./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrspn_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrspn_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt --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 b0714679a57fe7287c2b60684006200e7d793859 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-12 23:59:03,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-12 23:59:03,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-12 23:59:03,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-12 23:59:03,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-12 23:59:03,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-12 23:59:03,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-12 23:59:04,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-12 23:59:04,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-12 23:59:04,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-12 23:59:04,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-12 23:59:04,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-12 23:59:04,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-12 23:59:04,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-12 23:59:04,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-12 23:59:04,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-12 23:59:04,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-12 23:59:04,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-12 23:59:04,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-12 23:59:04,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-12 23:59:04,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-12 23:59:04,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-12 23:59:04,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-12 23:59:04,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-12 23:59:04,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-12 23:59:04,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-12 23:59:04,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-12 23:59:04,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-12 23:59:04,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-12 23:59:04,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-12 23:59:04,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-12 23:59:04,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-12 23:59:04,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-12 23:59:04,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-12 23:59:04,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-12 23:59:04,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-12 23:59:04,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-12 23:59:04,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-12 23:59:04,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-12 23:59:04,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-12 23:59:04,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-12 23:59:04,071 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-12 23:59:04,113 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-12 23:59:04,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-12 23:59:04,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-12 23:59:04,114 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-12 23:59:04,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-12 23:59:04,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-12 23:59:04,115 INFO L138 SettingsManager]: * Use SBE=true [2021-10-12 23:59:04,115 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-12 23:59:04,116 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-12 23:59:04,116 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-12 23:59:04,116 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-12 23:59:04,116 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-12 23:59:04,116 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-12 23:59:04,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-12 23:59:04,117 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-12 23:59:04,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-12 23:59:04,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-12 23:59:04,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-12 23:59:04,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-12 23:59:04,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-12 23:59:04,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-12 23:59:04,118 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-12 23:59:04,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-12 23:59:04,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-12 23:59:04,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-12 23:59:04,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-12 23:59:04,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-12 23:59:04,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-12 23:59:04,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-12 23:59:04,120 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-12 23:59:04,121 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_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0714679a57fe7287c2b60684006200e7d793859 [2021-10-12 23:59:04,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-12 23:59:04,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-12 23:59:04,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-12 23:59:04,439 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-12 23:59:04,440 INFO L275 PluginConnector]: CDTParser initialized [2021-10-12 23:59:04,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-15/cstrspn_reverse_alloca.i [2021-10-12 23:59:04,527 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/data/1044c8975/b152e8fa5af247f3b8a44c227b6526bf/FLAG070d91cd0 [2021-10-12 23:59:05,113 INFO L306 CDTParser]: Found 1 translation units. [2021-10-12 23:59:05,114 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/sv-benchmarks/c/termination-15/cstrspn_reverse_alloca.i [2021-10-12 23:59:05,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/data/1044c8975/b152e8fa5af247f3b8a44c227b6526bf/FLAG070d91cd0 [2021-10-12 23:59:05,430 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/data/1044c8975/b152e8fa5af247f3b8a44c227b6526bf [2021-10-12 23:59:05,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-12 23:59:05,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-12 23:59:05,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:05,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-12 23:59:05,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-12 23:59:05,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:05" (1/1) ... [2021-10-12 23:59:05,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a24d2cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:05, skipping insertion in model container [2021-10-12 23:59:05,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:05" (1/1) ... [2021-10-12 23:59:05,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-12 23:59:05,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-12 23:59:05,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:05,945 INFO L203 MainTranslator]: Completed pre-run [2021-10-12 23:59:06,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:06,052 INFO L208 MainTranslator]: Completed translation [2021-10-12 23:59:06,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:06 WrapperNode [2021-10-12 23:59:06,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:06,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:06,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-12 23:59:06,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-12 23:59:06,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:06" (1/1) ... [2021-10-12 23:59:06,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:06" (1/1) ... [2021-10-12 23:59:06,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:06,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-12 23:59:06,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-12 23:59:06,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-12 23:59:06,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:06" (1/1) ... [2021-10-12 23:59:06,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:06" (1/1) ... [2021-10-12 23:59:06,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:06" (1/1) ... [2021-10-12 23:59:06,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:06" (1/1) ... [2021-10-12 23:59:06,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:06" (1/1) ... [2021-10-12 23:59:06,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:06" (1/1) ... [2021-10-12 23:59:06,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:06" (1/1) ... [2021-10-12 23:59:06,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-12 23:59:06,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-12 23:59:06,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-12 23:59:06,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-12 23:59:06,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:06" (1/1) ... [2021-10-12 23:59:06,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:06,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:06,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:06,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-12 23:59:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-12 23:59:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-12 23:59:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-12 23:59:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-12 23:59:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-12 23:59:06,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-12 23:59:06,529 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-12 23:59:06,530 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-12 23:59:06,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:06 BoogieIcfgContainer [2021-10-12 23:59:06,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-12 23:59:06,533 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-12 23:59:06,533 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-12 23:59:06,537 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-12 23:59:06,538 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-12 23:59:06,538 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 11:59:05" (1/3) ... [2021-10-12 23:59:06,539 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@190aab63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 11:59:06, skipping insertion in model container [2021-10-12 23:59:06,540 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-12 23:59:06,540 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:06" (2/3) ... [2021-10-12 23:59:06,540 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@190aab63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 11:59:06, skipping insertion in model container [2021-10-12 23:59:06,541 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-12 23:59:06,541 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:06" (3/3) ... [2021-10-12 23:59:06,542 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrspn_reverse_alloca.i [2021-10-12 23:59:06,587 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-12 23:59:06,587 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-12 23:59:06,588 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-12 23:59:06,588 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-12 23:59:06,588 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-12 23:59:06,588 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-12 23:59:06,588 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-12 23:59:06,588 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-12 23:59:06,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:06,623 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-12 23:59:06,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:06,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:06,629 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-12 23:59:06,630 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-12 23:59:06,630 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-12 23:59:06,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:06,632 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-12 23:59:06,633 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:06,633 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:06,634 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-12 23:59:06,634 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-12 23:59:06,641 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 17#L382true assume !(main_~length1~0 < 1); 15#L382-2true assume !(main_~length2~0 < 1); 5#L385-1true call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 9#L369-4true [2021-10-12 23:59:06,641 INFO L793 eck$LassoCheckResult]: Loop: 9#L369-4true call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 16#L369-1true assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 7#L372-5true assume !true; 6#L372-6true call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 18#L374true assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 10#L369-3true cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, cstrspn_#t~post205.offset - 1;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 9#L369-4true [2021-10-12 23:59:06,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:06,648 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-12 23:59:06,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:06,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6979194] [2021-10-12 23:59:06,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:06,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:06,780 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:06,885 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:06,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:06,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2021-10-12 23:59:06,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:06,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059993042] [2021-10-12 23:59:06,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:06,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:06,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:06,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:06,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059993042] [2021-10-12 23:59:06,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059993042] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:06,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:06,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-12 23:59:06,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050153493] [2021-10-12 23:59:06,994 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-12 23:59:06,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:07,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-12 23:59:07,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-12 23:59:07,021 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:07,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:07,028 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-10-12 23:59:07,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-12 23:59:07,030 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2021-10-12 23:59:07,034 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-12 23:59:07,038 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2021-10-12 23:59:07,039 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-12 23:59:07,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-12 23:59:07,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2021-10-12 23:59:07,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-12 23:59:07,041 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-10-12 23:59:07,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2021-10-12 23:59:07,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-10-12 23:59:07,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:07,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2021-10-12 23:59:07,091 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-10-12 23:59:07,091 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-10-12 23:59:07,092 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-12 23:59:07,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2021-10-12 23:59:07,093 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-12 23:59:07,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:07,094 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:07,095 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-12 23:59:07,095 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:07,095 INFO L791 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 45#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 52#L382 assume !(main_~length1~0 < 1); 56#L382-2 assume !(main_~length2~0 < 1); 46#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 47#L369-4 [2021-10-12 23:59:07,096 INFO L793 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 53#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 50#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 51#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 55#L372-3 assume !cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210; 48#L372-6 call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 49#L374 assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 54#L369-3 cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, cstrspn_#t~post205.offset - 1;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 47#L369-4 [2021-10-12 23:59:07,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:07,100 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2021-10-12 23:59:07,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:07,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412825869] [2021-10-12 23:59:07,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:07,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:07,172 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:07,204 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:07,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:07,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2021-10-12 23:59:07,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:07,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693144131] [2021-10-12 23:59:07,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:07,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:07,224 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:07,241 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:07,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:07,242 INFO L82 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2021-10-12 23:59:07,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:07,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607286908] [2021-10-12 23:59:07,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:07,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:07,317 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:07,393 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:08,507 INFO L210 LassoAnalysis]: Preferences: [2021-10-12 23:59:08,508 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-12 23:59:08,513 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-12 23:59:08,513 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-12 23:59:08,513 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-12 23:59:08,514 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:08,514 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-12 23:59:08,514 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-12 23:59:08,514 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_reverse_alloca.i_Iteration2_Lasso [2021-10-12 23:59:08,514 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-12 23:59:08,514 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-12 23:59:08,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:08,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:08,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:08,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:08,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:08,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:08,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:08,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:08,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:08,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:08,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:08,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:09,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:09,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:09,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:09,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:09,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:09,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:09,741 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-12 23:59:09,746 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-12 23:59:09,748 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:09,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:09,757 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:09,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:09,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-12 23:59:09,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:09,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:09,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:09,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:09,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:09,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:09,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:09,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:09,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:09,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:09,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:09,837 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:09,843 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 [2021-10-12 23:59:09,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:09,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:09,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:09,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:09,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-12 23:59:09,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:09,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:09,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:09,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:09,911 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:09,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:09,913 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:09,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:09,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:09,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:09,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:09,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:09,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:09,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:09,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:09,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-12 23:59:09,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:09,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:09,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:09,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:09,983 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:09,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:09,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:09,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:09,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:09,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:09,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:09,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:09,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:10,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-12 23:59:10,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:10,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:10,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:10,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:10,051 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:10,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:10,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:10,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:10,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:10,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:10,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:10,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:10,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-12 23:59:10,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:10,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:10,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:10,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:10,127 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:10,137 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 [2021-10-12 23:59:10,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-12 23:59:10,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:10,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:10,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:10,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:10,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:10,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:10,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:10,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:10,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:10,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:10,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:10,201 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:10,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:10,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-12 23:59:10,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:10,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:10,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:10,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:10,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:10,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:10,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:10,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:10,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:10,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:10,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:10,273 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:10,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-12 23:59:10,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:10,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:10,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:10,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:10,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:10,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:10,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:10,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:10,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:10,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:10,338 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:10,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:10,340 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:10,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:10,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:10,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:10,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:10,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:10,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:10,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-12 23:59:10,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:10,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:10,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:10,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:10,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:10,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:10,399 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:10,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-12 23:59:10,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:10,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:10,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:10,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:10,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:10,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:10,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:10,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:10,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:10,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:10,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:10,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:10,448 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:10,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-12 23:59:10,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:10,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:10,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:10,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:10,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:10,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:10,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:10,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:10,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:10,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:10,482 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:10,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:10,483 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:10,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-12 23:59:10,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:10,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:10,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:10,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:10,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:10,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:10,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:10,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:10,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:10,548 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:10,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:10,549 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:10,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-12 23:59:10,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:10,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:10,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:10,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:10,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:10,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:10,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:10,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:10,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:10,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:10,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:10,625 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:10,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-12 23:59:10,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:10,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:10,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:10,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:10,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:10,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:10,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:10,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:10,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:10,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:10,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:10,701 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:10,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-12 23:59:10,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:10,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:10,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:10,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:10,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:10,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:10,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:10,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:10,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:10,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:10,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:10,751 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:10,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-12 23:59:10,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:10,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:10,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:10,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:10,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:10,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:10,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:10,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:10,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:10,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:10,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:10,828 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:10,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-12 23:59:10,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:10,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:10,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:10,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:10,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:10,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:10,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:10,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:10,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:10,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:10,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:10,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:10,865 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:10,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-12 23:59:10,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:10,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:10,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:10,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:10,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:10,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:10,876 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:10,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:10,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:10,944 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:10,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:10,949 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:10,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:10,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:10,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:10,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:10,968 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-12 23:59:10,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:10,972 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-12 23:59:10,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:10,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-12 23:59:10,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:11,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:11,030 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:11,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:11,031 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:11,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:11,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:11,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:11,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:11,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:11,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:11,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:11,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-12 23:59:11,093 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-12 23:59:11,156 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-12 23:59:11,157 INFO L444 ModelExtractionUtils]: 15 out of 55 variables were initially zero. Simplification set additionally 37 variables to zero. [2021-10-12 23:59:11,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:11,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:11,160 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:11,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-12 23:59:11,201 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-12 23:59:11,232 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-12 23:59:11,232 INFO L513 LassoAnalysis]: Proved termination. [2021-10-12 23:59:11,233 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~sc1~0.offset, v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_1) = 2*ULTIMATE.start_cstrspn_~sc1~0.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_1 Supporting invariants [] [2021-10-12 23:59:11,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:11,358 INFO L297 tatePredicateManager]: 10 out of 12 supporting invariants were superfluous and have been removed [2021-10-12 23:59:11,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:11,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-12 23:59:11,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:11,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-12 23:59:11,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:11,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:11,698 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 [2021-10-12 23:59:11,699 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:11,774 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 4 states. [2021-10-12 23:59:11,774 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 [2021-10-12 23:59:11,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:11,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2021-10-12 23:59:11,777 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2021-10-12 23:59:11,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:11,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2021-10-12 23:59:11,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:11,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2021-10-12 23:59:11,780 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:11,787 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2021-10-12 23:59:11,791 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-12 23:59:11,792 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2021-10-12 23:59:11,792 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-12 23:59:11,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-12 23:59:11,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-10-12 23:59:11,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-12 23:59:11,795 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-12 23:59:11,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-10-12 23:59:11,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-10-12 23:59:11,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:11,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-10-12 23:59:11,802 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-12 23:59:11,802 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-12 23:59:11,802 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-12 23:59:11,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-10-12 23:59:11,807 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-12 23:59:11,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:11,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:11,808 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:11,808 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-12 23:59:11,808 INFO L791 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 191#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 200#L382 assume !(main_~length1~0 < 1); 207#L382-2 assume !(main_~length2~0 < 1); 192#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 193#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 202#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 196#L372-5 [2021-10-12 23:59:11,808 INFO L793 eck$LassoCheckResult]: Loop: 196#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 197#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 205#L372-3 assume !!cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210;cstrspn_#t~post211.base, cstrspn_#t~post211.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post211.base, cstrspn_#t~post211.offset - 1;havoc cstrspn_#t~post211.base, cstrspn_#t~post211.offset; 196#L372-5 [2021-10-12 23:59:11,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:11,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2021-10-12 23:59:11,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:11,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827069699] [2021-10-12 23:59:11,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:11,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:11,857 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:11,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:11,899 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:11,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:11,908 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2021-10-12 23:59:11,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:11,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142865969] [2021-10-12 23:59:11,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:11,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:11,918 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:11,929 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:11,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:11,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2021-10-12 23:59:11,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:11,930 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82759273] [2021-10-12 23:59:11,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:11,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:11,980 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:12,028 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:12,976 INFO L210 LassoAnalysis]: Preferences: [2021-10-12 23:59:12,976 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-12 23:59:12,976 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-12 23:59:12,976 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-12 23:59:12,976 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-12 23:59:12,976 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:12,976 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-12 23:59:12,976 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-12 23:59:12,976 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_reverse_alloca.i_Iteration3_Lasso [2021-10-12 23:59:12,976 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-12 23:59:12,977 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-12 23:59:12,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:12,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:12,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:13,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:13,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:13,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:13,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:13,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:13,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:13,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:13,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:13,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:13,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:13,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:13,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:13,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:13,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:13,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:14,148 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-12 23:59:14,148 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-12 23:59:14,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:14,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:14,150 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:14,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:14,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-12 23:59:14,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:14,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:14,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:14,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:14,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:14,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:14,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:14,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:14,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:14,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:14,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:14,189 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:14,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-12 23:59:14,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:14,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:14,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:14,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:14,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:14,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:14,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:14,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:14,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:14,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:14,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:14,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:14,222 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:14,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-12 23:59:14,223 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 [2021-10-12 23:59:14,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:14,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:14,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:14,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:14,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:14,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:14,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:14,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:14,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:14,298 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:14,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:14,299 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:14,306 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 [2021-10-12 23:59:14,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-12 23:59:14,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:14,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:14,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:14,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:14,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:14,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:14,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:14,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:14,373 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:14,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:14,377 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:14,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:14,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:14,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:14,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:14,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:14,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:14,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:14,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:14,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-12 23:59:14,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:14,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-12 23:59:14,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:14,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:14,430 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:14,431 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 [2021-10-12 23:59:14,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-12 23:59:14,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:14,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:14,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:14,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:14,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:14,439 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:14,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:14,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:14,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-12 23:59:14,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:14,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:14,463 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:14,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-12 23:59:14,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:14,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:14,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:14,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:14,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:14,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:14,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:14,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:14,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:14,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:14,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:14,548 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:14,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:14,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:14,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:14,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:14,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:14,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:14,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:14,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:14,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-12 23:59:14,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:14,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:14,617 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:14,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:14,618 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:14,620 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 [2021-10-12 23:59:14,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:14,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:14,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:14,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:14,632 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:14,632 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:14,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-12 23:59:14,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:14,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:14,690 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:14,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:14,693 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:14,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:14,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:14,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:14,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:14,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:14,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:14,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:14,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-12 23:59:14,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:14,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-12 23:59:14,754 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:14,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:14,755 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:14,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-12 23:59:14,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:14,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:14,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:14,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:14,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:14,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:14,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:14,806 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-12 23:59:14,854 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-10-12 23:59:14,854 INFO L444 ModelExtractionUtils]: 13 out of 52 variables were initially zero. Simplification set additionally 36 variables to zero. [2021-10-12 23:59:14,854 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:14,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:14,855 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:14,861 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-12 23:59:14,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-12 23:59:14,893 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-12 23:59:14,894 INFO L513 LassoAnalysis]: Proved termination. [2021-10-12 23:59:14,894 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_2, ULTIMATE.start_cstrspn_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_2 + 2*ULTIMATE.start_cstrspn_~s~0.offset Supporting invariants [] [2021-10-12 23:59:14,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:15,000 INFO L297 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2021-10-12 23:59:15,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:15,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-12 23:59:15,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:15,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-12 23:59:15,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:15,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:15,157 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-12 23:59:15,158 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:15,208 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 6 states. [2021-10-12 23:59:15,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-12 23:59:15,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:15,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-10-12 23:59:15,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2021-10-12 23:59:15,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:15,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2021-10-12 23:59:15,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:15,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2021-10-12 23:59:15,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:15,210 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2021-10-12 23:59:15,212 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-12 23:59:15,213 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2021-10-12 23:59:15,213 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-12 23:59:15,213 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-12 23:59:15,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2021-10-12 23:59:15,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-12 23:59:15,213 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-10-12 23:59:15,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2021-10-12 23:59:15,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-10-12 23:59:15,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:15,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2021-10-12 23:59:15,217 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-10-12 23:59:15,217 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-10-12 23:59:15,217 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-12 23:59:15,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2021-10-12 23:59:15,218 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-12 23:59:15,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:15,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:15,219 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:15,219 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-12 23:59:15,219 INFO L791 eck$LassoCheckResult]: Stem: 378#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 379#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 388#L382 assume !(main_~length1~0 < 1); 397#L382-2 assume !(main_~length2~0 < 1); 380#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 381#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 389#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 398#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 401#L372-1 assume !cstrspn_#t~short210; 399#L372-3 assume !cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210; 382#L372-6 call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 383#L374 assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 393#L369-3 cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, cstrspn_#t~post205.offset - 1;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 390#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 392#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 384#L372-5 [2021-10-12 23:59:15,219 INFO L793 eck$LassoCheckResult]: Loop: 384#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 385#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 394#L372-3 assume !!cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210;cstrspn_#t~post211.base, cstrspn_#t~post211.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post211.base, cstrspn_#t~post211.offset - 1;havoc cstrspn_#t~post211.base, cstrspn_#t~post211.offset; 384#L372-5 [2021-10-12 23:59:15,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:15,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2021-10-12 23:59:15,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:15,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275487859] [2021-10-12 23:59:15,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:15,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:15,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:15,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:15,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275487859] [2021-10-12 23:59:15,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275487859] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:15,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:15,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-12 23:59:15,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974414113] [2021-10-12 23:59:15,293 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-12 23:59:15,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:15,293 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2021-10-12 23:59:15,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:15,295 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855712297] [2021-10-12 23:59:15,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:15,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:15,301 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:15,307 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:15,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:15,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-12 23:59:15,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-12 23:59:15,446 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:15,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:15,546 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2021-10-12 23:59:15,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-12 23:59:15,547 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2021-10-12 23:59:15,548 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-12 23:59:15,548 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2021-10-12 23:59:15,548 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-12 23:59:15,549 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-12 23:59:15,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2021-10-12 23:59:15,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-12 23:59:15,549 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-10-12 23:59:15,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2021-10-12 23:59:15,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2021-10-12 23:59:15,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 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) [2021-10-12 23:59:15,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2021-10-12 23:59:15,552 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-10-12 23:59:15,552 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-10-12 23:59:15,552 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-12 23:59:15,552 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2021-10-12 23:59:15,553 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-12 23:59:15,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:15,553 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:15,553 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:15,554 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-12 23:59:15,554 INFO L791 eck$LassoCheckResult]: Stem: 450#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 451#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 460#L382 assume !(main_~length1~0 < 1); 469#L382-2 assume !(main_~length2~0 < 1); 452#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 453#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 461#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 474#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 473#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 471#L372-3 assume !cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210; 454#L372-6 call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 455#L374 assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 465#L369-3 cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, cstrspn_#t~post205.offset - 1;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 462#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 464#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 456#L372-5 [2021-10-12 23:59:15,554 INFO L793 eck$LassoCheckResult]: Loop: 456#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 457#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 466#L372-3 assume !!cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210;cstrspn_#t~post211.base, cstrspn_#t~post211.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post211.base, cstrspn_#t~post211.offset - 1;havoc cstrspn_#t~post211.base, cstrspn_#t~post211.offset; 456#L372-5 [2021-10-12 23:59:15,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:15,555 INFO L82 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2021-10-12 23:59:15,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:15,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026494113] [2021-10-12 23:59:15,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:15,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:15,571 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:15,590 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:15,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:15,591 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2021-10-12 23:59:15,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:15,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551713798] [2021-10-12 23:59:15,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:15,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:15,597 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:15,606 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:15,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:15,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2021-10-12 23:59:15,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:15,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108841865] [2021-10-12 23:59:15,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:15,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:15,645 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:15,690 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:15,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:17,170 INFO L210 LassoAnalysis]: Preferences: [2021-10-12 23:59:17,171 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-12 23:59:17,171 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-12 23:59:17,171 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-12 23:59:17,171 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-12 23:59:17,171 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:17,171 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-12 23:59:17,171 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-12 23:59:17,171 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_reverse_alloca.i_Iteration5_Lasso [2021-10-12 23:59:17,171 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-12 23:59:17,171 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-12 23:59:17,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:17,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:17,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:17,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:17,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:17,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:17,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:17,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:17,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:17,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:17,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:17,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:17,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:17,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:18,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:18,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:18,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:18,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:18,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:19,563 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-12 23:59:19,563 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-12 23:59:19,564 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:19,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:19,567 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:19,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-12 23:59:19,569 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 [2021-10-12 23:59:19,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:19,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:19,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:19,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:19,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:19,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:19,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:19,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:19,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:19,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:19,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:19,602 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:19,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-12 23:59:19,603 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 [2021-10-12 23:59:19,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:19,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:19,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:19,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:19,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:19,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:19,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:19,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:19,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-12 23:59:19,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:19,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:19,633 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:19,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-12 23:59:19,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:19,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:19,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:19,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:19,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:19,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:19,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:19,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:19,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:19,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:19,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:19,671 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:19,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-12 23:59:19,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:19,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:19,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:19,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:19,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:19,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:19,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:19,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:19,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:19,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:19,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:19,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:19,705 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:19,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-12 23:59:19,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:19,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:19,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:19,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:19,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:19,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:19,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:19,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:19,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-12 23:59:19,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:19,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:19,781 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:19,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-12 23:59:19,785 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 [2021-10-12 23:59:19,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:19,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:19,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:19,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:19,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:19,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:19,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:19,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:19,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-12 23:59:19,821 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:19,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:19,823 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:19,824 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 [2021-10-12 23:59:19,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-12 23:59:19,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:19,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:19,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:19,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:19,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:19,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:19,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:19,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:19,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-12 23:59:19,852 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:19,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:19,853 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:19,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-12 23:59:19,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:19,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:19,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:19,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:19,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:19,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:19,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:19,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:19,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:19,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:19,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:19,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:19,919 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:19,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:19,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:19,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:19,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:19,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:19,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:19,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:19,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:19,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-12 23:59:19,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:19,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:19,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:19,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:19,987 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:19,990 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 [2021-10-12 23:59:19,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:19,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:19,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:19,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:19,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:20,000 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:20,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:20,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-12 23:59:20,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:20,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-12 23:59:20,032 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:20,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:20,033 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:20,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:20,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-12 23:59:20,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:20,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:20,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:20,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:20,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:20,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:20,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:20,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-12 23:59:20,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:20,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:20,078 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:20,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-12 23:59:20,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:20,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:20,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:20,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:20,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:20,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:20,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:20,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:20,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:20,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-12 23:59:20,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:20,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:20,109 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:20,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-12 23:59:20,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:20,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:20,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:20,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:20,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:20,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:20,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:20,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:20,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:20,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-12 23:59:20,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:20,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:20,151 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:20,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-12 23:59:20,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:20,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:20,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:20,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:20,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:20,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:20,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:20,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:20,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:20,215 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:20,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:20,216 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:20,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-12 23:59:20,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:20,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:20,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:20,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:20,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:20,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:20,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:20,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:20,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-12 23:59:20,251 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:20,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:20,252 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:20,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-12 23:59:20,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:20,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:20,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:20,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:20,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:20,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:20,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:20,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:20,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-12 23:59:20,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:20,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:20,286 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:20,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-12 23:59:20,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:20,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:20,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:20,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:20,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:20,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:20,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:20,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:20,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-12 23:59:20,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:20,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:20,352 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:20,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:20,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:20,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:20,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:20,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:20,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:20,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:20,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-12 23:59:20,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:20,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:20,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:20,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:20,445 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:20,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:20,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:20,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:20,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:20,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:20,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:20,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:20,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-12 23:59:20,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:20,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-12 23:59:20,482 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:20,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:20,483 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:20,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-12 23:59:20,484 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 [2021-10-12 23:59:20,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:20,492 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-10-12 23:59:20,492 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2021-10-12 23:59:20,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:20,573 INFO L401 nArgumentSynthesizer]: We have 132 Motzkin's Theorem applications. [2021-10-12 23:59:20,573 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-12 23:59:20,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:20,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:20,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:20,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:20,781 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:20,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-12 23:59:20,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:20,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:20,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:20,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:20,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:20,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:20,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:20,819 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-12 23:59:20,851 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-12 23:59:20,851 INFO L444 ModelExtractionUtils]: 34 out of 55 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-10-12 23:59:20,851 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:20,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:20,853 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:20,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-12 23:59:20,855 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-12 23:59:20,863 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-12 23:59:20,863 INFO L513 LassoAnalysis]: Proved termination. [2021-10-12 23:59:20,863 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0.offset) = 2*ULTIMATE.start_cstrspn_~s~0.offset + 1 Supporting invariants [] [2021-10-12 23:59:20,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-12 23:59:20,986 INFO L297 tatePredicateManager]: 30 out of 30 supporting invariants were superfluous and have been removed [2021-10-12 23:59:20,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:21,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-12 23:59:21,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:21,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-12 23:59:21,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:21,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:21,098 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-12 23:59:21,098 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:21,115 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 51 transitions. Complement of second has 5 states. [2021-10-12 23:59:21,116 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 [2021-10-12 23:59:21,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:21,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2021-10-12 23:59:21,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-12 23:59:21,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:21,117 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-12 23:59:21,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:21,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-12 23:59:21,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:21,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-12 23:59:21,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:21,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:21,270 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 [2021-10-12 23:59:21,271 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:21,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:21,290 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 51 transitions. Complement of second has 5 states. [2021-10-12 23:59:21,293 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 [2021-10-12 23:59:21,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:21,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2021-10-12 23:59:21,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-12 23:59:21,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:21,294 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-12 23:59:21,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:21,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-12 23:59:21,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:21,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-12 23:59:21,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:21,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:21,407 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 [2021-10-12 23:59:21,407 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:21,436 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 53 transitions. Complement of second has 4 states. [2021-10-12 23:59:21,437 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 [2021-10-12 23:59:21,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:21,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2021-10-12 23:59:21,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-12 23:59:21,438 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:21,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2021-10-12 23:59:21,438 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:21,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2021-10-12 23:59:21,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:21,439 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2021-10-12 23:59:21,441 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-12 23:59:21,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2021-10-12 23:59:21,442 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-12 23:59:21,442 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-12 23:59:21,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-12 23:59:21,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-12 23:59:21,442 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-12 23:59:21,442 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-12 23:59:21,442 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-12 23:59:21,443 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-12 23:59:21,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-12 23:59:21,443 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-12 23:59:21,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-12 23:59:21,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 11:59:21 BoogieIcfgContainer [2021-10-12 23:59:21,449 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-12 23:59:21,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-12 23:59:21,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-12 23:59:21,450 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-12 23:59:21,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:06" (3/4) ... [2021-10-12 23:59:21,454 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-12 23:59:21,454 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-12 23:59:21,456 INFO L168 Benchmark]: Toolchain (without parser) took 16018.69 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 73.7 MB in the beginning and 91.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:21,456 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 55.8 MB in the beginning and 55.8 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:21,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.56 ms. Allocated memory is still 109.1 MB. Free memory was 73.5 MB in the beginning and 77.1 MB in the end (delta: -3.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:21,457 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.16 ms. Allocated memory is still 109.1 MB. Free memory was 77.1 MB in the beginning and 74.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:21,457 INFO L168 Benchmark]: Boogie Preprocessor took 41.20 ms. Allocated memory is still 109.1 MB. Free memory was 74.9 MB in the beginning and 73.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:21,458 INFO L168 Benchmark]: RCFGBuilder took 358.05 ms. Allocated memory is still 109.1 MB. Free memory was 73.4 MB in the beginning and 62.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:21,458 INFO L168 Benchmark]: BuchiAutomizer took 14916.40 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 62.0 MB in the beginning and 91.6 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:21,459 INFO L168 Benchmark]: Witness Printer took 4.43 ms. Allocated memory is still 136.3 MB. Free memory is still 91.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:21,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 55.8 MB in the beginning and 55.8 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 608.56 ms. Allocated memory is still 109.1 MB. Free memory was 73.5 MB in the beginning and 77.1 MB in the end (delta: -3.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.16 ms. Allocated memory is still 109.1 MB. Free memory was 77.1 MB in the beginning and 74.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.20 ms. Allocated memory is still 109.1 MB. Free memory was 74.9 MB in the beginning and 73.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 358.05 ms. Allocated memory is still 109.1 MB. Free memory was 73.4 MB in the beginning and 62.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 14916.40 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 62.0 MB in the beginning and 91.6 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.43 ms. Allocated memory is still 136.3 MB. Free memory is still 91.6 MB. There was no memory consumed. 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[nondetString1] + 2 * sc1 and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length2 * sizeof(char))] + 2 * s and consists of 4 locations. One nondeterministic module has affine ranking function 2 * s + 1 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.8s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 13.4s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 23.4ms AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 114 SDtfs, 128 SDslu, 67 SDs, 0 SdLazy, 98 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 120.8ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital287 mio100 ax100 hnf100 lsp106 ukn85 mio100 lsp40 div114 bol100 ite100 ukn100 eq184 hnf84 smp96 dnf505 smp31 tf100 neg96 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 276ms VariablesStem: 7 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 132 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! [2021-10-12 23:59:21,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5318e6-3b2f-4deb-b9f4-15ae897252ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...