./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD --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 32bit --witnessprinter.graph.data.programhash 970cab0a23b690f163a0a51afef8881644c6447187bc11bbe1f60a2a40cf01a7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:47:09,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:47:09,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:47:09,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:47:09,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:47:09,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:47:09,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:47:09,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:47:09,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:47:09,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:47:09,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:47:09,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:47:09,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:47:09,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:47:09,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:47:09,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:47:09,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:47:09,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:47:09,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:47:09,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:47:09,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:47:09,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:47:09,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:47:09,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:47:09,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:47:09,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:47:09,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:47:09,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:47:09,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:47:09,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:47:09,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:47:09,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:47:09,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:47:09,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:47:09,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:47:09,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:47:09,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:47:09,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:47:09,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:47:09,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:47:09,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:47:09,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 22:47:09,422 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:47:09,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:47:09,423 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:47:09,424 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:47:09,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:47:09,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:47:09,426 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:47:09,426 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 22:47:09,426 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 22:47:09,426 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 22:47:09,428 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 22:47:09,428 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 22:47:09,428 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 22:47:09,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:47:09,428 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:47:09,429 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:47:09,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:47:09,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:47:09,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:47:09,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 22:47:09,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 22:47:09,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 22:47:09,430 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:47:09,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:47:09,430 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 22:47:09,431 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:47:09,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 22:47:09,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:47:09,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:47:09,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:47:09,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:47:09,432 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:47:09,433 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 22:47:09,434 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_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970cab0a23b690f163a0a51afef8881644c6447187bc11bbe1f60a2a40cf01a7 [2021-10-28 22:47:09,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:47:09,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:47:09,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:47:09,752 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:47:09,754 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:47:09,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2021-10-28 22:47:09,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/data/7e59c3e81/b850c39ebed8411ea57cf4c41f00c2bf/FLAG136067393 [2021-10-28 22:47:10,329 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:47:10,334 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2021-10-28 22:47:10,350 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/data/7e59c3e81/b850c39ebed8411ea57cf4c41f00c2bf/FLAG136067393 [2021-10-28 22:47:10,685 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/data/7e59c3e81/b850c39ebed8411ea57cf4c41f00c2bf [2021-10-28 22:47:10,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:47:10,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:47:10,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:47:10,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:47:10,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:47:10,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:47:10" (1/1) ... [2021-10-28 22:47:10,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b30b32f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:10, skipping insertion in model container [2021-10-28 22:47:10,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:47:10" (1/1) ... [2021-10-28 22:47:10,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:47:10,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:47:10,924 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i[878,891] [2021-10-28 22:47:10,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:47:10,967 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:47:10,978 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i[878,891] [2021-10-28 22:47:10,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:47:11,014 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:47:11,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:11 WrapperNode [2021-10-28 22:47:11,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:47:11,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:47:11,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:47:11,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:47:11,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:11" (1/1) ... [2021-10-28 22:47:11,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:11" (1/1) ... [2021-10-28 22:47:11,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:47:11,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:47:11,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:47:11,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:47:11,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:11" (1/1) ... [2021-10-28 22:47:11,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:11" (1/1) ... [2021-10-28 22:47:11,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:11" (1/1) ... [2021-10-28 22:47:11,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:11" (1/1) ... [2021-10-28 22:47:11,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:11" (1/1) ... [2021-10-28 22:47:11,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:11" (1/1) ... [2021-10-28 22:47:11,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:11" (1/1) ... [2021-10-28 22:47:11,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:47:11,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:47:11,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:47:11,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:47:11,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:11" (1/1) ... [2021-10-28 22:47:11,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:11,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:11,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:11,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 22:47:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:47:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 22:47:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 22:47:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:47:11,214 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-10-28 22:47:11,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:47:11,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:47:11,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 22:47:11,600 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:47:11,600 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-28 22:47:11,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:47:11 BoogieIcfgContainer [2021-10-28 22:47:11,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:47:11,603 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 22:47:11,603 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 22:47:11,620 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 22:47:11,621 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:47:11,621 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:47:10" (1/3) ... [2021-10-28 22:47:11,622 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69be66f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:47:11, skipping insertion in model container [2021-10-28 22:47:11,622 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:47:11,622 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:47:11" (2/3) ... [2021-10-28 22:47:11,623 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69be66f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:47:11, skipping insertion in model container [2021-10-28 22:47:11,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:47:11,623 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:47:11" (3/3) ... [2021-10-28 22:47:11,624 INFO L389 chiAutomizerObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.i [2021-10-28 22:47:11,691 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 22:47:11,691 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 22:47:11,691 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 22:47:11,691 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 22:47:11,691 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 22:47:11,692 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 22:47:11,692 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 22:47:11,693 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 22:47:11,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:11,737 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2021-10-28 22:47:11,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:11,737 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:11,743 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 22:47:11,743 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:47:11,743 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 22:47:11,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:11,747 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2021-10-28 22:47:11,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:11,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:11,748 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 22:47:11,748 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:47:11,755 INFO L791 eck$LassoCheckResult]: Stem: 21#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 11#L-1true havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 37#L90-3true [2021-10-28 22:47:11,755 INFO L793 eck$LassoCheckResult]: Loop: 37#L90-3true assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 34#L90-2true main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 37#L90-3true [2021-10-28 22:47:11,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:11,779 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 22:47:11,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:11,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137559949] [2021-10-28 22:47:11,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:11,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:11,928 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:11,995 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:12,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:12,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-10-28 22:47:12,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:12,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468861596] [2021-10-28 22:47:12,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:12,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:12,027 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:12,044 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:12,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:12,049 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-10-28 22:47:12,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:12,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628527019] [2021-10-28 22:47:12,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:12,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:12,085 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:12,133 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:12,669 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:47:12,670 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:47:12,670 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:47:12,670 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:47:12,670 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:47:12,671 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:12,671 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:47:12,671 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:47:12,672 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration1_Lasso [2021-10-28 22:47:12,672 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:47:12,672 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:47:12,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:12,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:12,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:12,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:12,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:12,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:12,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:13,104 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:47:13,108 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:47:13,110 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:13,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:13,112 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:13,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 22:47:13,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:13,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:13,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:13,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:13,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:13,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:13,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:13,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:13,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:13,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:13,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:13,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:13,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:13,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:13,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:13,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:13,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:13,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:13,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:13,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 22:47:13,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:13,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:13,277 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:13,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:13,279 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:13,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 22:47:13,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:13,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:13,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:13,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:13,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:13,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:13,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:13,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:13,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:13,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:13,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:13,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:13,360 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:13,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:13,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:13,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:13,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:13,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:13,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:13,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:13,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 22:47:13,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:13,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:13,434 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:13,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:13,438 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:13,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:13,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:13,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:13,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:13,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:13,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:13,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:13,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 22:47:13,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:13,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:13,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:13,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:13,510 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:13,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:13,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 22:47:13,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:13,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:13,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:13,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:13,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:13,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:13,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:13,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:13,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:13,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:13,583 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:13,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 22:47:13,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:13,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:13,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:13,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:13,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:13,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:13,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:13,616 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:47:13,645 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-28 22:47:13,645 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-28 22:47:13,647 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:13,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:13,654 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:13,686 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:47:13,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 22:47:13,711 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:47:13,711 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:47:13,712 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1, ULTIMATE.start_main_~i~1) = 15*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1 - 2*ULTIMATE.start_main_~i~1 Supporting invariants [] [2021-10-28 22:47:13,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:13,771 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-10-28 22:47:13,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:13,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:47:13,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:13,828 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 22:47:13,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:13,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:13,911 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 [2021-10-28 22:47:13,913 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:14,045 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 102 states and 153 transitions. Complement of second has 8 states. [2021-10-28 22:47:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 22:47:14,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:14,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 101 transitions. [2021-10-28 22:47:14,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 101 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-28 22:47:14,050 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:47:14,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 101 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 22:47:14,050 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:47:14,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 101 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-28 22:47:14,051 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:47:14,051 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 153 transitions. [2021-10-28 22:47:14,056 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 22:47:14,063 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 32 states and 43 transitions. [2021-10-28 22:47:14,063 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-10-28 22:47:14,064 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 22:47:14,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 43 transitions. [2021-10-28 22:47:14,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:47:14,064 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-10-28 22:47:14,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 43 transitions. [2021-10-28 22:47:14,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:14,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-10-28 22:47:14,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.34375) internal successors, (43), 31 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:14,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 43 transitions. [2021-10-28 22:47:14,125 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-10-28 22:47:14,125 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-10-28 22:47:14,125 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 22:47:14,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 43 transitions. [2021-10-28 22:47:14,127 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 22:47:14,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:14,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:14,128 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 22:47:14,128 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 22:47:14,129 INFO L791 eck$LassoCheckResult]: Stem: 232#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 216#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 217#L90-3 assume !(main_~i~1 < 8); 227#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 228#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 222#L63-4 [2021-10-28 22:47:14,129 INFO L793 eck$LassoCheckResult]: Loop: 222#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 207#L66 assume !parse_expression_list_#t~switch7; 208#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 223#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 224#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 222#L63-4 [2021-10-28 22:47:14,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:14,129 INFO L85 PathProgramCache]: Analyzing trace with hash 28696938, now seen corresponding path program 1 times [2021-10-28 22:47:14,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:14,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359464841] [2021-10-28 22:47:14,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:14,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:14,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:14,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:47:14,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359464841] [2021-10-28 22:47:14,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359464841] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:47:14,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:47:14,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:47:14,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656429251] [2021-10-28 22:47:14,175 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:47:14,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:14,176 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 1 times [2021-10-28 22:47:14,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:14,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429163651] [2021-10-28 22:47:14,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:14,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:14,183 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:14,190 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:14,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:47:14,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:47:14,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:47:14,262 INFO L87 Difference]: Start difference. First operand 32 states and 43 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:14,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:47:14,275 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2021-10-28 22:47:14,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:47:14,276 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2021-10-28 22:47:14,277 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 22:47:14,278 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 43 transitions. [2021-10-28 22:47:14,278 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 22:47:14,278 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 22:47:14,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 43 transitions. [2021-10-28 22:47:14,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:47:14,279 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2021-10-28 22:47:14,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 43 transitions. [2021-10-28 22:47:14,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2021-10-28 22:47:14,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.3125) internal successors, (42), 31 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:14,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2021-10-28 22:47:14,282 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-10-28 22:47:14,282 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-10-28 22:47:14,282 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 22:47:14,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 42 transitions. [2021-10-28 22:47:14,283 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 22:47:14,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:14,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:14,284 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:47:14,284 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 22:47:14,284 INFO L791 eck$LassoCheckResult]: Stem: 304#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 287#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 288#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 308#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 309#L90-3 assume !(main_~i~1 < 8); 298#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 299#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 293#L63-4 [2021-10-28 22:47:14,285 INFO L793 eck$LassoCheckResult]: Loop: 293#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 278#L66 assume !parse_expression_list_#t~switch7; 279#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 294#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 295#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 293#L63-4 [2021-10-28 22:47:14,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:14,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1809669544, now seen corresponding path program 1 times [2021-10-28 22:47:14,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:14,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810449476] [2021-10-28 22:47:14,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:14,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:14,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:47:14,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810449476] [2021-10-28 22:47:14,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810449476] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:47:14,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118747523] [2021-10-28 22:47:14,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:14,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:47:14,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:14,348 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:47:14,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-28 22:47:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:14,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 22:47:14,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:14,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:14,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118747523] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:47:14,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:47:14,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-28 22:47:14,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950720635] [2021-10-28 22:47:14,449 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:47:14,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:14,449 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 2 times [2021-10-28 22:47:14,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:14,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279130172] [2021-10-28 22:47:14,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:14,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:14,455 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:14,461 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:14,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:47:14,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:47:14,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:47:14,524 INFO L87 Difference]: Start difference. First operand 32 states and 42 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2021-10-28 22:47:14,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:47:14,539 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2021-10-28 22:47:14,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:47:14,539 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2021-10-28 22:47:14,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 22:47:14,541 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 35 states and 45 transitions. [2021-10-28 22:47:14,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 22:47:14,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 22:47:14,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 45 transitions. [2021-10-28 22:47:14,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:47:14,542 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 45 transitions. [2021-10-28 22:47:14,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 45 transitions. [2021-10-28 22:47:14,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2021-10-28 22:47:14,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 33 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:14,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2021-10-28 22:47:14,545 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2021-10-28 22:47:14,545 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2021-10-28 22:47:14,545 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 22:47:14,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 44 transitions. [2021-10-28 22:47:14,546 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 22:47:14,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:14,546 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:14,547 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2021-10-28 22:47:14,547 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 22:47:14,547 INFO L791 eck$LassoCheckResult]: Stem: 396#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 380#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 381#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 401#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 402#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 403#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 404#L90-3 assume !(main_~i~1 < 8); 389#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 390#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 386#L63-4 [2021-10-28 22:47:14,547 INFO L793 eck$LassoCheckResult]: Loop: 386#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 371#L66 assume !parse_expression_list_#t~switch7; 372#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 387#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 388#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 386#L63-4 [2021-10-28 22:47:14,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:14,548 INFO L85 PathProgramCache]: Analyzing trace with hash -367607194, now seen corresponding path program 2 times [2021-10-28 22:47:14,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:14,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531904957] [2021-10-28 22:47:14,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:14,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:14,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:47:14,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531904957] [2021-10-28 22:47:14,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531904957] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:47:14,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060548721] [2021-10-28 22:47:14,591 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 22:47:14,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:47:14,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:14,592 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:47:14,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-28 22:47:14,653 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 22:47:14,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 22:47:14,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 22:47:14,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:14,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:14,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060548721] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:47:14,686 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:47:14,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-28 22:47:14,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459407404] [2021-10-28 22:47:14,687 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:47:14,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:14,687 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 3 times [2021-10-28 22:47:14,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:14,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126757450] [2021-10-28 22:47:14,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:14,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:14,693 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:14,699 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:14,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:47:14,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 22:47:14,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-28 22:47:14,766 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:14,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:47:14,786 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2021-10-28 22:47:14,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 22:47:14,786 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 47 transitions. [2021-10-28 22:47:14,787 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 22:47:14,788 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 47 transitions. [2021-10-28 22:47:14,788 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 22:47:14,789 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 22:47:14,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 47 transitions. [2021-10-28 22:47:14,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:47:14,789 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 47 transitions. [2021-10-28 22:47:14,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 47 transitions. [2021-10-28 22:47:14,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2021-10-28 22:47:14,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 35 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:14,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2021-10-28 22:47:14,793 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-10-28 22:47:14,793 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-10-28 22:47:14,793 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 22:47:14,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 46 transitions. [2021-10-28 22:47:14,794 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 22:47:14,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:14,794 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:14,794 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1] [2021-10-28 22:47:14,795 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 22:47:14,795 INFO L791 eck$LassoCheckResult]: Stem: 501#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 484#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 485#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 505#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 506#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 507#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 510#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 509#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 508#L90-3 assume !(main_~i~1 < 8); 495#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 496#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 490#L63-4 [2021-10-28 22:47:14,795 INFO L793 eck$LassoCheckResult]: Loop: 490#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 475#L66 assume !parse_expression_list_#t~switch7; 476#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 491#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 492#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 490#L63-4 [2021-10-28 22:47:14,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:14,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1081479260, now seen corresponding path program 3 times [2021-10-28 22:47:14,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:14,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531083484] [2021-10-28 22:47:14,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:14,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:14,845 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:14,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:47:14,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531083484] [2021-10-28 22:47:14,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531083484] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:47:14,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001733719] [2021-10-28 22:47:14,846 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 22:47:14,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:47:14,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:14,850 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:47:14,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-28 22:47:14,926 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-28 22:47:14,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 22:47:14,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 22:47:14,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:14,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001733719] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:47:14,977 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:47:14,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-10-28 22:47:14,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361562080] [2021-10-28 22:47:14,978 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:47:14,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:14,978 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 4 times [2021-10-28 22:47:14,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:14,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809672597] [2021-10-28 22:47:14,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:14,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:14,983 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:14,989 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:15,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:47:15,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 22:47:15,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:47:15,046 INFO L87 Difference]: Start difference. First operand 36 states and 46 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:15,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:47:15,069 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2021-10-28 22:47:15,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 22:47:15,074 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2021-10-28 22:47:15,075 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 22:47:15,077 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2021-10-28 22:47:15,077 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 22:47:15,079 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 22:47:15,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2021-10-28 22:47:15,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:47:15,080 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2021-10-28 22:47:15,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2021-10-28 22:47:15,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2021-10-28 22:47:15,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.263157894736842) internal successors, (48), 37 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:15,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2021-10-28 22:47:15,086 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-10-28 22:47:15,086 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-10-28 22:47:15,086 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 22:47:15,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 48 transitions. [2021-10-28 22:47:15,087 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 22:47:15,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:15,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:15,092 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1, 1] [2021-10-28 22:47:15,092 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 22:47:15,092 INFO L791 eck$LassoCheckResult]: Stem: 615#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 599#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 600#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 622#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 623#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 620#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 621#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 627#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 626#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 625#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 624#L90-3 assume !(main_~i~1 < 8); 610#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 611#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 605#L63-4 [2021-10-28 22:47:15,092 INFO L793 eck$LassoCheckResult]: Loop: 605#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 590#L66 assume !parse_expression_list_#t~switch7; 591#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 606#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 607#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 605#L63-4 [2021-10-28 22:47:15,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:15,092 INFO L85 PathProgramCache]: Analyzing trace with hash 82232674, now seen corresponding path program 4 times [2021-10-28 22:47:15,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:15,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679305868] [2021-10-28 22:47:15,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:15,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:15,177 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:15,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:47:15,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679305868] [2021-10-28 22:47:15,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679305868] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:47:15,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364916901] [2021-10-28 22:47:15,179 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-28 22:47:15,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:47:15,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:15,181 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:47:15,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-28 22:47:15,252 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-28 22:47:15,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 22:47:15,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 22:47:15,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:15,307 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:15,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364916901] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:47:15,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:47:15,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-10-28 22:47:15,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921289159] [2021-10-28 22:47:15,309 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:47:15,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:15,309 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 5 times [2021-10-28 22:47:15,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:15,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257390344] [2021-10-28 22:47:15,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:15,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:15,324 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:15,336 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:15,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:47:15,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 22:47:15,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:47:15,406 INFO L87 Difference]: Start difference. First operand 38 states and 48 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:15,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:47:15,433 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2021-10-28 22:47:15,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 22:47:15,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 51 transitions. [2021-10-28 22:47:15,434 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 22:47:15,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 51 transitions. [2021-10-28 22:47:15,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 22:47:15,438 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 22:47:15,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2021-10-28 22:47:15,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:47:15,441 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 51 transitions. [2021-10-28 22:47:15,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2021-10-28 22:47:15,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2021-10-28 22:47:15,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.25) internal successors, (50), 39 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:15,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2021-10-28 22:47:15,457 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-10-28 22:47:15,457 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-10-28 22:47:15,457 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 22:47:15,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 50 transitions. [2021-10-28 22:47:15,458 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 22:47:15,459 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:15,459 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:15,459 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1] [2021-10-28 22:47:15,460 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 22:47:15,460 INFO L791 eck$LassoCheckResult]: Stem: 741#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 725#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 726#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 748#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 749#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 746#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 747#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 755#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 754#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 753#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 752#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 751#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 750#L90-3 assume !(main_~i~1 < 8); 736#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 737#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 731#L63-4 [2021-10-28 22:47:15,460 INFO L793 eck$LassoCheckResult]: Loop: 731#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 716#L66 assume !parse_expression_list_#t~switch7; 717#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 732#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 733#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 731#L63-4 [2021-10-28 22:47:15,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:15,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1717904288, now seen corresponding path program 5 times [2021-10-28 22:47:15,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:15,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963310310] [2021-10-28 22:47:15,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:15,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:15,534 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:15,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:47:15,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963310310] [2021-10-28 22:47:15,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963310310] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:47:15,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113307487] [2021-10-28 22:47:15,535 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-28 22:47:15,535 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:47:15,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:15,537 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:47:15,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-28 22:47:15,630 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-10-28 22:47:15,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 22:47:15,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 22:47:15,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:15,695 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:15,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113307487] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:47:15,696 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:47:15,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-10-28 22:47:15,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128249562] [2021-10-28 22:47:15,697 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:47:15,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:15,698 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 6 times [2021-10-28 22:47:15,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:15,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546812387] [2021-10-28 22:47:15,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:15,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:15,704 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:15,714 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:15,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:47:15,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 22:47:15,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-10-28 22:47:15,773 INFO L87 Difference]: Start difference. First operand 40 states and 50 transitions. cyclomatic complexity: 12 Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:15,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:47:15,806 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2021-10-28 22:47:15,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 22:47:15,806 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 53 transitions. [2021-10-28 22:47:15,807 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 22:47:15,809 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 53 transitions. [2021-10-28 22:47:15,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 22:47:15,810 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 22:47:15,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 53 transitions. [2021-10-28 22:47:15,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:47:15,815 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2021-10-28 22:47:15,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 53 transitions. [2021-10-28 22:47:15,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2021-10-28 22:47:15,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 41 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:15,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2021-10-28 22:47:15,823 INFO L704 BuchiCegarLoop]: Abstraction has 42 states and 52 transitions. [2021-10-28 22:47:15,823 INFO L587 BuchiCegarLoop]: Abstraction has 42 states and 52 transitions. [2021-10-28 22:47:15,823 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 22:47:15,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 52 transitions. [2021-10-28 22:47:15,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 22:47:15,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:15,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:15,825 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 6, 1, 1, 1, 1, 1] [2021-10-28 22:47:15,825 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 22:47:15,825 INFO L791 eck$LassoCheckResult]: Stem: 879#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 862#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 863#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 885#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 886#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 883#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 884#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 894#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 893#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 892#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 891#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 890#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 889#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 888#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 887#L90-3 assume !(main_~i~1 < 8); 873#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 874#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 868#L63-4 [2021-10-28 22:47:15,825 INFO L793 eck$LassoCheckResult]: Loop: 868#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 853#L66 assume !parse_expression_list_#t~switch7; 854#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 869#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 870#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 868#L63-4 [2021-10-28 22:47:15,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:15,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1640295006, now seen corresponding path program 6 times [2021-10-28 22:47:15,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:15,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254131195] [2021-10-28 22:47:15,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:15,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:15,929 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:15,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:47:15,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254131195] [2021-10-28 22:47:15,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254131195] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:47:15,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892839961] [2021-10-28 22:47:15,931 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-28 22:47:15,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:47:15,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:15,938 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:47:15,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-28 22:47:16,042 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-10-28 22:47:16,042 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 22:47:16,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 22:47:16,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:16,101 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:16,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892839961] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:47:16,102 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:47:16,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-10-28 22:47:16,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904534644] [2021-10-28 22:47:16,102 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:47:16,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:16,103 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 7 times [2021-10-28 22:47:16,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:16,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36770604] [2021-10-28 22:47:16,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:16,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:16,108 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:16,112 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:16,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:47:16,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 22:47:16,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-10-28 22:47:16,176 INFO L87 Difference]: Start difference. First operand 42 states and 52 transitions. cyclomatic complexity: 12 Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:16,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:47:16,203 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2021-10-28 22:47:16,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:47:16,204 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 55 transitions. [2021-10-28 22:47:16,204 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 22:47:16,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 55 transitions. [2021-10-28 22:47:16,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 22:47:16,205 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 22:47:16,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 55 transitions. [2021-10-28 22:47:16,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:47:16,206 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 55 transitions. [2021-10-28 22:47:16,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 55 transitions. [2021-10-28 22:47:16,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2021-10-28 22:47:16,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 43 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:16,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions. [2021-10-28 22:47:16,209 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 54 transitions. [2021-10-28 22:47:16,209 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 54 transitions. [2021-10-28 22:47:16,209 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 22:47:16,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 54 transitions. [2021-10-28 22:47:16,210 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 22:47:16,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:16,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:16,211 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [7, 7, 1, 1, 1, 1, 1] [2021-10-28 22:47:16,211 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 22:47:16,211 INFO L791 eck$LassoCheckResult]: Stem: 1027#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1010#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 1011#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1033#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1034#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1031#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1032#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1044#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1043#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1042#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1041#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1040#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1039#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1038#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1037#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1036#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1035#L90-3 assume !(main_~i~1 < 8); 1019#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1020#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1016#L63-4 [2021-10-28 22:47:16,211 INFO L793 eck$LassoCheckResult]: Loop: 1016#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1001#L66 assume !parse_expression_list_#t~switch7; 1002#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 1017#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1018#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 1016#L63-4 [2021-10-28 22:47:16,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:16,212 INFO L85 PathProgramCache]: Analyzing trace with hash 72219036, now seen corresponding path program 7 times [2021-10-28 22:47:16,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:16,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154613576] [2021-10-28 22:47:16,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:16,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:16,307 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:16,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:47:16,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154613576] [2021-10-28 22:47:16,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154613576] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:47:16,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147723227] [2021-10-28 22:47:16,309 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-28 22:47:16,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:47:16,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:16,314 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:47:16,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-28 22:47:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:16,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 22:47:16,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:16,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147723227] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:47:16,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:47:16,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-10-28 22:47:16,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337303423] [2021-10-28 22:47:16,472 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:47:16,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:16,473 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 8 times [2021-10-28 22:47:16,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:16,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036758365] [2021-10-28 22:47:16,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:16,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:16,482 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:16,496 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:16,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:47:16,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 22:47:16,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-10-28 22:47:16,561 INFO L87 Difference]: Start difference. First operand 44 states and 54 transitions. cyclomatic complexity: 12 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:16,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:47:16,590 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2021-10-28 22:47:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 22:47:16,593 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 56 transitions. [2021-10-28 22:47:16,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 22:47:16,594 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 56 transitions. [2021-10-28 22:47:16,594 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 22:47:16,594 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 22:47:16,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 56 transitions. [2021-10-28 22:47:16,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:47:16,595 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-10-28 22:47:16,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 56 transitions. [2021-10-28 22:47:16,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-10-28 22:47:16,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 45 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:16,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2021-10-28 22:47:16,598 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-10-28 22:47:16,598 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-10-28 22:47:16,598 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 22:47:16,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 56 transitions. [2021-10-28 22:47:16,599 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 22:47:16,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:16,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:16,600 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1] [2021-10-28 22:47:16,600 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 22:47:16,600 INFO L791 eck$LassoCheckResult]: Stem: 1184#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1168#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 1169#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1191#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1192#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1189#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1190#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1204#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1203#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1202#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1201#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1200#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1199#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1198#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1197#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1196#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1195#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1194#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1193#L90-3 assume !(main_~i~1 < 8); 1179#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1180#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1174#L63-4 [2021-10-28 22:47:16,601 INFO L793 eck$LassoCheckResult]: Loop: 1174#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1159#L66 assume !parse_expression_list_#t~switch7; 1160#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 1175#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1176#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 1174#L63-4 [2021-10-28 22:47:16,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:16,601 INFO L85 PathProgramCache]: Analyzing trace with hash 684732762, now seen corresponding path program 8 times [2021-10-28 22:47:16,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:16,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848710614] [2021-10-28 22:47:16,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:16,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:16,618 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:16,638 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:16,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:16,639 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 9 times [2021-10-28 22:47:16,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:16,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269840057] [2021-10-28 22:47:16,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:16,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:16,643 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:16,648 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:16,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:16,649 INFO L85 PathProgramCache]: Analyzing trace with hash 299059334, now seen corresponding path program 1 times [2021-10-28 22:47:16,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:16,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855099482] [2021-10-28 22:47:16,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:16,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:16,672 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:16,697 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:23,672 WARN L207 SmtUtils]: Spent 6.91 s on a formula simplification. DAG size of input: 224 DAG size of output: 172 [2021-10-28 22:47:24,779 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:47:24,780 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:47:24,780 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:47:24,780 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:47:24,780 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:47:24,780 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:24,780 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:47:24,780 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:47:24,780 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration10_Lasso [2021-10-28 22:47:24,780 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:47:24,780 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:47:24,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:24,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:25,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:25,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:25,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:25,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:25,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:25,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:25,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:25,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:25,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:25,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:25,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:25,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:25,700 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:47:25,700 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:47:25,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:25,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:25,710 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:25,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:25,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:25,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:25,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:25,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:25,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:25,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:25,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:25,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 22:47:25,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:25,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:25,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:25,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:25,759 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:25,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 22:47:25,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:25,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:25,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:25,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:25,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:25,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:25,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:25,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:25,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:25,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-10-28 22:47:25,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:25,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:25,813 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:25,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 22:47:25,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:25,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:25,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:25,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:25,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:25,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:25,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:25,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:25,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:25,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:25,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:25,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:25,864 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:25,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 22:47:25,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:25,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:25,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:25,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:25,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:25,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:25,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:25,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:25,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:25,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:25,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:25,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:25,909 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:25,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 22:47:25,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:25,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:25,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:25,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:25,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:25,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:25,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:25,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:25,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:25,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:25,941 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:25,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:25,942 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:25,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:25,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 22:47:25,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:25,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:25,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:25,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:25,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:25,962 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:25,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:26,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,014 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:26,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:26,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:26,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 22:47:26,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:26,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,094 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 22:47:26,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:26,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:26,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:26,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:26,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,132 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 22:47:26,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:26,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:26,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:26,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:26,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,165 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 22:47:26,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:26,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:26,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:26,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,237 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:26,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:26,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:26,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 22:47:26,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:26,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,311 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:26,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:26,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 22:47:26,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:26,361 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,362 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 22:47:26,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:26,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:26,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:26,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:26,396 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,397 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 22:47:26,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:26,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:26,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-28 22:47:26,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,444 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 22:47:26,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:26,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:26,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:26,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-28 22:47:26,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,475 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 22:47:26,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:26,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:26,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:26,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-28 22:47:26,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,506 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 22:47:26,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:26,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:26,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:26,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:26,537 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,538 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 22:47:26,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:26,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:26,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:26,589 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,589 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 22:47:26,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:26,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:26,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:26,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:26,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,634 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 22:47:26,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:26,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:26,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:26,691 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,693 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 22:47:26,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,703 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:26,703 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:26,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-28 22:47:26,727 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,728 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 22:47:26,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:26,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:26,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:26,770 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,771 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 22:47:26,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:26,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:26,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:26,804 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,805 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 22:47:26,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,819 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:26,819 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:26,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:26,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,911 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 22:47:26,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:26,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:26,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-28 22:47:26,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,949 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 22:47:26,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:26,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:26,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:26,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:26,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:26,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:26,984 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:26,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 22:47:26,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:26,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:26,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:26,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:26,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:26,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:26,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:27,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:27,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:27,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:27,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:27,024 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:27,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 22:47:27,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:27,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:27,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:27,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:27,033 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 22:47:27,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:27,034 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 22:47:27,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:27,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:27,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:27,059 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:27,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:27,059 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:27,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 22:47:27,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:27,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:27,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:27,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:27,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:27,071 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:27,071 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:27,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:27,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-28 22:47:27,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:27,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:27,098 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:27,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 22:47:27,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:27,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:27,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:27,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:27,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:27,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:27,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:27,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:27,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:27,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:27,132 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:27,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:27,132 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:27,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 22:47:27,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:27,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:27,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:27,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:27,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:27,143 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:27,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:27,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:27,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:27,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:27,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:27,215 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:27,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:27,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:27,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:27,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:27,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:27,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 22:47:27,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:27,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:27,261 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:47:27,297 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-28 22:47:27,297 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-28 22:47:27,297 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:27,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:27,302 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:27,306 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:47:27,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 22:47:27,338 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 22:47:27,338 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:47:27,338 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0.base)_2, ULTIMATE.start_parse_expression_list_~i~0) = 1*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_2 - 1*ULTIMATE.start_parse_expression_list_~i~0 Supporting invariants [1*ULTIMATE.start_parse_expression_list_~str.offset >= 0] [2021-10-28 22:47:27,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:27,428 INFO L297 tatePredicateManager]: 15 out of 17 supporting invariants were superfluous and have been removed [2021-10-28 22:47:27,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:27,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 22:47:27,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:27,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 22:47:27,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:27,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:27,780 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 22:47:27,780 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 56 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:27,854 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 56 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 73 states and 92 transitions. Complement of second has 6 states. [2021-10-28 22:47:27,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 22:47:27,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:27,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 42 transitions. [2021-10-28 22:47:27,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 21 letters. Loop has 5 letters. [2021-10-28 22:47:27,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:47:27,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 26 letters. Loop has 5 letters. [2021-10-28 22:47:27,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:47:27,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 21 letters. Loop has 10 letters. [2021-10-28 22:47:27,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:47:27,858 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 92 transitions. [2021-10-28 22:47:27,859 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 22:47:27,859 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 59 states and 75 transitions. [2021-10-28 22:47:27,859 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-28 22:47:27,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-28 22:47:27,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 75 transitions. [2021-10-28 22:47:27,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:47:27,860 INFO L681 BuchiCegarLoop]: Abstraction has 59 states and 75 transitions. [2021-10-28 22:47:27,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 75 transitions. [2021-10-28 22:47:27,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2021-10-28 22:47:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.2758620689655173) internal successors, (74), 57 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2021-10-28 22:47:27,863 INFO L704 BuchiCegarLoop]: Abstraction has 58 states and 74 transitions. [2021-10-28 22:47:27,863 INFO L587 BuchiCegarLoop]: Abstraction has 58 states and 74 transitions. [2021-10-28 22:47:27,863 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-28 22:47:27,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states and 74 transitions. [2021-10-28 22:47:27,864 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 22:47:27,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:27,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:27,865 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:47:27,865 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:47:27,865 INFO L791 eck$LassoCheckResult]: Stem: 1493#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1469#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 1470#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1498#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1499#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1500#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1513#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1512#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1511#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1510#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1509#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1508#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1507#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1506#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1505#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1504#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1503#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1502#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1501#L90-3 assume !(main_~i~1 < 8); 1483#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1484#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1477#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1456#L66 assume parse_expression_list_#t~switch7; 1459#L67-5 [2021-10-28 22:47:27,865 INFO L793 eck$LassoCheckResult]: Loop: 1459#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 1467#L67-1 assume parse_expression_list_#t~short10; 1485#L67-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 1459#L67-5 [2021-10-28 22:47:27,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:27,866 INFO L85 PathProgramCache]: Analyzing trace with hash 898188797, now seen corresponding path program 1 times [2021-10-28 22:47:27,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:27,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179748522] [2021-10-28 22:47:27,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:27,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:27,885 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:27,912 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:27,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:27,913 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 1 times [2021-10-28 22:47:27,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:27,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473181265] [2021-10-28 22:47:27,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:27,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:27,921 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:27,924 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:27,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:27,925 INFO L85 PathProgramCache]: Analyzing trace with hash 296230220, now seen corresponding path program 1 times [2021-10-28 22:47:27,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:27,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939980666] [2021-10-28 22:47:27,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:27,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:28,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:28,091 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-28 22:47:28,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:47:28,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939980666] [2021-10-28 22:47:28,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939980666] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:47:28,093 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:47:28,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 22:47:28,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903826450] [2021-10-28 22:47:28,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:47:28,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 22:47:28,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:47:28,141 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. cyclomatic complexity: 20 Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:28,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:47:28,314 INFO L93 Difference]: Finished difference Result 91 states and 118 transitions. [2021-10-28 22:47:28,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 22:47:28,314 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 118 transitions. [2021-10-28 22:47:28,316 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-10-28 22:47:28,317 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 91 states and 118 transitions. [2021-10-28 22:47:28,317 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-10-28 22:47:28,317 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-28 22:47:28,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 118 transitions. [2021-10-28 22:47:28,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:47:28,318 INFO L681 BuchiCegarLoop]: Abstraction has 91 states and 118 transitions. [2021-10-28 22:47:28,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 118 transitions. [2021-10-28 22:47:28,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 65. [2021-10-28 22:47:28,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 64 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:28,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 83 transitions. [2021-10-28 22:47:28,321 INFO L704 BuchiCegarLoop]: Abstraction has 65 states and 83 transitions. [2021-10-28 22:47:28,321 INFO L587 BuchiCegarLoop]: Abstraction has 65 states and 83 transitions. [2021-10-28 22:47:28,321 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-28 22:47:28,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 83 transitions. [2021-10-28 22:47:28,322 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 22:47:28,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:28,322 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:28,323 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:47:28,323 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:47:28,323 INFO L791 eck$LassoCheckResult]: Stem: 1665#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1640#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 1641#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1672#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1673#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1674#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1687#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1686#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1685#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1684#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1683#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1682#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1681#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1680#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1679#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1678#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1677#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1676#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1675#L90-3 assume !(main_~i~1 < 8); 1653#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1654#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1648#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1625#L66 assume !parse_expression_list_#t~switch7; 1626#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 1651#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1652#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 1649#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1650#L66 assume parse_expression_list_#t~switch7; 1636#L67-5 [2021-10-28 22:47:28,323 INFO L793 eck$LassoCheckResult]: Loop: 1636#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 1637#L67-1 assume parse_expression_list_#t~short10; 1689#L67-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 1636#L67-5 [2021-10-28 22:47:28,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:28,324 INFO L85 PathProgramCache]: Analyzing trace with hash -366788055, now seen corresponding path program 1 times [2021-10-28 22:47:28,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:28,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789129455] [2021-10-28 22:47:28,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:28,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:28,347 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:28,379 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:28,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:28,380 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 2 times [2021-10-28 22:47:28,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:28,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508714413] [2021-10-28 22:47:28,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:28,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:28,384 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:28,388 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:28,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:28,389 INFO L85 PathProgramCache]: Analyzing trace with hash -586112608, now seen corresponding path program 1 times [2021-10-28 22:47:28,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:28,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973728694] [2021-10-28 22:47:28,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:28,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:28,412 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:28,458 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:33,797 WARN L207 SmtUtils]: Spent 5.28 s on a formula simplification. DAG size of input: 266 DAG size of output: 195 [2021-10-28 22:47:34,275 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:47:34,275 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:47:34,275 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:47:34,275 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:47:34,275 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:47:34,275 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:34,275 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:47:34,275 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:47:34,275 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration12_Lasso [2021-10-28 22:47:34,275 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:47:34,275 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:47:34,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:34,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:35,008 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:47:35,009 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:47:35,009 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,016 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 22:47:35,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-28 22:47:35,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,050 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 22:47:35,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-28 22:47:35,079 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,080 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 22:47:35,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:35,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:35,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:35,111 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,112 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 22:47:35,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-28 22:47:35,142 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,143 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 22:47:35,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:35,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,174 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 22:47:35,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-28 22:47:35,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,203 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 22:47:35,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:35,270 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,271 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:35,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:35,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 22:47:35,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-28 22:47:35,330 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,331 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 22:47:35,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-28 22:47:35,360 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,361 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 22:47:35,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:35,390 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,390 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 22:47:35,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:35,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:35,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:35,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,424 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 22:47:35,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-28 22:47:35,454 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,455 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 22:47:35,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:35,486 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,488 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 22:47:35,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-28 22:47:35,517 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,518 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-28 22:47:35,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:35,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:35,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-28 22:47:35,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,583 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 22:47:35,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:35,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,613 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 22:47:35,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:35,657 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,658 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 22:47:35,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:35,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:35,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-28 22:47:35,692 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,692 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 22:47:35,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:35,722 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,723 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 22:47:35,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-10-28 22:47:35,752 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,753 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 22:47:35,754 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 [2021-10-28 22:47:35,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:35,795 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,796 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 22:47:35,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-28 22:47:35,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,826 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-28 22:47:35,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-28 22:47:35,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,856 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-28 22:47:35,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-10-28 22:47:35,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,886 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-28 22:47:35,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:35,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:35,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-28 22:47:35,919 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,919 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-28 22:47:35,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:35,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:35,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:35,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-28 22:47:35,951 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,952 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-28 22:47:35,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:35,961 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:35,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:35,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-28 22:47:35,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:35,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:35,985 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:35,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-28 22:47:35,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:35,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:35,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:35,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:35,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:35,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:35,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:35,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:36,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-28 22:47:36,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:36,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:36,017 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:36,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-28 22:47:36,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:36,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:36,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:36,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:36,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:36,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:36,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:36,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:36,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:36,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:36,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:36,049 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:36,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-28 22:47:36,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:36,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:36,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:36,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:36,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:36,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:36,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:36,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:36,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-28 22:47:36,082 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:36,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:36,083 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:36,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-28 22:47:36,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:36,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:36,098 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 22:47:36,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:36,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:36,100 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-28 22:47:36,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:36,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:36,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-28 22:47:36,142 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:36,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:36,143 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:36,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-28 22:47:36,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:36,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:36,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:36,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:36,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:36,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:36,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:36,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:36,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:36,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:36,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:36,176 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:36,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-28 22:47:36,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:36,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:36,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:36,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:36,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:36,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:36,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:36,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:36,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-28 22:47:36,208 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:36,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:36,209 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:36,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-28 22:47:36,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:36,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:36,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:36,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:36,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:36,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:36,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:36,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:36,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:36,251 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:36,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:36,252 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:36,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-28 22:47:36,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:36,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:36,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:36,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:36,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:36,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:36,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:36,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:36,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:36,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:36,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:36,297 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:36,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-28 22:47:36,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:36,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:36,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:36,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:36,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:36,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:36,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:36,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:36,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:36,330 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:36,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:36,330 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:36,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-28 22:47:36,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:36,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:36,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:36,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:36,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:36,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:36,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:36,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:36,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:36,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-10-28 22:47:36,361 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:36,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:36,362 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:36,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-28 22:47:36,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:36,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:36,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:36,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:36,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:36,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:36,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:36,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:36,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:36,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-10-28 22:47:36,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:36,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:36,393 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:36,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-28 22:47:36,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:36,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:36,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:36,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:36,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:36,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:36,403 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:36,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:36,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:36,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:36,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:36,436 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:36,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-28 22:47:36,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:36,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:36,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:36,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:36,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:36,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:36,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:36,473 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:47:36,503 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-10-28 22:47:36,504 INFO L444 ModelExtractionUtils]: 7 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-10-28 22:47:36,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:36,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:36,506 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:36,514 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:47:36,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-28 22:47:36,531 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 22:47:36,531 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:47:36,531 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_parse_expression_list_~str.base)_2, ULTIMATE.start_parse_expression_list_~start~0) = 1*v_rep(select #length ULTIMATE.start_parse_expression_list_~str.base)_2 - 1*ULTIMATE.start_parse_expression_list_~start~0 Supporting invariants [1*ULTIMATE.start_parse_expression_list_~str.offset >= 0] [2021-10-28 22:47:36,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-10-28 22:47:36,602 INFO L297 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2021-10-28 22:47:36,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:36,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 22:47:36,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:36,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 22:47:36,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:36,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:36,926 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 22:47:36,926 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 83 transitions. cyclomatic complexity: 22 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:37,100 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 83 transitions. cyclomatic complexity: 22. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 176 states and 237 transitions. Complement of second has 9 states. [2021-10-28 22:47:37,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 22:47:37,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:37,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 59 transitions. [2021-10-28 22:47:37,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 28 letters. Loop has 3 letters. [2021-10-28 22:47:37,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:47:37,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 31 letters. Loop has 3 letters. [2021-10-28 22:47:37,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:47:37,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 28 letters. Loop has 6 letters. [2021-10-28 22:47:37,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:47:37,104 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 176 states and 237 transitions. [2021-10-28 22:47:37,105 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2021-10-28 22:47:37,108 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 176 states to 136 states and 181 transitions. [2021-10-28 22:47:37,108 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2021-10-28 22:47:37,108 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-10-28 22:47:37,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 181 transitions. [2021-10-28 22:47:37,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:47:37,108 INFO L681 BuchiCegarLoop]: Abstraction has 136 states and 181 transitions. [2021-10-28 22:47:37,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 181 transitions. [2021-10-28 22:47:37,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 91. [2021-10-28 22:47:37,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 90 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:37,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 122 transitions. [2021-10-28 22:47:37,113 INFO L704 BuchiCegarLoop]: Abstraction has 91 states and 122 transitions. [2021-10-28 22:47:37,113 INFO L587 BuchiCegarLoop]: Abstraction has 91 states and 122 transitions. [2021-10-28 22:47:37,114 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-28 22:47:37,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 122 transitions. [2021-10-28 22:47:37,114 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 22:47:37,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:37,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:37,116 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:47:37,116 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:47:37,116 INFO L791 eck$LassoCheckResult]: Stem: 2125#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 2099#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 2100#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2133#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2134#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2135#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2150#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2149#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2148#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2147#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2146#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2145#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2144#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2143#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2142#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2141#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2140#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2139#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2138#L90-3 assume !(main_~i~1 < 8); 2114#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2115#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2107#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2108#L66 assume parse_expression_list_#t~switch7; 2093#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2094#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2164#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2152#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2162#L68 assume 34 == parse_expression_list_#t~mem12;havoc parse_expression_list_#t~mem12;parse_expression_list_#t~post13 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post13;havoc parse_expression_list_#t~post13; 2101#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2089#L70-8 [2021-10-28 22:47:37,116 INFO L793 eck$LassoCheckResult]: Loop: 2089#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2105#L70-1 assume !parse_expression_list_#t~short17; 2088#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 2089#L70-8 [2021-10-28 22:47:37,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:37,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1161474036, now seen corresponding path program 1 times [2021-10-28 22:47:37,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:37,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283471880] [2021-10-28 22:47:37,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:37,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:37,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-10-28 22:47:37,304 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-28 22:47:37,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:47:37,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283471880] [2021-10-28 22:47:37,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283471880] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:47:37,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:47:37,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-28 22:47:37,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228774878] [2021-10-28 22:47:37,306 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:47:37,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:37,306 INFO L85 PathProgramCache]: Analyzing trace with hash 89761, now seen corresponding path program 1 times [2021-10-28 22:47:37,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:37,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019033560] [2021-10-28 22:47:37,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:37,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:37,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:37,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:47:37,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019033560] [2021-10-28 22:47:37,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019033560] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:47:37,320 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:47:37,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:47:37,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679130255] [2021-10-28 22:47:37,321 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 22:47:37,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:47:37,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:47:37,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:47:37,322 INFO L87 Difference]: Start difference. First operand 91 states and 122 transitions. cyclomatic complexity: 38 Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:37,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:47:37,330 INFO L93 Difference]: Finished difference Result 93 states and 123 transitions. [2021-10-28 22:47:37,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:47:37,331 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 123 transitions. [2021-10-28 22:47:37,332 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 22:47:37,333 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 92 states and 122 transitions. [2021-10-28 22:47:37,333 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-10-28 22:47:37,333 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-28 22:47:37,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 122 transitions. [2021-10-28 22:47:37,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:47:37,334 INFO L681 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-10-28 22:47:37,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 122 transitions. [2021-10-28 22:47:37,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-10-28 22:47:37,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 92 states have (on average 1.326086956521739) internal successors, (122), 91 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:37,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 122 transitions. [2021-10-28 22:47:37,343 INFO L704 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-10-28 22:47:37,343 INFO L587 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-10-28 22:47:37,343 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-28 22:47:37,343 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 122 transitions. [2021-10-28 22:47:37,344 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 22:47:37,344 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:37,344 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:37,347 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:47:37,347 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 22:47:37,348 INFO L791 eck$LassoCheckResult]: Stem: 2317#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 2292#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 2293#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2327#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2328#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2330#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2361#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2359#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2356#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2354#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2350#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2348#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2343#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2339#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2335#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2334#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2333#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2332#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2331#L90-3 assume !(main_~i~1 < 8); 2306#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2307#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2301#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2278#L66 assume parse_expression_list_#t~switch7; 2281#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2288#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2346#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2340#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2336#L68 assume 34 == parse_expression_list_#t~mem12;havoc parse_expression_list_#t~mem12;parse_expression_list_#t~post13 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post13;havoc parse_expression_list_#t~post13; 2294#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2285#L70-8 [2021-10-28 22:47:37,348 INFO L793 eck$LassoCheckResult]: Loop: 2285#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2299#L70-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 2325#L70-2 assume parse_expression_list_#t~short16; 2314#L70-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 2284#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 2285#L70-8 [2021-10-28 22:47:37,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:37,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1161474036, now seen corresponding path program 2 times [2021-10-28 22:47:37,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:37,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466915681] [2021-10-28 22:47:37,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:37,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:37,530 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-28 22:47:37,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:47:37,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466915681] [2021-10-28 22:47:37,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466915681] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:47:37,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:47:37,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-28 22:47:37,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099892366] [2021-10-28 22:47:37,532 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:47:37,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:37,532 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 1 times [2021-10-28 22:47:37,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:37,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553144314] [2021-10-28 22:47:37,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:37,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:37,536 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:37,539 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:37,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:47:37,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 22:47:37,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:47:37,612 INFO L87 Difference]: Start difference. First operand 92 states and 122 transitions. cyclomatic complexity: 37 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:37,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:47:37,780 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2021-10-28 22:47:37,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 22:47:37,781 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 159 transitions. [2021-10-28 22:47:37,783 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-10-28 22:47:37,784 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 117 states and 151 transitions. [2021-10-28 22:47:37,784 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-10-28 22:47:37,784 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2021-10-28 22:47:37,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 117 states and 151 transitions. [2021-10-28 22:47:37,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:47:37,784 INFO L681 BuchiCegarLoop]: Abstraction has 117 states and 151 transitions. [2021-10-28 22:47:37,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states and 151 transitions. [2021-10-28 22:47:37,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 88. [2021-10-28 22:47:37,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 88 states have (on average 1.3181818181818181) internal successors, (116), 87 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:37,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 116 transitions. [2021-10-28 22:47:37,787 INFO L704 BuchiCegarLoop]: Abstraction has 88 states and 116 transitions. [2021-10-28 22:47:37,787 INFO L587 BuchiCegarLoop]: Abstraction has 88 states and 116 transitions. [2021-10-28 22:47:37,787 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-28 22:47:37,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 116 transitions. [2021-10-28 22:47:37,788 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 22:47:37,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:37,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:37,788 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:47:37,788 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 22:47:37,789 INFO L791 eck$LassoCheckResult]: Stem: 2551#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 2526#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 2527#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2558#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2559#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2561#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2575#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2574#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2573#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2572#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2571#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2570#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2569#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2568#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2567#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2566#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2565#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2564#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2563#L90-3 assume !(main_~i~1 < 8); 2540#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2541#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2535#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2514#L66 assume parse_expression_list_#t~switch7; 2517#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2524#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2544#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2545#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2552#L68 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 2528#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2521#L70-8 [2021-10-28 22:47:37,789 INFO L793 eck$LassoCheckResult]: Loop: 2521#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2533#L70-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 2556#L70-2 assume parse_expression_list_#t~short16; 2548#L70-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 2520#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 2521#L70-8 [2021-10-28 22:47:37,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:37,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1161473974, now seen corresponding path program 1 times [2021-10-28 22:47:37,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:37,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385645213] [2021-10-28 22:47:37,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:37,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:37,816 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:37,837 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:37,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:37,837 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 2 times [2021-10-28 22:47:37,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:37,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799498154] [2021-10-28 22:47:37,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:37,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:37,842 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:37,847 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:37,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:37,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1035891741, now seen corresponding path program 1 times [2021-10-28 22:47:37,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:37,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609679876] [2021-10-28 22:47:37,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:37,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:37,917 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-28 22:47:37,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:47:37,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609679876] [2021-10-28 22:47:37,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609679876] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:47:37,918 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:47:37,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 22:47:37,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245942732] [2021-10-28 22:47:37,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:47:37,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 22:47:37,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 22:47:37,993 INFO L87 Difference]: Start difference. First operand 88 states and 116 transitions. cyclomatic complexity: 35 Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:38,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:47:38,073 INFO L93 Difference]: Finished difference Result 135 states and 172 transitions. [2021-10-28 22:47:38,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 22:47:38,074 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 135 states and 172 transitions. [2021-10-28 22:47:38,075 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-10-28 22:47:38,076 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 135 states to 127 states and 164 transitions. [2021-10-28 22:47:38,076 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 22:47:38,076 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 22:47:38,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 164 transitions. [2021-10-28 22:47:38,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:47:38,077 INFO L681 BuchiCegarLoop]: Abstraction has 127 states and 164 transitions. [2021-10-28 22:47:38,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 164 transitions. [2021-10-28 22:47:38,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 92. [2021-10-28 22:47:38,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 92 states have (on average 1.2934782608695652) internal successors, (119), 91 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:38,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2021-10-28 22:47:38,079 INFO L704 BuchiCegarLoop]: Abstraction has 92 states and 119 transitions. [2021-10-28 22:47:38,079 INFO L587 BuchiCegarLoop]: Abstraction has 92 states and 119 transitions. [2021-10-28 22:47:38,080 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-28 22:47:38,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 119 transitions. [2021-10-28 22:47:38,080 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 22:47:38,080 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:38,080 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:38,081 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:47:38,081 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 22:47:38,082 INFO L791 eck$LassoCheckResult]: Stem: 2792#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 2766#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 2767#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2803#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2804#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2805#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2820#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2819#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2818#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2817#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2816#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2815#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2814#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2813#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2812#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2811#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2810#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2807#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2806#L90-3 assume !(main_~i~1 < 8); 2780#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2781#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2775#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2776#L66 assume !parse_expression_list_#t~switch7; 2834#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 2845#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 2844#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 2836#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2833#L66 assume parse_expression_list_#t~switch7; 2829#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2826#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2823#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2822#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2821#L68 assume 34 == parse_expression_list_#t~mem12;havoc parse_expression_list_#t~mem12;parse_expression_list_#t~post13 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post13;havoc parse_expression_list_#t~post13; 2768#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2761#L70-8 [2021-10-28 22:47:38,084 INFO L793 eck$LassoCheckResult]: Loop: 2761#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2773#L70-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 2801#L70-2 assume parse_expression_list_#t~short16; 2789#L70-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 2760#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 2761#L70-8 [2021-10-28 22:47:38,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:38,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1836811464, now seen corresponding path program 1 times [2021-10-28 22:47:38,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:38,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057079738] [2021-10-28 22:47:38,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:38,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:38,106 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:38,135 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:38,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:38,136 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 3 times [2021-10-28 22:47:38,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:38,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150517403] [2021-10-28 22:47:38,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:38,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:38,141 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:38,147 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:38,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:38,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1492455953, now seen corresponding path program 1 times [2021-10-28 22:47:38,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:38,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645154895] [2021-10-28 22:47:38,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:38,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:38,226 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-28 22:47:38,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:47:38,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645154895] [2021-10-28 22:47:38,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645154895] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:47:38,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619421940] [2021-10-28 22:47:38,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:38,227 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:47:38,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:38,230 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:47:38,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Waiting until timeout for monitored process [2021-10-28 22:47:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:38,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 22:47:38,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:38,502 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-28 22:47:38,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619421940] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:47:38,502 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:47:38,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-10-28 22:47:38,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538690182] [2021-10-28 22:47:38,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:47:38,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 22:47:38,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:47:38,578 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. cyclomatic complexity: 34 Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:38,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:47:38,689 INFO L93 Difference]: Finished difference Result 182 states and 239 transitions. [2021-10-28 22:47:38,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:47:38,689 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 182 states and 239 transitions. [2021-10-28 22:47:38,691 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-28 22:47:38,693 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 182 states to 167 states and 217 transitions. [2021-10-28 22:47:38,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-10-28 22:47:38,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-10-28 22:47:38,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 167 states and 217 transitions. [2021-10-28 22:47:38,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:47:38,693 INFO L681 BuchiCegarLoop]: Abstraction has 167 states and 217 transitions. [2021-10-28 22:47:38,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states and 217 transitions. [2021-10-28 22:47:38,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 132. [2021-10-28 22:47:38,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 132 states have (on average 1.303030303030303) internal successors, (172), 131 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:38,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 172 transitions. [2021-10-28 22:47:38,697 INFO L704 BuchiCegarLoop]: Abstraction has 132 states and 172 transitions. [2021-10-28 22:47:38,697 INFO L587 BuchiCegarLoop]: Abstraction has 132 states and 172 transitions. [2021-10-28 22:47:38,697 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-10-28 22:47:38,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states and 172 transitions. [2021-10-28 22:47:38,699 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-10-28 22:47:38,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:38,699 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:38,700 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:47:38,700 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 22:47:38,700 INFO L791 eck$LassoCheckResult]: Stem: 3204#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 3177#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 3178#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3211#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3212#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3213#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3229#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3228#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3227#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3226#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3225#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3224#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3223#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3222#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3221#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3220#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3219#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3215#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3214#L90-3 assume !(main_~i~1 < 8); 3193#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 3194#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 3186#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3187#L66 assume !parse_expression_list_#t~switch7; 3267#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 3266#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 3265#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 3264#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3262#L66 assume !parse_expression_list_#t~switch7; 3252#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 3259#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 3256#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 3253#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3251#L66 assume parse_expression_list_#t~switch7; 3249#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 3250#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 3268#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 3201#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 3202#L68 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 3179#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 3171#L70-8 [2021-10-28 22:47:38,700 INFO L793 eck$LassoCheckResult]: Loop: 3171#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 3184#L70-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 3208#L70-2 assume parse_expression_list_#t~short16; 3195#L70-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 3170#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 3171#L70-8 [2021-10-28 22:47:38,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:38,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1704815562, now seen corresponding path program 1 times [2021-10-28 22:47:38,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:38,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947876101] [2021-10-28 22:47:38,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:38,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:38,718 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:38,743 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:38,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:38,744 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 4 times [2021-10-28 22:47:38,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:38,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12759704] [2021-10-28 22:47:38,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:38,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:38,753 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:38,756 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:38,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:38,756 INFO L85 PathProgramCache]: Analyzing trace with hash -2027190115, now seen corresponding path program 1 times [2021-10-28 22:47:38,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:38,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025588520] [2021-10-28 22:47:38,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:38,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:38,788 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:38,815 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:47,642 WARN L207 SmtUtils]: Spent 8.74 s on a formula simplification. DAG size of input: 319 DAG size of output: 231 [2021-10-28 22:47:48,728 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:47:48,728 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:47:48,728 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:47:48,728 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:47:48,728 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:47:48,728 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:48,728 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:47:48,728 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:47:48,728 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration17_Lasso [2021-10-28 22:47:48,728 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:47:48,728 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:47:48,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:48,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:48,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:48,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:48,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:48,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:48,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:48,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:48,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:48,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:48,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:48,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:48,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:48,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:48,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:48,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:48,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:49,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:49,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:49,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:49,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:49,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:49,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:49,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:49,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:49,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:49,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:49,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:49,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:47:49,885 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:47:49,885 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:47:49,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:49,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:49,901 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:49,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:49,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:49,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:49,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:49,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:49,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:49,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:49,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:49,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-28 22:47:49,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:49,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:49,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:49,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:49,949 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:49,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:49,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:49,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:49,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:49,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:49,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:49,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:49,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:49,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-28 22:47:49,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:50,007 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,007 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:50,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:50,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:50,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-28 22:47:50,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-10-28 22:47:50,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,051 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-28 22:47:50,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:50,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:50,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-10-28 22:47:50,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,084 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-28 22:47:50,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:50,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:50,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-10-28 22:47:50,116 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,116 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-28 22:47:50,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:50,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:50,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:50,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:50,146 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,146 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-28 22:47:50,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:50,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:50,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:50,196 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,197 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-28 22:47:50,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:50,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:50,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:50,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:50,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,230 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-28 22:47:50,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:50,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:50,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:50,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-10-28 22:47:50,259 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,260 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-28 22:47:50,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:50,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:50,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:50,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-10-28 22:47:50,290 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,291 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-28 22:47:50,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:50,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:50,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:50,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-10-28 22:47:50,362 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,363 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:50,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:50,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:50,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-28 22:47:50,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-10-28 22:47:50,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,426 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-28 22:47:50,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:50,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:50,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:50,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:50,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,456 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-28 22:47:50,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:50,466 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:50,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:50,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,488 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-28 22:47:50,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,498 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:50,498 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:50,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-10-28 22:47:50,521 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,522 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-28 22:47:50,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:50,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:50,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:50,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:50,551 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,552 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-28 22:47:50,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:50,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:50,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-10-28 22:47:50,593 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,594 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-28 22:47:50,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:50,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:50,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-10-28 22:47:50,650 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,651 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-28 22:47:50,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:47:50,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:47:50,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:47:50,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:50,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,681 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-28 22:47:50,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:50,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:50,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-10-28 22:47:50,715 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,716 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-28 22:47:50,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:50,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:50,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:50,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,763 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-28 22:47:50,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:50,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:50,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:50,794 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,795 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-28 22:47:50,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:50,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:50,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-10-28 22:47:50,832 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,833 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-28 22:47:50,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:50,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:50,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:50,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,867 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-28 22:47:50,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:50,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:50,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:47:50,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-10-28 22:47:50,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,902 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-28 22:47:50,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:47:50,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:47:50,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:47:50,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:47:50,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:47:50,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:47:50,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:47:50,928 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:47:50,945 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-28 22:47:50,945 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-10-28 22:47:50,945 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:47:50,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:50,946 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:47:50,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-28 22:47:50,947 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:47:50,954 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:47:50,955 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:47:50,955 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_parse_expression_list_~j~0) = 1*ULTIMATE.start_parse_expression_list_~j~0 Supporting invariants [] [2021-10-28 22:47:50,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:51,047 INFO L297 tatePredicateManager]: 30 out of 30 supporting invariants were superfluous and have been removed [2021-10-28 22:47:51,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:51,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:51,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:47:51,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:51,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 22:47:51,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:51,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:47:51,316 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 22:47:51,317 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 132 states and 172 transitions. cyclomatic complexity: 50 Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:51,415 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 132 states and 172 transitions. cyclomatic complexity: 50. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 292 states and 386 transitions. Complement of second has 11 states. [2021-10-28 22:47:51,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-10-28 22:47:51,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:51,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 82 transitions. [2021-10-28 22:47:51,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 82 transitions. Stem has 39 letters. Loop has 5 letters. [2021-10-28 22:47:51,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:47:51,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 82 transitions. Stem has 44 letters. Loop has 5 letters. [2021-10-28 22:47:51,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:47:51,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 82 transitions. Stem has 39 letters. Loop has 10 letters. [2021-10-28 22:47:51,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:47:51,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 292 states and 386 transitions. [2021-10-28 22:47:51,421 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 17 [2021-10-28 22:47:51,423 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 292 states to 192 states and 251 transitions. [2021-10-28 22:47:51,423 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-10-28 22:47:51,423 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2021-10-28 22:47:51,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 192 states and 251 transitions. [2021-10-28 22:47:51,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:47:51,424 INFO L681 BuchiCegarLoop]: Abstraction has 192 states and 251 transitions. [2021-10-28 22:47:51,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states and 251 transitions. [2021-10-28 22:47:51,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 138. [2021-10-28 22:47:51,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.2971014492753623) internal successors, (179), 137 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:51,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 179 transitions. [2021-10-28 22:47:51,428 INFO L704 BuchiCegarLoop]: Abstraction has 138 states and 179 transitions. [2021-10-28 22:47:51,428 INFO L587 BuchiCegarLoop]: Abstraction has 138 states and 179 transitions. [2021-10-28 22:47:51,428 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-10-28 22:47:51,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 179 transitions. [2021-10-28 22:47:51,429 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-10-28 22:47:51,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:51,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:51,430 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:47:51,431 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:47:51,431 INFO L791 eck$LassoCheckResult]: Stem: 3912#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 3884#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 3885#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3921#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3922#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3923#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3936#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3935#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3934#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3933#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3932#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3931#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3930#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3929#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3928#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3927#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3926#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3925#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3924#L90-3 assume !(main_~i~1 < 8); 3900#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 3901#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 3893#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3894#L66 assume parse_expression_list_#t~switch7; 3990#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 3998#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 3997#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 3996#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 3995#L68 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 3994#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 3993#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 3992#L70-1 assume !parse_expression_list_#t~short17; 3991#L70-6 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17; 3989#L70-9 parse_expression_list_#t~short20 := 0 < parse_expression_list_~j~0; 3987#L71 assume !parse_expression_list_#t~short20; 3985#L71-2 assume !parse_expression_list_#t~short20;havoc parse_expression_list_#t~mem19;havoc parse_expression_list_#t~short20; 3983#L71-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0; 3981#L73 assume !(1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) >= 2);r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset, r_strncpy_#in~src.base, r_strncpy_#in~src.offset, r_strncpy_#in~n := parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset, parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0);havoc r_strncpy_#res.base, r_strncpy_#res.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset, r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n;r_strncpy_~dest.base, r_strncpy_~dest.offset := r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset;r_strncpy_~src.base, r_strncpy_~src.offset := r_strncpy_#in~src.base, r_strncpy_#in~src.offset;r_strncpy_~n := r_strncpy_#in~n;call r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset := strncpy(r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n);r_strncpy_#res.base, r_strncpy_#res.offset := r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset; 3978#L42 parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset;__VERIFIER_assert_#in~cond := (if 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 3977#L15 assume !(0 == __VERIFIER_assert_~cond); 3975#L15-2 call write~int(0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset + (1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0)), 1); 3973#L72 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 3971#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 3968#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 3966#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 3962#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3958#L66 assume parse_expression_list_#t~switch7; 3903#L67-5 [2021-10-28 22:47:51,431 INFO L793 eck$LassoCheckResult]: Loop: 3903#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 3945#L67-1 assume parse_expression_list_#t~short10; 3902#L67-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 3903#L67-5 [2021-10-28 22:47:51,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:51,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1896680144, now seen corresponding path program 1 times [2021-10-28 22:47:51,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:51,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830657761] [2021-10-28 22:47:51,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:51,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:51,489 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-28 22:47:51,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:47:51,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830657761] [2021-10-28 22:47:51,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830657761] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:47:51,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:47:51,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 22:47:51,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688131412] [2021-10-28 22:47:51,491 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:47:51,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:51,491 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 3 times [2021-10-28 22:47:51,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:51,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841105712] [2021-10-28 22:47:51,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:51,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:51,496 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:51,498 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:51,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:47:51,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:47:51,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:47:51,549 INFO L87 Difference]: Start difference. First operand 138 states and 179 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:51,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:47:51,619 INFO L93 Difference]: Finished difference Result 140 states and 182 transitions. [2021-10-28 22:47:51,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 22:47:51,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 182 transitions. [2021-10-28 22:47:51,621 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 22:47:51,622 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 127 states and 167 transitions. [2021-10-28 22:47:51,622 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-28 22:47:51,622 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-28 22:47:51,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 167 transitions. [2021-10-28 22:47:51,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:47:51,623 INFO L681 BuchiCegarLoop]: Abstraction has 127 states and 167 transitions. [2021-10-28 22:47:51,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 167 transitions. [2021-10-28 22:47:51,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 107. [2021-10-28 22:47:51,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 107 states have (on average 1.2990654205607477) internal successors, (139), 106 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 139 transitions. [2021-10-28 22:47:51,626 INFO L704 BuchiCegarLoop]: Abstraction has 107 states and 139 transitions. [2021-10-28 22:47:51,626 INFO L587 BuchiCegarLoop]: Abstraction has 107 states and 139 transitions. [2021-10-28 22:47:51,626 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-10-28 22:47:51,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 139 transitions. [2021-10-28 22:47:51,627 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 22:47:51,627 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:47:51,627 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:47:51,628 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:47:51,628 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:47:51,628 INFO L791 eck$LassoCheckResult]: Stem: 4202#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 4175#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 4176#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4210#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4211#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4213#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4249#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4247#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4245#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4243#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4236#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4235#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4234#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4233#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4232#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4230#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4228#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4225#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4224#L90-3 assume !(main_~i~1 < 8); 4191#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 4192#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 4184#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 4162#L66 assume !parse_expression_list_#t~switch7; 4163#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 4187#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 4188#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 4268#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 4267#L66 assume parse_expression_list_#t~switch7; 4263#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 4262#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 4260#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 4258#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 4256#L68 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 4178#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 4179#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 4183#L70-1 assume !parse_expression_list_#t~short17; 4209#L70-6 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17; 4220#L70-9 parse_expression_list_#t~short20 := 0 < parse_expression_list_~j~0; 4218#L71 assume !parse_expression_list_#t~short20; 4217#L71-2 assume !parse_expression_list_#t~short20;havoc parse_expression_list_#t~mem19;havoc parse_expression_list_#t~short20; 4189#L71-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0; 4190#L73 assume !(1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) >= 2);r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset, r_strncpy_#in~src.base, r_strncpy_#in~src.offset, r_strncpy_#in~n := parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset, parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0);havoc r_strncpy_#res.base, r_strncpy_#res.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset, r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n;r_strncpy_~dest.base, r_strncpy_~dest.offset := r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset;r_strncpy_~src.base, r_strncpy_~src.offset := r_strncpy_#in~src.base, r_strncpy_#in~src.offset;r_strncpy_~n := r_strncpy_#in~n;call r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset := strncpy(r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n);r_strncpy_#res.base, r_strncpy_#res.offset := r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset; 4206#L42 parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset;__VERIFIER_assert_#in~cond := (if 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 4204#L15 assume !(0 == __VERIFIER_assert_~cond); 4180#L15-2 call write~int(0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset + (1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0)), 1); 4181#L72 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 4212#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 4241#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 4240#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 4239#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 4237#L66 assume parse_expression_list_#t~switch7; 4170#L67-5 [2021-10-28 22:47:51,628 INFO L793 eck$LassoCheckResult]: Loop: 4170#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 4171#L67-1 assume parse_expression_list_#t~short10; 4193#L67-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 4170#L67-5 [2021-10-28 22:47:51,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:51,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1759377532, now seen corresponding path program 1 times [2021-10-28 22:47:51,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:51,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157910276] [2021-10-28 22:47:51,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:51,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:51,876 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-10-28 22:47:51,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:47:51,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157910276] [2021-10-28 22:47:51,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157910276] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:47:51,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426734406] [2021-10-28 22:47:51,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:51,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:47:51,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:47:51,882 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:47:51,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (119)] Waiting until timeout for monitored process [2021-10-28 22:47:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:47:52,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 22:47:52,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:47:52,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-28 22:47:52,143 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 22:47:52,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-10-28 22:47:52,377 INFO L354 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2021-10-28 22:47:52,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 30 [2021-10-28 22:47:52,522 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-10-28 22:47:52,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 14 [2021-10-28 22:47:52,530 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-28 22:47:52,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426734406] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:47:52,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:47:52,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-10-28 22:47:52,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922284712] [2021-10-28 22:47:52,531 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:47:52,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:47:52,532 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 4 times [2021-10-28 22:47:52,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:47:52,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939897367] [2021-10-28 22:47:52,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:47:52,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:47:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:52,536 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:47:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:47:52,539 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:47:52,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:47:52,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 22:47:52,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-28 22:47:52,586 INFO L87 Difference]: Start difference. First operand 107 states and 139 transitions. cyclomatic complexity: 40 Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:47:52,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:47:52,763 INFO L93 Difference]: Finished difference Result 83 states and 102 transitions. [2021-10-28 22:47:52,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:47:52,763 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 102 transitions. [2021-10-28 22:47:52,764 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:47:52,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 0 states and 0 transitions. [2021-10-28 22:47:52,764 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 22:47:52,764 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 22:47:52,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 22:47:52,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:47:52,764 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:47:52,764 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:47:52,764 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:47:52,764 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-10-28 22:47:52,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:47:52,765 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:47:52,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 22:47:52,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:47:52 BoogieIcfgContainer [2021-10-28 22:47:52,772 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 22:47:52,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:47:52,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:47:52,773 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:47:52,773 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:47:11" (3/4) ... [2021-10-28 22:47:52,776 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:47:52,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:47:52,777 INFO L168 Benchmark]: Toolchain (without parser) took 42084.29 ms. Allocated memory was 83.9 MB in the beginning and 146.8 MB in the end (delta: 62.9 MB). Free memory was 59.8 MB in the beginning and 45.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 76.9 MB. Max. memory is 16.1 GB. [2021-10-28 22:47:52,778 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 59.3 MB in the beginning and 59.3 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:47:52,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.07 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 59.6 MB in the beginning and 73.6 MB in the end (delta: -14.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:47:52,779 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.22 ms. Allocated memory is still 100.7 MB. Free memory was 73.5 MB in the beginning and 71.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:47:52,780 INFO L168 Benchmark]: Boogie Preprocessor took 41.72 ms. Allocated memory is still 100.7 MB. Free memory was 71.7 MB in the beginning and 70.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:47:52,780 INFO L168 Benchmark]: RCFGBuilder took 498.16 ms. Allocated memory is still 100.7 MB. Free memory was 70.1 MB in the beginning and 56.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 22:47:52,781 INFO L168 Benchmark]: BuchiAutomizer took 41169.06 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 56.5 MB in the beginning and 45.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 57.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:47:52,781 INFO L168 Benchmark]: Witness Printer took 3.80 ms. Allocated memory is still 146.8 MB. Free memory is still 45.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:47:52,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 59.3 MB in the beginning and 59.3 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 318.07 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 59.6 MB in the beginning and 73.6 MB in the end (delta: -14.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.22 ms. Allocated memory is still 100.7 MB. Free memory was 73.5 MB in the beginning and 71.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.72 ms. Allocated memory is still 100.7 MB. Free memory was 71.7 MB in the beginning and 70.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 498.16 ms. Allocated memory is still 100.7 MB. Free memory was 70.1 MB in the beginning and 56.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 41169.06 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 56.5 MB in the beginning and 45.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 57.5 MB. Max. memory is 16.1 GB. * Witness Printer took 3.80 ms. Allocated memory is still 146.8 MB. Free memory is still 45.8 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 19 terminating modules (15 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 15 * unknown-#length-unknown[A] + -2 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[A] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[str] + -1 * start and consists of 6 locations. One deterministic module has affine ranking function j and consists of 6 locations. 15 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 41.0s and 20 iterations. TraceHistogramMax:8. Analysis of lassos took 38.1s. Construction of modules took 0.6s. Büchi inclusion checks took 1.8s. Highest rank in rank-based complementation 3. Minimization of det autom 10. Minimization of nondet autom 9. Automata minimization 0.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 252 StatesRemovedByMinimization, 15 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 17. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 685 SDtfs, 816 SDslu, 1473 SDs, 0 SdLazy, 792 SolverSat, 95 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU11 SILI1 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital248 mio100 ax100 hnf99 lsp93 ukn53 mio100 lsp38 div100 bol100 ite100 ukn100 eq184 hnf90 smp100 dnf156 smp82 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 2 VariablesLoop: 1 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 22:47:52,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (119)] Ended with exit code 0 [2021-10-28 22:47:53,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Ended with exit code 0 [2021-10-28 22:47:53,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-10-28 22:47:53,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:53,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:53,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:54,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-10-28 22:47:54,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:54,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-28 22:47:54,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21a52df-1776-4be2-9409-307e37e6625c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...