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:17,127 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:25:17,127 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:25:17,127 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration14_Lasso [2021-10-21 19:25:17,127 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:25:17,127 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:25:17,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:17,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:17,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:17,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:17,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:17,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:17,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:17,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:17,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:17,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:18,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:19,690 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:25:19,690 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:25:19,690 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:19,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:19,691 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:19,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-21 19:25:19,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:19,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:19,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:19,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:19,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:19,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:19,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:19,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:19,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:19,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-10-21 19:25:19,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:19,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:19,722 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:19,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-21 19:25:19,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:19,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:19,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:19,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:19,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:19,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:19,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:19,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:19,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:19,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:19,751 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:19,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:19,752 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:19,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-21 19:25:19,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:19,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:19,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:19,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:19,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:19,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:25:19,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:25:19,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:19,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:19,783 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:19,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:19,784 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:19,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-21 19:25:19,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:19,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:19,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:19,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:19,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:19,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:19,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:19,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:19,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:19,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:19,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:19,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:19,815 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:19,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-21 19:25:19,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:19,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:19,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:19,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:19,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:19,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:19,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:19,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:19,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:19,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:19,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:19,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:19,846 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:19,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-21 19:25:19,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:19,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:19,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:19,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:19,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:19,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:19,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:19,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:19,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:19,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:19,876 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:19,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:19,876 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:19,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-21 19:25:19,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:19,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:19,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:19,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:19,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:19,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:19,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:19,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:19,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:19,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-10-21 19:25:19,906 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:19,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:19,907 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:19,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-21 19:25:19,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:19,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:19,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:19,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:19,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:19,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:19,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:19,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:19,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:19,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:19,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:19,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:19,941 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:19,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-21 19:25:19,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:19,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:19,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:19,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:19,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:19,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:19,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:19,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:19,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:19,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-10-21 19:25:19,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:19,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:19,974 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:19,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-21 19:25:19,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:19,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:19,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:19,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:19,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:19,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:25:19,985 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:25:20,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:20,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-10-21 19:25:20,044 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:20,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:20,044 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:20,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-21 19:25:20,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:20,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:20,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:20,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:20,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:20,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:25:20,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:25:20,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:20,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-10-21 19:25:20,083 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:20,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:20,084 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:20,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-21 19:25:20,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:20,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:20,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:20,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:20,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:20,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:25:20,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:25:20,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:20,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:20,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:20,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:20,121 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:20,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-21 19:25:20,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:20,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:20,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:20,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:20,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:20,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:25:20,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:25:20,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:20,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-10-21 19:25:20,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:20,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:20,158 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:20,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-21 19:25:20,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:20,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:20,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:20,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:20,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:20,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:25:20,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:25:20,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:20,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-10-21 19:25:20,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:20,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:20,193 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:20,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-21 19:25:20,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:20,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:20,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:20,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:20,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:20,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:25:20,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:25:20,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:20,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-10-21 19:25:20,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:20,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:20,226 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:20,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-10-21 19:25:20,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:20,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:20,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:20,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:20,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:20,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:25:20,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:25:20,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:20,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-10-21 19:25:20,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:20,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:20,259 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:20,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-10-21 19:25:20,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:20,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:20,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:20,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:20,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:20,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:25:20,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:25:20,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:20,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:20,294 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:20,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:20,295 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:20,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-10-21 19:25:20,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:20,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:20,303 INFO L203 nArgumentSynthesizer]: 12 stem disjuncts [2021-10-21 19:25:20,303 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-10-21 19:25:20,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:20,361 INFO L401 nArgumentSynthesizer]: We have 136 Motzkin's Theorem applications. [2021-10-21 19:25:20,361 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-10-21 19:25:20,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:20,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:20,541 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:20,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:20,543 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:20,552 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 [2021-10-21 19:25:20,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:20,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:20,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:20,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:20,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:20,563 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:20,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:20,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-10-21 19:25:20,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:20,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:20,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:20,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:20,608 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:20,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:20,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:20,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:20,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:20,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:20,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:25:20,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:25:20,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-10-21 19:25:20,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:20,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:20,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:20,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:20,678 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:20,680 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 [2021-10-21 19:25:20,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:20,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:25:20,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:20,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:20,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:20,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:25:20,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:25:20,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-10-21 19:25:20,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:25:20,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:20,741 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:20,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:20,742 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:20,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:25:20,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:25:20,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:25:20,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:25:20,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:25:20,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-10-21 19:25:20,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:25:20,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:25:20,815 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:25:20,848 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-21 19:25:20,848 INFO L444 ModelExtractionUtils]: 78 out of 85 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-10-21 19:25:20,849 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:20,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:20,850 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:25:20,852 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:25:20,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-10-21 19:25:20,872 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:25:20,873 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:25:20,873 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_3) = -2*ULTIMATE.start_strcspn_~i~0 + 3*v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_3 Supporting invariants [] [2021-10-21 19:25:20,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:20,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2021-10-21 19:25:21,171 INFO L297 tatePredicateManager]: 41 out of 43 supporting invariants were superfluous and have been removed [2021-10-21 19:25:21,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:25:21,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-21 19:25:21,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:25:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:25:21,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:25:21,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:25:22,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:25:22,016 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 3 loop predicates [2021-10-21 19:25:22,016 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17 Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:25:22,194 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17. Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 81 states and 94 transitions. Complement of second has 8 states. [2021-10-21 19:25:22,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-21 19:25:22,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:25:22,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 40 transitions. [2021-10-21 19:25:22,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 40 transitions. Stem has 32 letters. Loop has 4 letters. [2021-10-21 19:25:22,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:25:22,195 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:25:22,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:25:22,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-21 19:25:22,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:25:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:25:22,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:25:22,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:25:22,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:25:22,979 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 3 loop predicates [2021-10-21 19:25:22,979 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17 Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:25:23,211 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 81 states and 94 transitions. Complement of second has 9 states. [2021-10-21 19:25:23,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 7 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-21 19:25:23,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:25:23,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 40 transitions. [2021-10-21 19:25:23,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 32 letters. Loop has 4 letters. [2021-10-21 19:25:23,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:25:23,213 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:25:23,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:25:23,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-21 19:25:23,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:25:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:25:23,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:25:23,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:25:23,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:25:23,906 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 3 loop predicates [2021-10-21 19:25:23,906 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17 Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:25:24,175 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 133 states and 153 transitions. Complement of second has 16 states. [2021-10-21 19:25:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2021-10-21 19:25:24,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:25:24,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 82 transitions. [2021-10-21 19:25:24,177 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 82 transitions. Stem has 32 letters. Loop has 4 letters. [2021-10-21 19:25:24,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:25:24,178 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 82 transitions. Stem has 36 letters. Loop has 4 letters. [2021-10-21 19:25:24,178 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:25:24,178 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 82 transitions. Stem has 32 letters. Loop has 8 letters. [2021-10-21 19:25:24,178 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:25:24,179 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 133 states and 153 transitions. [2021-10-21 19:25:24,180 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 19:25:24,181 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 133 states to 119 states and 136 transitions. [2021-10-21 19:25:24,181 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2021-10-21 19:25:24,182 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-10-21 19:25:24,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 136 transitions. [2021-10-21 19:25:24,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:25:24,182 INFO L681 BuchiCegarLoop]: Abstraction has 119 states and 136 transitions. [2021-10-21 19:25:24,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states and 136 transitions. [2021-10-21 19:25:24,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 90. [2021-10-21 19:25:24,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 90 states have (on average 1.1555555555555554) internal successors, (104), 89 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:25:24,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2021-10-21 19:25:24,186 INFO L704 BuchiCegarLoop]: Abstraction has 90 states and 104 transitions. [2021-10-21 19:25:24,186 INFO L587 BuchiCegarLoop]: Abstraction has 90 states and 104 transitions. [2021-10-21 19:25:24,186 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-21 19:25:24,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 104 transitions. [2021-10-21 19:25:24,187 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:25:24,187 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:25:24,187 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:25:24,188 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:25:24,189 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:25:24,189 INFO L791 eck$LassoCheckResult]: Stem: 4163#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 4138#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 4136#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 4137#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 4167#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 4164#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 4139#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 4140#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 4185#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 4184#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 4179#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 4180#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 4158#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 4159#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 4142#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 4143#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 4133#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 4135#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 4181#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 4169#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 4170#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 4154#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 4155#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 4182#L510-1 assume !(0 != strspn_#t~mem10);havoc strspn_#t~mem10; 4183#L510-5 strspn_#res := strspn_~l~0; 4201#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 4200#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 4128#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 4129#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 4213#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4212#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4126#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 4127#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 4211#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4209#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 4166#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 4148#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 4149#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 4150#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 4151#L524-4 [2021-10-21 19:25:24,189 INFO L793 eck$LassoCheckResult]: Loop: 4151#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4145#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4124#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 4125#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 4151#L524-4 [2021-10-21 19:25:24,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:24,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1481576100, now seen corresponding path program 1 times [2021-10-21 19:25:24,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:25:24,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42675081] [2021-10-21 19:25:24,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:24,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:25:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:25:24,505 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 19:25:24,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:25:24,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42675081] [2021-10-21 19:25:24,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42675081] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:25:24,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923253121] [2021-10-21 19:25:24,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:24,506 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:25:24,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:25:24,507 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:25:24,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (127)] Waiting until timeout for monitored process [2021-10-21 19:25:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:25:24,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 56 conjunts are in the unsatisfiable core [2021-10-21 19:25:24,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:25:24,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-10-21 19:25:52,755 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-10-21 19:25:52,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 30 [2021-10-21 19:25:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 19:25:52,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923253121] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:25:52,793 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:25:52,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 26 [2021-10-21 19:25:52,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869335726] [2021-10-21 19:25:52,795 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:25:52,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:52,796 INFO L82 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 7 times [2021-10-21 19:25:52,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:25:52,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431734840] [2021-10-21 19:25:52,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:52,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:25:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:52,836 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:25:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:52,840 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:25:52,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:25:52,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-10-21 19:25:52,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=566, Unknown=3, NotChecked=0, Total=650 [2021-10-21 19:25:52,926 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. cyclomatic complexity: 22 Second operand has 26 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 26 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:25:53,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:25:53,817 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2021-10-21 19:25:53,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-21 19:25:53,817 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 138 states and 159 transitions. [2021-10-21 19:25:53,818 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:25:53,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 138 states to 133 states and 154 transitions. [2021-10-21 19:25:53,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2021-10-21 19:25:53,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2021-10-21 19:25:53,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 133 states and 154 transitions. [2021-10-21 19:25:53,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:25:53,821 INFO L681 BuchiCegarLoop]: Abstraction has 133 states and 154 transitions. [2021-10-21 19:25:53,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states and 154 transitions. [2021-10-21 19:25:53,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 101. [2021-10-21 19:25:53,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 101 states have (on average 1.1584158415841583) internal successors, (117), 100 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:25:53,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2021-10-21 19:25:53,826 INFO L704 BuchiCegarLoop]: Abstraction has 101 states and 117 transitions. [2021-10-21 19:25:53,826 INFO L587 BuchiCegarLoop]: Abstraction has 101 states and 117 transitions. [2021-10-21 19:25:53,826 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-21 19:25:53,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 117 transitions. [2021-10-21 19:25:53,827 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:25:53,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:25:53,828 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:25:53,829 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:25:53,829 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:25:53,836 INFO L791 eck$LassoCheckResult]: Stem: 4558#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 4533#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 4531#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 4532#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 4564#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 4559#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 4534#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 4535#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 4611#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 4612#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 4606#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 4607#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 4617#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 4548#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 4549#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 4538#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 4526#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 4527#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 4600#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 4599#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 4598#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 4571#L511-1 assume !strspn_#t~short7; 4567#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 4565#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 4550#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 4551#L510-5 strspn_#res := strspn_~l~0; 4556#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 4557#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 4523#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 4524#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 4547#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4597#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4521#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 4522#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 4596#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4577#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 4575#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 4543#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 4544#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 4545#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 4546#L524-4 [2021-10-21 19:25:53,836 INFO L793 eck$LassoCheckResult]: Loop: 4546#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4540#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4519#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 4520#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 4546#L524-4 [2021-10-21 19:25:53,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:53,837 INFO L82 PathProgramCache]: Analyzing trace with hash -760734412, now seen corresponding path program 1 times [2021-10-21 19:25:53,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:25:53,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471417890] [2021-10-21 19:25:53,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:53,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:25:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:53,881 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:25:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:53,911 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:25:53,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:53,912 INFO L82 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 8 times [2021-10-21 19:25:53,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:25:53,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496708599] [2021-10-21 19:25:53,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:53,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:25:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:53,920 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:25:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:53,923 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:25:53,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:25:53,924 INFO L82 PathProgramCache]: Analyzing trace with hash -632087877, now seen corresponding path program 2 times [2021-10-21 19:25:53,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:25:53,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624465207] [2021-10-21 19:25:53,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:25:53,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:25:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:53,981 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:25:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:25:54,020 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:25:58,443 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:25:58,443 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:25:58,443 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:25:58,443 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:25:58,443 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:25:58,444 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:25:58,444 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:25:58,444 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:25:58,444 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration16_Lasso [2021-10-21 19:25:58,444 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:25:58,444 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:25:58,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:58,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:59,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:59,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:59,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:59,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:59,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:59,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:59,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:59,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:59,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:59,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:59,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:59,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:59,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:25:59,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:01,548 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:26:01,549 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:26:01,549 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:01,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:01,552 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:01,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-10-21 19:26:01,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:01,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:01,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:01,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:01,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:01,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:01,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:01,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:01,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:01,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:01,587 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:01,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:01,588 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:01,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-10-21 19:26:01,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:01,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:01,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:01,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:01,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:01,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:01,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:01,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:01,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:01,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:01,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:01,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:01,619 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:01,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-10-21 19:26:01,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:01,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:01,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:01,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:01,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:01,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:01,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:01,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:01,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:01,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2021-10-21 19:26:01,650 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:01,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:01,651 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:01,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-10-21 19:26:01,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:01,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:01,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:01,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:01,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:01,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:01,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:01,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:01,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:01,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2021-10-21 19:26:01,682 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:01,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:01,683 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:01,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-10-21 19:26:01,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:01,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:01,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:01,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:01,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:01,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:01,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:01,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:01,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:01,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:01,716 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:01,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:01,717 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:01,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-10-21 19:26:01,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:01,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:01,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:01,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:01,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:01,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:01,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:01,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:01,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:01,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:01,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:01,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:01,748 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:01,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-10-21 19:26:01,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:01,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:01,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:01,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:01,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:01,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:01,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:01,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:01,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:01,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2021-10-21 19:26:01,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:01,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:01,778 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:01,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-10-21 19:26:01,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:01,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:01,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:01,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:01,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:01,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:01,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:01,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:01,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:01,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2021-10-21 19:26:01,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:01,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:01,810 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:01,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-10-21 19:26:01,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:01,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:01,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:01,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:01,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:01,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:01,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:01,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:01,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:01,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:01,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:01,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:01,842 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:01,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-10-21 19:26:01,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:01,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:01,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:01,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:01,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:01,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:01,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:01,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:01,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:01,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:01,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:01,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:01,873 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:01,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:01,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-10-21 19:26:01,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:01,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:01,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:01,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:01,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:01,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:01,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:01,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:01,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:01,904 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:01,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:01,904 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:01,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-10-21 19:26:01,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:01,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:01,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:01,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:01,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:01,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:01,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:01,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:01,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:01,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:01,934 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:01,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:01,935 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:01,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-10-21 19:26:01,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:01,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:01,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:01,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:01,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:01,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:01,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:01,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:01,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:01,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:01,966 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:01,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:01,967 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:01,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-10-21 19:26:01,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:01,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:01,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:01,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:01,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:01,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:01,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:01,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:01,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:01,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2021-10-21 19:26:01,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:01,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:01,998 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:01,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-10-21 19:26:01,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:02,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:02,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:02,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:02,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:02,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:02,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:02,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:02,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:02,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2021-10-21 19:26:02,027 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:02,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:02,027 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:02,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-10-21 19:26:02,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:02,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:02,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:02,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:02,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:02,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:02,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:02,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:02,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:02,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:02,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:02,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:02,058 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:02,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-10-21 19:26:02,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:02,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:02,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:02,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:02,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:02,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:02,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:02,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:02,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:02,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2021-10-21 19:26:02,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:02,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:02,087 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:02,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-10-21 19:26:02,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:02,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:02,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:02,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:02,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:02,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:02,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:02,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:02,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:02,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2021-10-21 19:26:02,115 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:02,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:02,116 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:02,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-10-21 19:26:02,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:02,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:02,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:02,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:02,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:02,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:02,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:02,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:02,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2021-10-21 19:26:02,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:02,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:02,169 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:02,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-10-21 19:26:02,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:02,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:02,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:02,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:02,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:02,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:02,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:02,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:02,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:02,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:02,200 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:02,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:02,200 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:02,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-10-21 19:26:02,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:02,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:02,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:02,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:02,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:02,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:02,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:02,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:02,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:02,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2021-10-21 19:26:02,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:02,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:02,231 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:02,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-10-21 19:26:02,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:02,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:02,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:02,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:02,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:02,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:02,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:02,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:02,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:02,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2021-10-21 19:26:02,259 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:02,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:02,260 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:02,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-10-21 19:26:02,261 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 [2021-10-21 19:26:02,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:02,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:02,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:02,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:02,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:02,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:02,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:02,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:02,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:02,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:02,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:02,289 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:02,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-10-21 19:26:02,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:02,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:02,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:02,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:02,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:02,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:02,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:02,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:02,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:02,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2021-10-21 19:26:02,320 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:02,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:02,320 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:02,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-10-21 19:26:02,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:02,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:02,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:02,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:02,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:02,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:02,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:02,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:02,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:02,420 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:02,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:02,421 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:02,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:02,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:02,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:02,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:02,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:02,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:02,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:02,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-10-21 19:26:02,482 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:26:02,573 INFO L443 ModelExtractionUtils]: Simplification made 28 calls to the SMT solver. [2021-10-21 19:26:02,573 INFO L444 ModelExtractionUtils]: 47 out of 73 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-10-21 19:26:02,574 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:02,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:02,579 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:02,581 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:26:02,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-10-21 19:26:02,612 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:26:02,612 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:26:02,612 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, ULTIMATE.start_strcspn_#in~s.offset, v_rep(select #length ULTIMATE.start_strspn_~a~0.base)_6) = -2*ULTIMATE.start_strcspn_~i~0 - 2*ULTIMATE.start_strcspn_#in~s.offset + 3*v_rep(select #length ULTIMATE.start_strspn_~a~0.base)_6 Supporting invariants [] [2021-10-21 19:26:02,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:03,016 INFO L297 tatePredicateManager]: 62 out of 64 supporting invariants were superfluous and have been removed [2021-10-21 19:26:03,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:03,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 47 conjunts are in the unsatisfiable core [2021-10-21 19:26:03,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:03,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:03,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 19:26:03,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:04,088 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 2 loop predicates [2021-10-21 19:26:04,088 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 117 transitions. cyclomatic complexity: 25 Second operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:04,530 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 117 transitions. cyclomatic complexity: 25. Second operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 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 138 states and 159 transitions. Complement of second has 14 states. [2021-10-21 19:26:04,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 9 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-21 19:26:04,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:04,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 62 transitions. [2021-10-21 19:26:04,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 62 transitions. Stem has 40 letters. Loop has 4 letters. [2021-10-21 19:26:04,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:04,531 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:26:04,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:04,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 47 conjunts are in the unsatisfiable core [2021-10-21 19:26:04,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:05,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 19:26:05,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:05,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:05,725 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.9 stem predicates 2 loop predicates [2021-10-21 19:26:05,725 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 117 transitions. cyclomatic complexity: 25 Second operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:06,129 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 117 transitions. cyclomatic complexity: 25. Second operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 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 138 states and 159 transitions. Complement of second has 14 states. [2021-10-21 19:26:06,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 9 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-21 19:26:06,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:06,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 62 transitions. [2021-10-21 19:26:06,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 62 transitions. Stem has 40 letters. Loop has 4 letters. [2021-10-21 19:26:06,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:06,130 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:26:06,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:06,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 47 conjunts are in the unsatisfiable core [2021-10-21 19:26:06,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:06,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 19:26:06,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:07,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:07,016 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.9 stem predicates 2 loop predicates [2021-10-21 19:26:07,016 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 117 transitions. cyclomatic complexity: 25 Second operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:07,381 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 117 transitions. cyclomatic complexity: 25. Second operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 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 156 states and 181 transitions. Complement of second has 13 states. [2021-10-21 19:26:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 9 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-21 19:26:07,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:07,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 78 transitions. [2021-10-21 19:26:07,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 78 transitions. Stem has 40 letters. Loop has 4 letters. [2021-10-21 19:26:07,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:07,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 78 transitions. Stem has 44 letters. Loop has 4 letters. [2021-10-21 19:26:07,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:07,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 78 transitions. Stem has 40 letters. Loop has 8 letters. [2021-10-21 19:26:07,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:07,384 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 181 transitions. [2021-10-21 19:26:07,385 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:26:07,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 103 states and 118 transitions. [2021-10-21 19:26:07,387 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2021-10-21 19:26:07,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2021-10-21 19:26:07,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 118 transitions. [2021-10-21 19:26:07,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:26:07,387 INFO L681 BuchiCegarLoop]: Abstraction has 103 states and 118 transitions. [2021-10-21 19:26:07,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 118 transitions. [2021-10-21 19:26:07,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2021-10-21 19:26:07,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 101 states have (on average 1.1485148514851484) internal successors, (116), 100 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:07,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 116 transitions. [2021-10-21 19:26:07,394 INFO L704 BuchiCegarLoop]: Abstraction has 101 states and 116 transitions. [2021-10-21 19:26:07,394 INFO L587 BuchiCegarLoop]: Abstraction has 101 states and 116 transitions. [2021-10-21 19:26:07,394 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-10-21 19:26:07,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 116 transitions. [2021-10-21 19:26:07,395 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:26:07,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:26:07,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:26:07,396 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:26:07,396 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:26:07,397 INFO L791 eck$LassoCheckResult]: Stem: 5890#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 5867#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 5865#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 5866#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 5895#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 5891#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 5868#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 5870#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 5947#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 5945#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 5900#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 5885#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 5886#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 5903#L511-1 assume !strspn_#t~short7; 5904#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 5896#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 5882#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 5883#L510-5 strspn_#res := strspn_~l~0; 5943#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 5892#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 5893#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 5942#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 5941#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 5938#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 5940#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 5939#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 5937#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 5935#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 5934#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 5876#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 5859#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 5858#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 5953#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 5949#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 5952#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 5950#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 5948#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 5874#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 5875#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 5894#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 5907#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 5877#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 5878#L524-4 [2021-10-21 19:26:07,397 INFO L793 eck$LassoCheckResult]: Loop: 5878#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 5873#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 5853#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 5854#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 5878#L524-4 [2021-10-21 19:26:07,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:07,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1233200621, now seen corresponding path program 3 times [2021-10-21 19:26:07,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:07,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805964728] [2021-10-21 19:26:07,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:07,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:07,433 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:26:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:07,478 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:26:07,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:07,480 INFO L82 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 9 times [2021-10-21 19:26:07,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:07,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477360435] [2021-10-21 19:26:07,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:07,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:07,488 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:26:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:07,491 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:26:07,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:07,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1219645466, now seen corresponding path program 4 times [2021-10-21 19:26:07,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:07,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480673120] [2021-10-21 19:26:07,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:07,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:07,524 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:26:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:07,563 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:26:11,629 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:26:11,629 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:26:11,629 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:26:11,629 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:26:11,629 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:26:11,629 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:11,629 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:26:11,629 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:26:11,629 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration17_Lasso [2021-10-21 19:26:11,629 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:26:11,629 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:26:11,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:11,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:12,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:13,317 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-10-21 19:26:15,023 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:26:15,023 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:26:15,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,036 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-10-21 19:26:15,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:15,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,102 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-10-21 19:26:15,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:15,142 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,143 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-10-21 19:26:15,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2021-10-21 19:26:15,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,174 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-10-21 19:26:15,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:15,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,205 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-10-21 19:26:15,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:15,253 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,254 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-10-21 19:26:15,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2021-10-21 19:26:15,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,285 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2021-10-21 19:26:15,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2021-10-21 19:26:15,316 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,316 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2021-10-21 19:26:15,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:15,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,353 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2021-10-21 19:26:15,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:15,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:15,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2021-10-21 19:26:15,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,392 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2021-10-21 19:26:15,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2021-10-21 19:26:15,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,430 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2021-10-21 19:26:15,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:15,466 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,466 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2021-10-21 19:26:15,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2021-10-21 19:26:15,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,501 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2021-10-21 19:26:15,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2021-10-21 19:26:15,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,535 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2021-10-21 19:26:15,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2021-10-21 19:26:15,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,568 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2021-10-21 19:26:15,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Ended with exit code 0 [2021-10-21 19:26:15,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,599 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2021-10-21 19:26:15,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2021-10-21 19:26:15,634 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,635 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2021-10-21 19:26:15,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:15,671 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,672 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2021-10-21 19:26:15,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Ended with exit code 0 [2021-10-21 19:26:15,709 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,709 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2021-10-21 19:26:15,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2021-10-21 19:26:15,743 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,744 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2021-10-21 19:26:15,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:15,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:15,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:15,779 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,780 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2021-10-21 19:26:15,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:15,792 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:15,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Ended with exit code 0 [2021-10-21 19:26:15,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,823 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2021-10-21 19:26:15,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:15,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:15,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:15,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,863 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2021-10-21 19:26:15,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,874 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:15,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:15,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Ended with exit code 0 [2021-10-21 19:26:15,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,902 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2021-10-21 19:26:15,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:15,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:15,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:15,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Ended with exit code 0 [2021-10-21 19:26:15,935 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,936 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2021-10-21 19:26:15,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:15,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:15,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:15,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:15,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2021-10-21 19:26:15,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:15,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:15,977 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:15,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2021-10-21 19:26:15,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:15,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:15,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:15,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:15,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:16,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:16,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:16,035 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:26:16,108 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2021-10-21 19:26:16,108 INFO L444 ModelExtractionUtils]: 67 out of 88 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-10-21 19:26:16,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:16,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:16,109 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:16,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2021-10-21 19:26:16,110 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:26:16,119 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:26:16,119 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:26:16,120 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_5) = -2*ULTIMATE.start_strcspn_~i~0 + 5*v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_5 Supporting invariants [] [2021-10-21 19:26:16,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:16,330 INFO L297 tatePredicateManager]: 41 out of 42 supporting invariants were superfluous and have been removed [2021-10-21 19:26:16,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:16,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-21 19:26:16,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:16,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:17,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:26:17,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:17,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:17,176 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 3 loop predicates [2021-10-21 19:26:17,177 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 116 transitions. cyclomatic complexity: 24 Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:17,412 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 116 transitions. cyclomatic complexity: 24. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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 103 states and 118 transitions. Complement of second has 9 states. [2021-10-21 19:26:17,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 7 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-21 19:26:17,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:17,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 40 transitions. [2021-10-21 19:26:17,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 42 letters. Loop has 4 letters. [2021-10-21 19:26:17,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:17,414 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:26:17,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:17,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-21 19:26:17,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:18,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:26:18,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:18,278 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.9 stem predicates 3 loop predicates [2021-10-21 19:26:18,278 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 116 transitions. cyclomatic complexity: 24 Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:18,469 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 116 transitions. cyclomatic complexity: 24. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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 103 states and 118 transitions. Complement of second has 9 states. [2021-10-21 19:26:18,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 7 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-21 19:26:18,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:18,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 40 transitions. [2021-10-21 19:26:18,470 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 42 letters. Loop has 4 letters. [2021-10-21 19:26:18,470 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:18,470 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:26:18,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:18,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-21 19:26:18,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:19,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:26:19,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:19,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:19,147 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.9 stem predicates 3 loop predicates [2021-10-21 19:26:19,148 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 116 transitions. cyclomatic complexity: 24 Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:19,497 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 116 transitions. cyclomatic complexity: 24. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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 154 states and 176 transitions. Complement of second has 18 states. [2021-10-21 19:26:19,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 9 stem states 2 non-accepting loop states 2 accepting loop states [2021-10-21 19:26:19,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:19,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 92 transitions. [2021-10-21 19:26:19,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 92 transitions. Stem has 42 letters. Loop has 4 letters. [2021-10-21 19:26:19,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:19,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 92 transitions. Stem has 46 letters. Loop has 4 letters. [2021-10-21 19:26:19,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:19,499 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 92 transitions. Stem has 42 letters. Loop has 8 letters. [2021-10-21 19:26:19,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:19,499 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 176 transitions. [2021-10-21 19:26:19,500 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 19:26:19,501 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 140 states and 159 transitions. [2021-10-21 19:26:19,501 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2021-10-21 19:26:19,501 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-10-21 19:26:19,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 159 transitions. [2021-10-21 19:26:19,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:26:19,502 INFO L681 BuchiCegarLoop]: Abstraction has 140 states and 159 transitions. [2021-10-21 19:26:19,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 159 transitions. [2021-10-21 19:26:19,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 111. [2021-10-21 19:26:19,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 111 states have (on average 1.1441441441441442) internal successors, (127), 110 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:19,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 127 transitions. [2021-10-21 19:26:19,508 INFO L704 BuchiCegarLoop]: Abstraction has 111 states and 127 transitions. [2021-10-21 19:26:19,509 INFO L587 BuchiCegarLoop]: Abstraction has 111 states and 127 transitions. [2021-10-21 19:26:19,509 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-10-21 19:26:19,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states and 127 transitions. [2021-10-21 19:26:19,509 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:26:19,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:26:19,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:26:19,513 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:26:19,513 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:26:19,513 INFO L791 eck$LassoCheckResult]: Stem: 7063#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7040#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 7038#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 7039#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 7068#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 7065#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 7041#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 7042#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 7035#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 7036#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 7102#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 7070#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 7058#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 7055#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 7044#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 7045#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 7097#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 7096#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 7095#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 7094#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 7093#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 7092#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 7089#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 7080#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 7086#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 7085#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 7084#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 7083#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 7082#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 7081#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 7079#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 7076#L510-1 assume !(0 != strspn_#t~mem10);havoc strspn_#t~mem10; 7077#L510-5 strspn_#res := strspn_~l~0; 7116#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 7115#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 7030#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 7031#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 7136#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7135#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7028#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 7029#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 7134#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7132#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 7066#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 7067#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 7101#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 7051#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 7052#L524-4 [2021-10-21 19:26:19,514 INFO L793 eck$LassoCheckResult]: Loop: 7052#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7046#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7026#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 7027#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 7052#L524-4 [2021-10-21 19:26:19,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:19,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1022885038, now seen corresponding path program 2 times [2021-10-21 19:26:19,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:19,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680012410] [2021-10-21 19:26:19,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:19,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:19,940 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 19:26:19,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:19,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680012410] [2021-10-21 19:26:19,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680012410] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:26:19,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410664755] [2021-10-21 19:26:19,941 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:26:19,942 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:26:19,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:19,943 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:26:19,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (182)] Waiting until timeout for monitored process [2021-10-21 19:26:20,717 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 19:26:20,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:26:20,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 55 conjunts are in the unsatisfiable core [2021-10-21 19:26:20,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:20,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-10-21 19:26:29,812 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-10-21 19:26:29,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 16 [2021-10-21 19:26:29,858 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-21 19:26:29,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410664755] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:26:29,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:26:29,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 29 [2021-10-21 19:26:29,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945946434] [2021-10-21 19:26:29,858 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:26:29,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:29,859 INFO L82 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 10 times [2021-10-21 19:26:29,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:29,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740791883] [2021-10-21 19:26:29,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:29,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:29,879 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:26:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:29,882 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:26:29,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:29,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-10-21 19:26:29,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=716, Unknown=1, NotChecked=0, Total=812 [2021-10-21 19:26:29,945 INFO L87 Difference]: Start difference. First operand 111 states and 127 transitions. cyclomatic complexity: 26 Second operand has 29 states, 29 states have (on average 2.7241379310344827) internal successors, (79), 29 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:30,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:30,826 INFO L93 Difference]: Finished difference Result 157 states and 180 transitions. [2021-10-21 19:26:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-21 19:26:30,827 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 157 states and 180 transitions. [2021-10-21 19:26:30,828 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:26:30,829 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 157 states to 154 states and 177 transitions. [2021-10-21 19:26:30,829 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2021-10-21 19:26:30,829 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2021-10-21 19:26:30,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 177 transitions. [2021-10-21 19:26:30,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:26:30,830 INFO L681 BuchiCegarLoop]: Abstraction has 154 states and 177 transitions. [2021-10-21 19:26:30,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states and 177 transitions. [2021-10-21 19:26:30,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 122. [2021-10-21 19:26:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 122 states have (on average 1.1475409836065573) internal successors, (140), 121 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:30,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 140 transitions. [2021-10-21 19:26:30,833 INFO L704 BuchiCegarLoop]: Abstraction has 122 states and 140 transitions. [2021-10-21 19:26:30,833 INFO L587 BuchiCegarLoop]: Abstraction has 122 states and 140 transitions. [2021-10-21 19:26:30,833 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-10-21 19:26:30,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 140 transitions. [2021-10-21 19:26:30,834 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:26:30,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:26:30,834 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:26:30,835 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:26:30,835 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:26:30,836 INFO L791 eck$LassoCheckResult]: Stem: 7523#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7503#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 7501#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 7502#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 7528#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 7526#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 7504#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 7505#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 7498#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 7499#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 7604#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 7530#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 7518#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 7515#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 7507#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 7508#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 7534#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 7603#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 7602#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 7600#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 7599#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 7598#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 7596#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 7533#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 7496#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 7497#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 7532#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 7519#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 7520#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 7536#L511-1 assume !strspn_#t~short7; 7531#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 7529#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 7516#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 7517#L510-5 strspn_#res := strspn_~l~0; 7537#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 7524#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 7525#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 7555#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 7553#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7550#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7551#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 7546#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 7547#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7542#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 7541#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 7540#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 7538#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 7512#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 7513#L524-4 [2021-10-21 19:26:30,836 INFO L793 eck$LassoCheckResult]: Loop: 7513#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7509#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7488#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 7489#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 7513#L524-4 [2021-10-21 19:26:30,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:30,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1089618362, now seen corresponding path program 3 times [2021-10-21 19:26:30,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:30,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937203659] [2021-10-21 19:26:30,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:30,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:30,880 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:26:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:30,906 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:26:30,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:30,906 INFO L82 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 11 times [2021-10-21 19:26:30,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:30,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363719782] [2021-10-21 19:26:30,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:30,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:30,952 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:26:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:30,955 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:26:30,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:30,955 INFO L82 PathProgramCache]: Analyzing trace with hash -369237299, now seen corresponding path program 4 times [2021-10-21 19:26:30,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:30,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716919924] [2021-10-21 19:26:30,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:30,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:31,020 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:26:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:31,058 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:26:35,539 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:26:35,539 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:26:35,539 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:26:35,539 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:26:35,539 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:26:35,539 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:35,539 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:26:35,539 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:26:35,540 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration19_Lasso [2021-10-21 19:26:35,540 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:26:35,540 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:26:35,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:36,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:38,281 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:26:38,284 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:26:38,284 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:38,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:38,285 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:38,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:38,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2021-10-21 19:26:38,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:38,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:38,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:38,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:38,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:38,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:38,385 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:26:38,462 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-21 19:26:38,462 INFO L444 ModelExtractionUtils]: 20 out of 82 variables were initially zero. Simplification set additionally 58 variables to zero. [2021-10-21 19:26:38,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:38,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:38,464 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:38,468 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:26:38,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2021-10-21 19:26:38,496 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 19:26:38,497 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:26:38,497 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_6) = -1*ULTIMATE.start_strcspn_~i~0 + 1*v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_6 Supporting invariants [1*ULTIMATE.start_strspn_~accept.offset >= 0] [2021-10-21 19:26:38,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:38,876 INFO L297 tatePredicateManager]: 68 out of 71 supporting invariants were superfluous and have been removed [2021-10-21 19:26:38,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:38,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-21 19:26:38,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:39,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:39,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 19:26:39,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:39,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:39,631 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2021-10-21 19:26:39,631 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 122 states and 140 transitions. cyclomatic complexity: 29 Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:39,985 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 122 states and 140 transitions. cyclomatic complexity: 29. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 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) Result 171 states and 195 transitions. Complement of second has 15 states. [2021-10-21 19:26:39,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 10 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-21 19:26:39,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:39,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 84 transitions. [2021-10-21 19:26:39,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 84 transitions. Stem has 48 letters. Loop has 4 letters. [2021-10-21 19:26:39,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:39,987 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:26:40,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:40,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-21 19:26:40,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:40,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 19:26:40,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:40,731 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 2 loop predicates [2021-10-21 19:26:40,732 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 122 states and 140 transitions. cyclomatic complexity: 29 Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:41,097 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 122 states and 140 transitions. cyclomatic complexity: 29. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 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) Result 171 states and 195 transitions. Complement of second has 15 states. [2021-10-21 19:26:41,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 10 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-21 19:26:41,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:41,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 84 transitions. [2021-10-21 19:26:41,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 84 transitions. Stem has 48 letters. Loop has 4 letters. [2021-10-21 19:26:41,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:41,101 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:26:41,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:41,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-21 19:26:41,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:41,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 19:26:41,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:41,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:41,896 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2021-10-21 19:26:41,896 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 122 states and 140 transitions. cyclomatic complexity: 29 Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:42,227 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 122 states and 140 transitions. cyclomatic complexity: 29. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 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) Result 213 states and 244 transitions. Complement of second has 15 states. [2021-10-21 19:26:42,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 10 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-21 19:26:42,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:42,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 108 transitions. [2021-10-21 19:26:42,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 108 transitions. Stem has 48 letters. Loop has 4 letters. [2021-10-21 19:26:42,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:42,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 108 transitions. Stem has 52 letters. Loop has 4 letters. [2021-10-21 19:26:42,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:42,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 108 transitions. Stem has 48 letters. Loop has 8 letters. [2021-10-21 19:26:42,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:42,229 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 213 states and 244 transitions. [2021-10-21 19:26:42,231 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 19:26:42,232 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 213 states to 160 states and 181 transitions. [2021-10-21 19:26:42,232 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2021-10-21 19:26:42,233 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-10-21 19:26:42,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 160 states and 181 transitions. [2021-10-21 19:26:42,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:26:42,233 INFO L681 BuchiCegarLoop]: Abstraction has 160 states and 181 transitions. [2021-10-21 19:26:42,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states and 181 transitions. [2021-10-21 19:26:42,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 122. [2021-10-21 19:26:42,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 122 states have (on average 1.139344262295082) internal successors, (139), 121 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:42,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 139 transitions. [2021-10-21 19:26:42,237 INFO L704 BuchiCegarLoop]: Abstraction has 122 states and 139 transitions. [2021-10-21 19:26:42,237 INFO L587 BuchiCegarLoop]: Abstraction has 122 states and 139 transitions. [2021-10-21 19:26:42,237 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-10-21 19:26:42,237 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 139 transitions. [2021-10-21 19:26:42,237 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:26:42,238 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:26:42,238 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:26:42,238 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:26:42,239 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:26:42,239 INFO L791 eck$LassoCheckResult]: Stem: 9110#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9087#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 9085#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 9086#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 9114#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 9112#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 9088#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 9090#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 9080#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 9081#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 9120#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 9106#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 9107#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 9123#L511-1 assume !strspn_#t~short7; 9124#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 9115#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 9116#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 9125#L510-5 strspn_#res := strspn_~l~0; 9108#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19 % 4294967296;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 9109#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 9111#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 9177#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 9187#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 9184#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 9186#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 9185#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 9183#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 9182#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 9180#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 9178#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 9176#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 9175#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 9174#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 9171#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 9173#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 9172#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 9170#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 9169#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 9113#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 9095#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 9079#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 9078#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 9194#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 9191#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 9193#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 9192#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 9190#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 9168#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 9167#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 9166#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 9165#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 9096#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 9097#L524-4 [2021-10-21 19:26:42,239 INFO L793 eck$LassoCheckResult]: Loop: 9097#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 9093#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 9073#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 9074#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 9097#L524-4 [2021-10-21 19:26:42,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:42,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1456730308, now seen corresponding path program 5 times [2021-10-21 19:26:42,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:42,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131062957] [2021-10-21 19:26:42,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:42,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:42,263 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:26:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:42,311 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:26:42,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:42,312 INFO L82 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 12 times [2021-10-21 19:26:42,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:42,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529049853] [2021-10-21 19:26:42,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:42,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:42,323 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:26:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:42,328 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:26:42,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:42,329 INFO L82 PathProgramCache]: Analyzing trace with hash -162879925, now seen corresponding path program 6 times [2021-10-21 19:26:42,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:42,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369785480] [2021-10-21 19:26:42,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:42,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:42,352 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:26:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:42,380 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:26:46,595 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:26:46,595 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:26:46,595 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:26:46,595 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:26:46,596 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:26:46,596 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:46,596 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:26:46,596 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:26:46,596 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration20_Lasso [2021-10-21 19:26:46,596 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:26:46,596 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:26:46,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:46,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:47,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:47,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:47,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:47,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:47,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:47,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:47,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:26:48,483 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-10-21 19:26:57,124 WARN L207 SmtUtils]: Spent 8.18 s on a formula simplification. DAG size of input: 301 DAG size of output: 153 [2021-10-21 19:26:57,181 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:26:57,181 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:26:57,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,196 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2021-10-21 19:26:57,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:57,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,269 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2021-10-21 19:26:57,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:57,304 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,304 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2021-10-21 19:26:57,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Ended with exit code 0 [2021-10-21 19:26:57,333 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,334 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2021-10-21 19:26:57,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Ended with exit code 0 [2021-10-21 19:26:57,365 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,365 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2021-10-21 19:26:57,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Ended with exit code 0 [2021-10-21 19:26:57,395 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,400 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2021-10-21 19:26:57,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Ended with exit code 0 [2021-10-21 19:26:57,432 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,433 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2021-10-21 19:26:57,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Ended with exit code 0 [2021-10-21 19:26:57,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,464 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2021-10-21 19:26:57,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:57,498 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,499 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2021-10-21 19:26:57,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Ended with exit code 0 [2021-10-21 19:26:57,527 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,528 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2021-10-21 19:26:57,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,536 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2021-10-21 19:26:57,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,556 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2021-10-21 19:26:57,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Ended with exit code 0 [2021-10-21 19:26:57,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,585 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2021-10-21 19:26:57,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Ended with exit code 0 [2021-10-21 19:26:57,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,614 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2021-10-21 19:26:57,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:57,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,644 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2021-10-21 19:26:57,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:57,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,673 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2021-10-21 19:26:57,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Ended with exit code 0 [2021-10-21 19:26:57,704 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,705 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2021-10-21 19:26:57,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Ended with exit code 0 [2021-10-21 19:26:57,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,738 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2021-10-21 19:26:57,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Ended with exit code 0 [2021-10-21 19:26:57,768 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,768 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2021-10-21 19:26:57,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Ended with exit code 0 [2021-10-21 19:26:57,796 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,797 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2021-10-21 19:26:57,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Ended with exit code 0 [2021-10-21 19:26:57,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,826 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:57,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:57,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2021-10-21 19:26:57,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Ended with exit code 0 [2021-10-21 19:26:57,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,892 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:57,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:57,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:57,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2021-10-21 19:26:57,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:57,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:57,971 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:57,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:57,972 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:57,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2021-10-21 19:26:57,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:57,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:57,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:57,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:57,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:57,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:58,000 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:58,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:58,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:58,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:58,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:58,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:58,046 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:58,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:58,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2021-10-21 19:26:58,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:58,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:58,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:58,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:58,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:58,063 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:58,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:58,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:58,113 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:58,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:58,114 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:58,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:58,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:58,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:58,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:58,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:58,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:58,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:58,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:58,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2021-10-21 19:26:58,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:58,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:58,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:58,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:58,177 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:58,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:58,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:58,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:58,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:58,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:58,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:58,188 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:58,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:58,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2021-10-21 19:26:58,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:58,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:58,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:58,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:58,239 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:58,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:58,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:58,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:58,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:58,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:58,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:58,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:58,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:58,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2021-10-21 19:26:58,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:58,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:58,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:58,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:58,300 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:58,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:58,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:58,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:58,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:58,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:58,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:58,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:58,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:58,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2021-10-21 19:26:58,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:58,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:58,360 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:58,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:58,361 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:58,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:58,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:58,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:58,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:58,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:58,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:58,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:58,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:58,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Waiting until timeout for monitored process [2021-10-21 19:26:58,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:58,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:58,424 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:58,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:58,426 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:58,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Waiting until timeout for monitored process [2021-10-21 19:26:58,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:58,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:58,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:58,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:58,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:58,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:58,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:58,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:58,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:58,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Ended with exit code 0 [2021-10-21 19:26:58,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:58,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:58,458 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:58,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Waiting until timeout for monitored process [2021-10-21 19:26:58,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:58,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:58,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:58,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:58,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:58,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:58,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:58,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:58,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:58,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Ended with exit code 0 [2021-10-21 19:26:58,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:58,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:58,492 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:58,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Waiting until timeout for monitored process [2021-10-21 19:26:58,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:58,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:58,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:26:58,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:58,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:58,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:58,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:26:58,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:26:58,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:58,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:58,524 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:58,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:58,524 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:58,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Waiting until timeout for monitored process [2021-10-21 19:26:58,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:58,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:58,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:58,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:58,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:58,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:58,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:58,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:58,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Ended with exit code 0 [2021-10-21 19:26:58,570 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:58,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:58,571 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:58,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Waiting until timeout for monitored process [2021-10-21 19:26:58,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:58,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:58,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:58,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:58,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:58,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:58,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:58,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:58,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Ended with exit code 0 [2021-10-21 19:26:58,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:58,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:58,602 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:58,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Waiting until timeout for monitored process [2021-10-21 19:26:58,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:58,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:58,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:58,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:58,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:58,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:58,612 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:58,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:58,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:58,634 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:58,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:58,634 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:58,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Waiting until timeout for monitored process [2021-10-21 19:26:58,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:58,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:58,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:58,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:58,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:58,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:58,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:58,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:58,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Ended with exit code 0 [2021-10-21 19:26:58,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:58,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:58,666 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:58,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Waiting until timeout for monitored process [2021-10-21 19:26:58,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:58,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:58,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:58,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:58,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:58,678 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:58,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:58,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:26:58,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Forceful destruction successful, exit code 0 [2021-10-21 19:26:58,728 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:58,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:58,730 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:58,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Waiting until timeout for monitored process [2021-10-21 19:26:58,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:26:58,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:26:58,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:26:58,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:26:58,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:26:58,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:26:58,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:26:58,789 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:26:58,905 INFO L443 ModelExtractionUtils]: Simplification made 34 calls to the SMT solver. [2021-10-21 19:26:58,905 INFO L444 ModelExtractionUtils]: 19 out of 85 variables were initially zero. Simplification set additionally 62 variables to zero. [2021-10-21 19:26:58,905 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:58,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:58,908 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:58,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2021-10-21 19:26:58,911 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:26:58,919 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:26:58,919 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:26:58,919 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_7, ULTIMATE.start_strcspn_~reject.offset) = -1*ULTIMATE.start_strcspn_~i~0 + 1*v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_7 - 1*ULTIMATE.start_strcspn_~reject.offset Supporting invariants [] [2021-10-21 19:26:58,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Ended with exit code 0 [2021-10-21 19:26:59,176 INFO L297 tatePredicateManager]: 62 out of 62 supporting invariants were superfluous and have been removed [2021-10-21 19:26:59,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:59,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:26:59,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:59,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:26:59,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:59,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:59,390 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:26:59,390 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 122 states and 139 transitions. cyclomatic complexity: 28 Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:59,400 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 122 states and 139 transitions. cyclomatic complexity: 28. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 151 states and 172 transitions. Complement of second has 5 states. [2021-10-21 19:26:59,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:26:59,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:59,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2021-10-21 19:26:59,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 52 letters. Loop has 4 letters. [2021-10-21 19:26:59,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:59,404 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:26:59,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:59,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:26:59,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:59,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:26:59,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:59,622 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:26:59,622 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 122 states and 139 transitions. cyclomatic complexity: 28 Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:59,638 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 122 states and 139 transitions. cyclomatic complexity: 28. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 151 states and 172 transitions. Complement of second has 5 states. [2021-10-21 19:26:59,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:26:59,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:59,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2021-10-21 19:26:59,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 52 letters. Loop has 4 letters. [2021-10-21 19:26:59,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:59,647 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:26:59,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:59,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:26:59,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:59,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:26:59,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:26:59,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:59,847 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:26:59,848 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 122 states and 139 transitions. cyclomatic complexity: 28 Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:59,880 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 122 states and 139 transitions. cyclomatic complexity: 28. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 156 states and 179 transitions. Complement of second has 4 states. [2021-10-21 19:26:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:26:59,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:59,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 40 transitions. [2021-10-21 19:26:59,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 52 letters. Loop has 4 letters. [2021-10-21 19:26:59,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:59,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 56 letters. Loop has 4 letters. [2021-10-21 19:26:59,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:59,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 52 letters. Loop has 8 letters. [2021-10-21 19:26:59,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:26:59,883 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 179 transitions. [2021-10-21 19:26:59,884 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:26:59,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 0 states and 0 transitions. [2021-10-21 19:26:59,884 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:26:59,884 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:26:59,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:26:59,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:26:59,885 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:26:59,885 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:26:59,885 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:26:59,885 INFO L425 BuchiCegarLoop]: ======== Iteration 21============ [2021-10-21 19:26:59,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:26:59,885 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:26:59,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:26:59,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:26:59 BoogieIcfgContainer [2021-10-21 19:26:59,891 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:26:59,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:26:59,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:26:59,892 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:26:59,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:23:51" (3/4) ... [2021-10-21 19:26:59,896 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:26:59,896 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:26:59,897 INFO L168 Benchmark]: Toolchain (without parser) took 189594.96 ms. Allocated memory was 111.1 MB in the beginning and 513.8 MB in the end (delta: 402.7 MB). Free memory was 66.8 MB in the beginning and 117.7 MB in the end (delta: -50.9 MB). Peak memory consumption was 349.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:59,897 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 111.1 MB. Free memory is still 84.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:26:59,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.72 ms. Allocated memory is still 111.1 MB. Free memory was 66.6 MB in the beginning and 77.0 MB in the end (delta: -10.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:59,898 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.91 ms. Allocated memory is still 111.1 MB. Free memory was 77.0 MB in the beginning and 74.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:59,898 INFO L168 Benchmark]: Boogie Preprocessor took 34.47 ms. Allocated memory is still 111.1 MB. Free memory was 74.8 MB in the beginning and 73.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:59,899 INFO L168 Benchmark]: RCFGBuilder took 443.39 ms. Allocated memory is still 111.1 MB. Free memory was 73.0 MB in the beginning and 58.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:59,899 INFO L168 Benchmark]: BuchiAutomizer took 188454.26 ms. Allocated memory was 111.1 MB in the beginning and 513.8 MB in the end (delta: 402.7 MB). Free memory was 58.3 MB in the beginning and 118.7 MB in the end (delta: -60.5 MB). Peak memory consumption was 341.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:59,899 INFO L168 Benchmark]: Witness Printer took 3.96 ms. Allocated memory is still 513.8 MB. Free memory was 118.7 MB in the beginning and 117.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:59,901 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 111.1 MB. Free memory is still 84.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 597.72 ms. Allocated memory is still 111.1 MB. Free memory was 66.6 MB in the beginning and 77.0 MB in the end (delta: -10.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.91 ms. Allocated memory is still 111.1 MB. Free memory was 77.0 MB in the beginning and 74.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.47 ms. Allocated memory is still 111.1 MB. Free memory was 74.8 MB in the beginning and 73.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 443.39 ms. Allocated memory is still 111.1 MB. Free memory was 73.0 MB in the beginning and 58.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 188454.26 ms. Allocated memory was 111.1 MB in the beginning and 513.8 MB in the end (delta: 402.7 MB). Free memory was 58.3 MB in the beginning and 118.7 MB in the end (delta: -60.5 MB). Peak memory consumption was 341.0 MB. Max. memory is 16.1 GB. * Witness Printer took 3.96 ms. Allocated memory is still 513.8 MB. Free memory was 118.7 MB in the beginning and 117.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 20 terminating modules (10 trivial, 4 deterministic, 6 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. One deterministic module has affine ranking function -1 * a + unknown-#length-unknown[__builtin_alloca (delim_len)] and consists of 5 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[s] and consists of 3 locations. One deterministic module has affine ranking function -1 * i + -1 * reject + unknown-#length-unknown[reject] and consists of 3 locations. One nondeterministic module has affine ranking function -1 * a + unknown-#length-unknown[__builtin_alloca (delim_len)] and consists of 5 locations. One nondeterministic module has affine ranking function -2 * i + 3 * unknown-#length-unknown[reject] and consists of 12 locations. One nondeterministic module has affine ranking function -2 * i + -2 * s + 3 * unknown-#length-unknown[a] and consists of 12 locations. One nondeterministic module has affine ranking function -2 * i + 5 * unknown-#length-unknown[reject] and consists of 13 locations. One nondeterministic module has affine ranking function -1 * i + unknown-#length-unknown[reject] and consists of 13 locations. One nondeterministic module has affine ranking function -1 * i + -1 * reject + unknown-#length-unknown[reject] and consists of 3 locations. 10 modules have a trivial ranking function, the largest among these consists of 29 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 188.4s and 21 iterations. TraceHistogramMax:6. Analysis of lassos took 164.4s. Construction of modules took 2.5s. Büchi inclusion checks took 21.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 17. Automata minimization 118.4ms AutomataMinimizationTime, 19 MinimizatonAttempts, 378 StatesRemovedByMinimization, 15 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 122 states and ocurred in iteration 18. Nontrivial modules had stage [4, 0, 6, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 914 SDtfs, 3131 SDslu, 2938 SDs, 0 SdLazy, 3316 SolverSat, 442 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2528.2ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU8 SILI1 SILT0 lasso10 LassoPreprocessingBenchmarks: Lassos: inital396 mio100 ax100 hnf99 lsp96 ukn75 mio100 lsp40 div110 bol100 ite100 ukn100 eq191 hnf85 smp97 dnf720 smp76 tf100 neg93 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 211ms VariablesStem: 5 VariablesLoop: 4 DisjunctsStem: 12 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 136 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:26:59,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Forceful destruction successful, exit code 0 [2021-10-21 19:27:00,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (182)] Ended with exit code 0 [2021-10-21 19:27:00,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (127)] Forceful destruction successful, exit code 0 [2021-10-21 19:27:00,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (103)] Forceful destruction successful, exit code 0 [2021-10-21 19:27:00,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Forceful destruction successful, exit code 0 [2021-10-21 19:27:00,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06ea8f-73f7-4bc4-8386-5b39c0d58757/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...